ANNUALREPORT
2013-2014

For the year ended March 31, 2014

Railway Technical Research InstituteForeword
Norimichi KUMAGAI
President
The Railway Technical Research Institute(RTRI) is working intensively on developmental
subjects associated with maintaining safe andsecure transportation, utilizing energy effectively,
and high levels of simulation, which are based on
three directional axes; research work targeted on
the railway systems of the future, development ofpractically technology requested by a lot of railway
business operators including JR companies, andother basic R&D such as solving practical issues
currently affecting the field and human factor
analysis. We were able to make steady progresson 279 research subjects in the fiscal year of 2013in accordance with our original annual plan. In
addition, while completing the fourth year of the“RESEARCH 2010” (5-year medium and long term
master plan), we achieved a series of successful
outputs in advanced studies affecting railways inthe future, such as how to predict liquefied soil
deformation in consideration of the impact ofaftershocks, vertical vibration-suppressing systemfor bolster-less bogies with air suspension andsafety assessment of vehicle collision. Furthermore,
despite stricken economic circumstances, we werecommissioned with over 530 requests in the formof contractual business. In the area of international
standards, we hosted ISO/TC 269 Plenary Meetingin Japan, and at the same time, shifted the Railway
International Standards Center to the Chiyoda
Office. Still in the field of international activities,
we promoted a technical seminar by enhancing
cooperative research work with overseas research
institutions.
The East Japan Earthquake has marked not
only everyday life and society in Japan it has also
created huge challenges which railways today as
businesses must face. While keeping the reality ofdecreasing birthrates and an aging population at
the forefront of our minds our railway transportation1

system must maintain high levels of safety andsecurity without accidents, as well as address theever pressing need to be more robust, energy
efficient and capable of withstanding large-scale
earthquakes and heavy rainfall disasters. Given
this new era, we are thinking of finding new
solutions to different problems by clarifying therole to be played by RTRI to meet the expectationsof railway operators or society by flying a banner
entitled “What do we perform for railways whichkeeps developing?” The world of R&D is inconstant motion, as such it is our duty to ensurethat our posture towards tackling R&D issues is
rapid, innovative and advanced – which are a
prerequisite to being “dynamic”. Furthermore, we
pledge to remain “fair and neutral” in our role asagency working in the public interest. Moreover,
our goal is to “lead railway technology in the world”
and enhance this endeavor by making full use ofcooperative opportunities with overseas researchorganizations.
In order to push these plans forward, we will set
still higher targets to bolster our “reliability”, providing
you with “high quality” research and development
results, fully showing the comprehensive force of
RTRI.
Our actions will be guided by the desire
to provide our clients, using our outputs or
consulting services, with high-quality solutions
in response to their needs. Everyone at RTRI
including administrative staff, will do their utmost
to draw the maximum from the pool of ability andexpertise within RTRI (human resources, test
facilities, cumulative data, and knowhow) with aview to fulfilling our commitment to ensure that our
R&D output benefits railway business. Finally, we
would like to say that we are always open to yourguidance and suggestions about our work, which
form part and parcel of our path forwards.

Annual Report 2013-2014

Overview

Contents
2 Overview
and Long Term Master Plan
6 Medium– RESEARCH 2010 –Results of Research and
10 Major
Development

32 Outline of Activities
36

International Activities

42 Facilities
43 Appendix

Board Members
Position

Name

Chairman

Eisuke MASADA

President

Norimichi KUMAGAI

Vice President

Atsushi ICHIKAWA

Vice President

Kiyoshi SAWAI

Executive Director

Hideyuki TAKAI

Executive Director

Fuminao OKUMURA

Executive Director

Akira YONEZAWA

Executive Director

Makoto TOYOTA

Executive Director

Takashi SAWAMOTO

Executive Director

Yutaka OSADA

Executive Director

Fumio TANAKA

Executive Director

Tsuguhiro NISHIMAKI

Executive Director

Toshihiko AOYAGIExecutive Director

Toji HAYASE

Executive Director

Yoshihiro SUDA

Executive Director

Mami AOKIExecutive Director

Kazuaki KANASUGIAuditor

Mitsutoshi INAMI

AuditorHidenori FUJII

AuditorYataro KIGUCHI(As of June 12, 2014)2

Annual Report 2013-2014

Vice
Presidents

ChairmanPlanning Division

Vehicle Structure
Technology Division

Compliance Division

Vehicle Control
Technology Division

President
Structures
Technology Division
Executive
Directors

Trustees
Name
Osamu SHIMADA

Administration Division
Miyazaki Test
Center

Accounting Division

Track
Technology Division

Information
Management Division

Disaster Prevention
Technology Division

Health Insurance
Systems Center

Tetsuro TOMITA
Tsugio SEKIJI
Koei TSUGE
Tsutomu MORIMURA
Seiji MANABE
Akiyoshi YAMAMOTO
Masafumi IZUMIKoji KARAIKEInternational Affairs
Division
Research &Development
Promotion Division
Wind Tunnel
Technical Center

Shuji TAMURA
Sadao IWATA
Jun SAWADA

Marketing & Business
Development Division

Hisashi UMEZAKI
Gentaro YOSHINO
Masao MUKAIDONOPower Supply
Technology Division

Signalling &Transport Information
Technology Division
Materials
Technology Division

Railway Dynamics
Division

Environmental
Engineering Division

Railway Technology
Promotion Center

Human Science
Division

Railway International
Standards Center

Maglev Systems
Technology Division

Hiroki ISHIKAWA
Toshio KOBAYASHI
Masahiro KAKUMU
Kazuaki FUJII
Shinya SAKAI

Yamanashi
Maglev
Test Center(As of June 12, 2014)

Center for Railway
Earthquake Engineering
Research(As of April 1, 2014)3

Annual Report 2013-2014

Overview

Income and Expenditure

R & D projects
7.92

Repayment of debt
from Development
Bank of Japan
3.91

IncomeTotal
18.44
billion yen
Contribution from
JR companies
13.52

Human Resources
Number of employees

526

Number of PhD Degree holders

168

Number of On-Going Projects
Numbers of Themes

Expenditure
Total
18.36
billion yen

Other projects
1.4

Contract-based projects
2.54

Objectives and Mainstays of
R&D in Activities

Developmentof practical technologies

Contract-based
projects
2.91

Miscellaneous
2.57

R&D for the future of railways

Miscellaneous
1.35

Basic researches for railways

Government
subsidies
0.65

R&D for the future railways

45

R&D for practical technologies

119

Basic research for railways

115

Improvement of safety

279

Harmony with the environment

Total

Cost reducon
Improvement of convenience

4

Annual Report 2013-2014

Relationship with Organizations in the Research Fields

R&D for the Future of Railways
Sustainability andDevelopment ofRailway Networks
Improvement ofof
convenience

Safety and Reliabilityof Railway System
IImprovementof safety

Construction ofRailway Simulators

Innovation of
Maintenance
Cost reduction

5

High-efficiency
Energy Utilization
Harmony withthe environment

Annual Report 2013-2014

Medium and Long Term
Master Plan – RESEARCH 2010 –The master plan, RESEARCH 2010 was
produced to describe research and development
required for five years beginning in FY 2010 toeffectively push ahead with activities to fulfill ourcommitment within various circles as a research
institute capable of integrating many railway
technologies. The plan is directed towards
the sustainable development of railways,
while considering progress in research anddevelopment in the past and changes in thecircumstances surrounding the railway industry
that have occurred in recent years.

1

Evaluation and measuresof car inside-comfort– RESEA

Vertical camper
Body-end yaw damper

Tilting damper

Axle damper

Lateral damper● Techniques to improve vibration ride comfort● Techniques to reduce noise inside cars
● Techniques to evaluate comfort inside cars

Smoothing movement at traffic nodes

Sustaina
Develop
Railway N

 Basic Policies and Objectives
In preparing this plan, we adopted basic
policies on its content in view of the circumstances
surrounding RTRI and railways in Japan as a whole.
Regarding the management environment of JR
companies, changes in their financial contribution
and other movements outside the organization, we
set the term of the plan at five years from FY 2010 to2014, to account for the fact that it will take a certain
length of time to carry through the “research anddevelopment for the future of railways” as referred
to later, though it is difficult to correctly predict thetrend in long-term future needs.
For RTRI having responsibility to society asa public-interest corporation, it is importantto effectively perform its commitment to JRcompanies and other stakeholders throughpublicly disseminating research results to support
railway business in the future. To this end, we shallmake efforts to freshen up the targets of researchand development set in the past, such as the
improvement of safety and reliability, developmentof solutions to environmental problems on a
global scale, achievement of harmony with thewayside environment, decrease system costs

6● Techniques topreventive me● Noise/ground● Smoothing the movement at and around stations● Diversified techniques to evaluate train operation● Techniques to evaluate freight traffic
Establishment/evaluationof an environment for seamless movement

InnovaMainteNew technology to monitor andmaintain equipment conditions● Technologies tomonitor/maintain equipment
conditions● Basic technologies tomonitor equipment conditions
Proposal ofequipment condition
monitoring systems

Innovation of the structure renewal technologies
Floor plate
Reinforcing anchor

Taco

Deteriorated bridge
Technologies to renew deteriorated
bridges on revenue service lines
Renewal technologies for bridges, viaducts as well as
underground and ground level stations

Annual Report 2013-2014

Improvement of safety against
derailment/collision

RCH2010 – Future-Oriented Challenges(Fiscal Years 2010 – 2014)
Evaluation/measures
to preserve waysideenvironment for highspeed operation
Simulation to predictground vibrations

Safety and reliability withintelligent trains

Slope disaster
Derailment-proof truck

Safety against meteorological disasters

Crossing

On board
car sensing

Safety of workers on the track
valuate aerodynamic noise/suresbration preventive materials

bility andment ofetworks

Construction of advanced,
independent train safety control
systems

Safety and Reliabilityof Railway System

Construction ofRailway Simulatorstion ofnance

High-efficiency
Energy Utilization

Analysis of car bodydeformation behavior● Simulation of local
meteorologicalconditions● Techniques toevaluate hazards● Technologies ofdisaster/hazard
mapping

Hazard map

Real-time hazard mapping

Safety against earthquakes● System to predictlarge-scale earthquakes● Evaluation of thesafety of rolling stockrunning during
earthquakes● Earthquake-proof
technologies/measures

Image of the predictionof earthquake movements

Reduction of car energy consumption

Design/developmentof a railway simulator core system

Rotor of induction motorCore WindingResinձ Car, track and train-set models
ղ Simulation of phenomena between
structure and wheel
ճ Prototype virtual railway test trackմ Integrated air flow and aerodynamic
noise simulator
յ Contact wire/pantograph simulator

Nano-technology
metallic material

Conductor

New structure

Low loss Rotator

Lightweight cars made of new materials
High-efficiency car components
Decreases in car aerodynamic resistance
Simulator to evaluate energy consumption

Virtual railway test track

New power supply system

Pantographbulence aroundructure of
mplicated profile

Track model
Car model
Analysis of three-dimensional
dynamic interaction
Truck

7

Position of fault

Superconducting cable● Application of superconducting
technologies● Use of semiconducting elementsof low loss
● Utilization of natural energy
Simulator of power consumption in train operation
Evaluation of train operation diagrams reflecting
the constraint in power supply

Annual Report 2013-2014

Medium and Long Term Master Plan - RESEARCH 2010 -and the pursuit of comfort and convenience ofpassengers. As a new research challenge, we shallalso aim at improving our simulation technology
and try to expand our core competencies. We
shall also review the organization for researchand development needs and capabilities at all
times to respond to the changes in the internaland external circumstances and make efforts toenhance the efficiency of our activities based on
financial situations.
As development needs in the future are quite
uncertain in different countries, we will review thisplan regularly to take into account changes insocial and economic conditions in the world.
As a guideline for carrying out research anddevelopment aimed at achieving safe and assured,
highly reliable railways, with low environmental
impacts and featuring low-costs and high-level
convenience for customers, we set forth thefollowing as the basic objectives of RTRI activities.
(1) Creation of new technologies aimed atsustainable development of railways(2) Quick and correct response to meet customer
needs(3) Timely transmission and dissemination ofresearch results(4) Continued pursuit of railway technologies andaccumulation of basic technological knowledge(5) Effective use of this knowledge within thecommunity of railway engineers2

 Project Activities

2.1

Research and Development(1) Promotion of Research and Development(a) Targets of research and development
Amid the increasingly severe surroundings,
we set the following four items as the “targets ofresearch and development,” in consideration of theserious accidents/disasters and difficult economic
circumstances in recent years, based principallyon the targets of research and development in thepast.
We further aim at achieving:• Increased level of safety• Harmony with the environment• Low-cost railways• Improved convenience for customers(b) Poles of research and development
Recognizing that we have limited resources, toeffectively carry out research and development,
we set the following three items as the “cornerstones of research and development,” with efforts
concentrated in particular on the enhancement of
the simulation technology for all the three:8• Research and development for the future ofrailways• Development of practical technologies• Basic research for railways(2) Research and Development for the Futureof Railways
In the field of research and development for the
future of railways, we undertake basic research tobetter understand phenomena and to constructtools from which a “game-changing” breakthroughis expected for research and development. We
also carry out research oriented to technologicaldevelopment having a far-reaching effect after
commercialization.
(3) Development of Practical Technologies
We are pushing ahead with the development ofpractical technologies in the following areas:• Technological development specified by the seven
JR companies (six under-taking passenger transport
services and one devoted to freight transport)• Contract-based research and development• Development of practical technologies performed
based on our own initiatives

Annual Report 2013-2014

(4) Basic Research for Railways
The basic research for railways leads to practicaltechnologies, which are essential to solve various
railway-related problems, and leads to further work
which we might define as “analytical research
projects“ and “those to explore further research.”(5) Others(a) Dissemination of information
We collect, store and disseminate information
on railway technologies in Japan and abroad andpresent the results of these research/development
activities in a timely manner.
(b) International activities
We participate in various international
conferences, make efforts to continue to exchange
information on railway technologies with overseas
researchers, and send staff abroad to survey thestatus of the railways and technologies in foreigncountries. We also push ahead with joint research
projects, exchange researchers, strengthen the9cooperative relations with overseas universities
and research institutes and enrich the informationtransmitted to other countries.
(c) Railway Technology Promotion Center
Having a bird’s eye view over the railway industry
as a whole, the Railway Technology Promotion
Center assesses the technological needs common
to all its member railway companies and solve theirproblems so that they can correctly respond to the
expectation of society.
(d) Railway International Standards Center
The Railway International Standards Center
integrates the discussions on wide-ranging
international standards on railways, thereby
contributing to railway companies as a whole,while positioning the discussions on the strategy
of international standardization, reviews ofinternational standards and dissemination of theinformation received.

Annual Report 2013-2014

Major Results of
Research and Development
In the year 2013 and 2014, we pushed ahead with research and development projects on 279
themes and completed 93 projects. Major results of the research and development are shown
below.

IMPROVEMENT OF SAFETY Simplified method for evaluating vehicle motion effect onseismic response of railway structure• Numerical analyses evaluated amplification effects
and damping effects induced by vehicle motion on theseismic response of structures.
• A simplified method for estimating the seismic responseof structures in consideration of the effect of vehicle
motion was proposed.

Small impact due tovehicle motion

Large impact due to vehicle
motionHeavy concrete
bridgeLight weight open
deck steel bridge

X Dynamic interaction between structures andrailway vehicles during earthquake

Opposite phase
movements cause
damping effectSame phase movements cause amplification effect

X 0HFKDQLVPE\ZKLFKYHKLFOHPRWLRQLQÀXHQFHVWUXFWXUHV

Equivalent inertial force= kv × Vehicle weight

Seismic coefficienttaken into accountfor seismic design

Scope of application of
conventional method

0.7
120
1.0

0.5
0.3

100
80

Se
co ismef ic
fic yiie eld
nt

kv

0.9

60

2

40

3

4

5

20

6
0
7
Structure
85
10 0.2weight - vehicle weight rastructuretio (light- heavy
weight)0.6

Equivalent weight method (dynamic analysis)

Vehicle weight ratio
taken into accountfor seismic design

Equivalentweight ratio

Equivalent weight ratio

Equivalent inertial force method (static analysis)

1

Seismic yieldcoefficient (low)Seismic yieldcoefficient (high)
0

0.5
1
2
Equivalent natural period

X Seismic design method taking into account vehicle motion

10

Annual Report 2013-2014

 Simple evaluation method off the waveform
waveform att thethe surface
surfaceusing micro-tremor• A simple evaluation method of the waveform at the surface was proposed by using the micro-tremor
data and database of site effect of the deep ground in Japan.
• It is possible to estimate ground motion along railway lines, simply by using micro-tremor data.
Waveform at the surface ＝ site effect of deep ground × site effect of surface layer
45°

Single degree of freedom
method for the soil dynamic
analysis
Surface

35°

0
135°

500
145°

140°

0

0

-1000
30

Deep ground
km

30°
130°

Acceleration(gal)

Engineering bedrock(Vs=400m/s)

Multiple degree of
freedom method

1000

Displacement(cm)

Subsurface layer

40°

Seismic bedrock(Vs=3000m/s)

Correction coefficient of deep ground

-30
0

5

10
15
Time (s)20

X Simple evaluation method of the waveform at the surface

Re-liquefaction
potential

30

15

Low

Magnitude ofaftershocks(M)
0
4.0

4.5

5.0

5.5

6.0

X Re-liquefaction potential under aftershocks (with amain shock magnitude of 7)

11

Aftershock

0

-100

Main shock+aftershock

0.2

Main shock alone
0.4

aftershock alone

0.6

0.2m

1

High
45

Main shock

0.8
Excess pore waterpressure ratio

Interval before aftershocks(minutes)

60

100

0
Ground surface
settlement (m)• A method was developed to predict the
deformation of liquefiable ground taking into
account the influence of aftershocks.
• In case of a massive earthquake and aftershock
clusters, this method makes it possible to evaluate
the potential of re-liquefaction depending on
the degree of liquefaction during the main
shock, intervals between the main shock andaftershocks and the magnitude of aftershocks.

Input acceleration(gal) Method for predicting the deformation of liquefiable groundconsidering the influence of aftershocks

0.8

Main shock+aftershock

0.6

aftershock alone

0.40Minor re-liquefaction

Major re-liquefaction

0.2
0

20

40
Time (minutes)

60

X Analysis taking into account aftershocks

Annual Report 2013-2014

80

Major Results of Research and Development

 Work method to increase seismic resistance of masonrywalls combining landslide prevention netting and rock mass
reinforcement materials• A new method was developed to improve the seismic resistance of masonry walls based on a combinationof landslide prevention nets and rock mass reinforcement material.
• Trials on a shaking test bench with doubled landslide acceleration demonstrated that the developed
method is an effective means to increase seismic resistance.
• A design manual was produced to accompany this work method.

Joint-injections oradditional reinforcement
where required

Vibration: sine wave 5Hz 10 waves
Without preventive measureWith preventive measure (combined net +rock mass reinforcement material)

Compression
platesRock mass reinforcement
material(ensuring safety of backfill)

X Work method to increase seismic resistance of masonrywalls combining landslide prevention netting and rockmass reinforcement materials

Horizontal displacement of wall surface(mm)Landslide prevention net(preventing falling objects)

Horizontal displacementof wall surface
Initial state
60
40
20

Point at which wallcollapses withnext vibration

After testing thepreventive measurewith a vibration of 780
gal

00
200 400 600 800
Acceleration of shaking table(gal)

X Relationship between horizontal displacement of wall andacceleration of shaking table Clarification of mechanisms underlying seismic activity
induced weakening of embankment resistance to rainfall• The relationship was clarified between the scaleof alteration in the state of embankments due toseismic activity and their resistance to rain fall.
• It is now possible to quantitatively assess the rain
resistance of a real embankment using analyticalmodeling.

Point for measuring verticaldisplacement of the top of
the slope

X Picture of model embankment

12

Annual Report 2013-2014

Major Results of Research and Development Method for evaluating the safety of mountain tunnel linings• A method has been proposed
for assessing the safety
against compressive bending
crack-induced spalling ofdifferent types of mountaintunnel lining materials.
• A safet y assessment
handbook was compiled for
mountain tunnel linings.

4%
Over
2.0

Short fibre
reinforced
concrete

Steel reinforced
concrete

0%

1.4

1.2

į
Bricks

2.2
2%

Plain
concrete

4%

Plain
concrete

Horizontal deformation
ratio when compressive
bending crack-induced
VSDOOLQJRFFXUV įG

d : Tunnel widthį : Horizontal convergenced

Dual track Shinkansen line Single conventional track line
(With invert)(Without invert)

X Example of evaluation using numerical analysis

Horizontal deformation ratio į/d

X Horizontal deformation ratio

CracksCracksOccurrence of spalling

Load (kN)

150
Analysis

100

0

0

1
2
3
Horizontal deformation ratio (%)

Compressive
bending crack-induced
spalling

Compressive bending
crack-induced spalling

Experiment

50

4Analysis

Experimental result

X Reproduction through numerical analysis

State ofsoundness inrelation tocompressive
bending
crack-induced
spalling
State of soundness
A
State of soundness
B
State of soundness
C,S+RUL]RQWDOGHIRUPDWLRQUDWLRįG 
Without invert

With invert

2YHU

2YHU

0.5 〜 0.25 〜 8QGHU8QGHU※ In case of tunnels deformed by plastic earth pressure insoft rock mass
※ In case of tunnels made by conventional construction
method with void above the lining

Cumulative precipitation
volume for each new slope
deformation(mm)

350
300
250
200
150
0

0

5
10
15
Slope-top displacement after vibration (mm)X Slope top displacement after vibration and cumulative
precipitation volume when slope-top deformation occurs
during rain fall

13

Height of embankment(mm)

Increments in porewater pressure (kPa)X Example of safety evaluation

15
10
5
0
1000

Location of cracks induced by vibration

800
600
400
200
0

0 200 400 600 800 1000 1200 1400
Depth of embankment (mm)

X Increment distribution of pore water pressure inside
the model embankment

Annual Report 2013-2014

Major Results of Research and Development

 High-resistance ground fault detection system for DC feeding
circuit using protective wire and PW devices• In the case of DC feeder circuits faults
sometimes occur in high-resistanceground circuits through the insulators andother support components. A system wasthus developed to immediately detect such
faults using a protective wire (PW) and PW
devices.
• The effectiveness of the system wasvalidated on a revenue line with tests wherefaults were manually induced.

Supporting structure
Insulator
Ground fault

Conduction

Overheadcontact line
PW device

Traction Substation
DC high speed
circuit breaker
Traction
Shut-off rectifiercommandProtective wire
Resistor forprotective wire

Overvoltage
relay forprotective wire

Return wireRail

X Schematic diagram of the developed high-resistanceground fault detection system

Supporting
structure side

Diode
Zinc-oxide
varistor

Protective wire side

X Structure of PW device

 Proposal for wind speed in tunnel to be used in the designand evaluation of overhead contact line facilities

Vertical direction
Behavior of overhead
Orthogonal
direction
Orthogonal contact line
direction
Parallel to
track line
Wind in the tunnel
when train passes
through tunnel

Aerodynamic upward
force of pantographTrain direction

X :LQGÀRZDQGFRQWDFWZLUHEHKDYLRULQWKHWXQQHO

14Wind speed (m/s)

40

Absence of oncoming train
Presence of oncoming train

30
20
10
0
150

200
250
Train velocity (km/h)

300

X Wind speed parallel to track line

Annual Report 2013-2014

Major Results of Research and Development

 Hearing investigation technique to analyze the backgroundfactors of an accident• We developed hearing investigation technique to collect data about the background factors of an
accident.
• As a result of having tried this technique, we confirmed that we could collect more the data about thebackground factors.

Hearing investigation
Investigator

Record keeper

Subject (the person
concerned of theinvestigation scene)

Investigation
reportX A scene of the hearing investigation
The mean of the quantity of testimony (Thenumber of letters which a subject spoke)
0200

Results fromconventional
interview method

400

Additional investigation decrease

600

Result of investigation
Quantity of whole of thetestimony increases
Quantity of testimony
about the backgroundfactor increases
Impression afterinvestigation
The feeling that I heard
properly

MeasureResponse tofactors leading to
the eventOver twice
the volume

Results after
applying newtechnique

Cooperative

Investigator

Hearing Remembrance ofthe memory / Freenarrative
The person
concerned ofOpen questions /theinvestigation
Question fromscene (Subject)various viewpoints

X Characteristic of new technique

X Quantity of testimony about the background factor• The wind speed which should be taken into account for the design of overhead contact lines and forforecasting current collection performance was clarified by using measured contact line behavior, windspeed and wind direction when trains pass through tunnels.
• Estimation of the pantograph upward force using the proposed wind speed, allows accurate forecastof current collection performance.

Wind
direction

Oncoming
train

Ratio ofwind speed
to trainvelocityTrainvelocity :300 km/h

Parallel to
track line

Absence

0.3

25m/s

Presence

0.5

42m/s

Ratio ofTrainwind speed velocity :to train
300 km/h
velocityWind
direction

Oncoming
train

Orthogonal
direction

Absence

0.08

7m/s

Presence

0.12

10m/s

X Wind speed to be considered for overhead contact line facilities

15

Annual Report 2013-2014

Major Results of Research and Development

HARMONY WITH THE ENVIRONMENT Operating trains using superconducting cable• A prototype DC superconducting cable for railway system was built and tested on the RTRI test line.
• Current, voltage resistance, and cooling tests were performed, demonstrating that the superconducting
cable system was applicable to train operations.

1.5

Overheadcontact line

RectifierCurrent
terminal

Current
terminal

Superconducting
cable

Cooling system

Refrigerant(subcoolingliquid nitrogen)Insulationg layer

FormerRefrigerant (subcooling liquid
nitrogen)
Positive
conductor

Core protection layer

Voltage/Distance (μV/cm)

Rail

6960A
1

Superconducting
state
0.5

0
0

Negative
conductor

2000

Refrigerant(subcooling liquid nitrogen)

X Superconducting cable system for railway

4000
Current (A)

6000

8000

X Results from current tests

 Development of a hybridized battery and AC dual source
conventional line train• We have developed a high capacity/high voltage battery system requiring no additional charge/discharge
converters.
• Various properties were verified such as ability to suppress battery temperature to around 50°C, prevent
contact wire over-heating during quick charge, and one charge running distance was approximately 30
km fed by a 83-kWh battery when no A/C operates.
Proposal (1) Traction circuit structure requiringno additional charge/discharge converters

AC 20,000V

Driving motor car

Traction battery box

X Outside view of battery-powered dual source EMU (test train)

16

Existing
series-817
traction circuit

Tractiontransformer

Driving trailer

PWM
rectifierTractioninverterTraction motor
No additionalcharge/discharge converters

Proposal (2) Compact
protective circuit

Auxiliary
power
supplySwitchFilterTraction battery(83kWh)Additional on-board battery system

X &RQ¿JXUDWLRQRIWKHWUDFWLRQFLUFXLWAnnual Report 2013-2014

Major Results of Research and Development

 Development of an experimental method using a wind tunnel
to evaluate underbody aerodynamic noise

Field tests Wind tunnel tests
Field tests(head car)(head car)(middle car)
Wind tunnel tests(middle car)

0.8

0.6
㻌
Vehicle model

0.4

Structure for adjustment

0.2

Vehicle model

0.0

0
500
1000
1500
Position in sleeper direction (track center is 0) (mm)

125
250
500
1k
1/3 octave band central frequency (Hz)X Comparison of measured and estimated underbody
aerodynamic noise(point close to rail at 320 km/h)

KeisenStation500

Battery current
95%

100
50
0

0
Battery SOC

20%

-500
Quick
charge

Speed

-1000
Time

10 Minutes

8 Minutes

X An example of running test results fed by the on-board battery

17

2k

Annual Report 2013-2014

Current(A)State of charge(%)
Speed(km/h)

Rolling noise+vehicle apparatus noise

30.4kmNakamaStationEstimated value

Aerodynamic noisearound bogie

63

X 6KLQNDQVHQXQGHUERG\ÀRZYHORFLW\SUR¿OH ÀRZ
velocity elements in the rail direction looking from thetrain)

150

Measured value

10dB

1.0

A-weighting sound pressure level (dB)

Dimensionless conversion of flow velocity• A method was developed to reproduce in a wind tunnel the flow velocity profile of the underbody of areal Shinkansen train.
• The developed method makes it possible to quantifiably evaluate aerodynamic noise from the bogie area.

Major Results of Research and Development

 Increasing the accuracy of micro-pressure wave estimationin tunnels with tunnel entrance hood
• By identifying the factors which lead to errors in numerical analysis of a compression wave generated
when a high-speed train enters a tunnel, it is possible to increase the accuracy of tunnel micro-pressure
wave estimations.
• This method makes it possible to predict more accurately the effect of a tunnel entrance hood to mitigate
the micro-pressure wave.

Model of tunnel
entrance hood
Tunnel model

Model train

Field measurement
Numerical analysis (without correction)
Numerical analysis (with correction)

Pressure(kPa)

Pressure(kPa)

X Experiment using actual shape models

Field measurement
Numerical analysis (without
correction of initial waveform)
Numerical analysis (with correctionof initial waveform)
Tunnel exit

Tunnel entrance(initial waveform)
9.7km Propagation

0.2

Time (s)Tunnel exit
(in proportion to
micro-pressure
wave)

Pressure gradient(kPa/s)Pressure gradient(kPa/s)Tunnel entrance(initial waveform)

0.2

Time (s)X Pressure and pressure gradient of compression waveform inside tunnel

18

Annual Report 2013-2014

Major Results of Research and Development Method for estimating magnetic fields on railway vehicles• A method was proposed to calculate magnetic field distribution on railway vehicles in operation.
• This method makes it possible to calculate the magnetic fields in the vicinity of ferromagnetic material,
and verify the efficacy of magnetic shields.

Trolley wire
Railway carbody structure

Magnetic shield

Area of analysis

Rail

Filter reactor

Magnetic shield
Railway carbody
structure
Filter reactor

Magnetic flux density

High

Low

Relative magnetic flux density
at peak measured value

X 0RGHOIRUDQDO\VLVRIPDJQHWLF¿HOGVRQUDLOZD\YHKLFOHV

1
Measuredvalues0.5

Analyticalvalues

0
0

0.5

1

Relative current at rated current

X ([DPSOHRIDQDO\VLVRIPDJQHWLF¿HOGVRQDUDLOZD\YHKLFOHDQGUHVXOWVRIDFRPSDULVRQEHWZHHQDQDO\WLFDOYDOXHVDQG
PHDVXUHGYDOXHV FORVHWR¿OWHUUHDFWRU

19Annual Report 2013-2014

Major Results of Research and Development

COST REDUCTION Development of a rail steel moveable nose crossing for
Shinkansen lines• A thermal processing technique was developed for a rail steel moveable nose crossing on a Shinkansen
line.
• Verification was made to confirm that this method makes it possible to perform ultrasonic inspectionsin the same way as on ordinary sections except for a part.

80S Rail

Moveable rail

Arc welding

Gas pressure
welding

100K
Crane rail

X One-piece cast base plate

X 0RYHDEOHUDLO EHIRUHUHSUR¿OLQJ
of tip)Wing rail

X View of whole crossing• A track-slab fixing equipment was developed
to improve the horizontal resistance force ofexisting track slab.
• A method was proposed to allow installation of
the track slab fixing equipment in a way whichis adapted to the layout conditions of the trackslab in the field.

Track-slab
Semi-circular
stopperTrack-slab fixing
equipment

Cement asphalt mortar

X ([DPSOHRIWUDFNVODE¿[LQJHTXLSPHQW

20Annual Report 2013-2014

Major Results of Research and Development

 Verification of fatigue in wire spring type rail fasteners subject
to plastic deformation• A proposal was made for a fatigue limit diagram which could be applied to spring rail fasteners subject
to plastic deformation.
• By adapting this fatigue limit diagram, it is possible to more appropriately evaluate the performance ofwire spring type rail fasteners.
Elastic limit line
Elastic zone (scopeof traditional
evaluation)
Plastic zone
Mean stress(a) Fatigue limit diagram in elastic
zone (showing stress)

X Example of a wire spring type rail
fastener

Strain amplitude (μ)

Elastic limit line

Fatigue limit line

Plastic zone

Mean strain(b) Proposed fatigue limit
diagram (showing strain)

A limit line of railclamping force reduction

No break at 1 million times
Fracture

The proposed fatigue limit
line is almost identical tothe experimental result

2000

Fatigue tests

Fatigue limit line (100thousand times)

1000

0

Elastic zone

X Proposal for fatigue limit diagram based on strain

4000

3000

Strain amplitude

Elastic limit line

Fatigue limit line

Stress amplitude

Wire spring

0

10000
20000
Mean strain (μ)

Fatigue limit line
(1 million times)
30000

Wire spring

X Comparison of fatigue limit diagram and fatigue test results in the plastic zone

100

Load (kN)

Track-slab fixing
equipment

80

Design target
value 2mm

60

Displacement
Design target value
54.1kN

40

Load

20
High strength fiber
reinforced mortar toadjust height
X 3LFWXUHRIHTXLSPHQWDSSOLHGLQWKH¿HOGWRDQDFWXDO
slab track

21

0
0

1
2
Displacement (mm)X Example of results from horizontal loading tests

Annual Report 2013-20143

Major Results of Research and Development

 Effective management method for rail corrugation• A device was developed to allow continuous
measurement of rail surface irregularity, such as rail
corrugation.
• The developed method offers a system for managing
rail corrugation efficiently; rail surface irregularity andaxle-box acceleration data inter alia are used to identify
rail sections needing rail grinding and maintenancepriorities can be calculated.

X Rail surface irregularity continuous measurement device

Alignment

R=350

Rail corrugation management system
No corrugation on bridge withoutballast floor[mm] -0.5

100m

0.5

Removal of rail surface
irregularity by grinding

Rail surface
irregularity 0(aftergrinding)[mm] -0.5
0.5

Rail surface
irregularity(after 13 0
million tons
passage)

Main operation screen①Specify work folder

0.5Rail surface
irregularity(before 0
grinding)

0.5 Enlarged view
Progression ofrail surface
irregularity

1m②Specify conditional data

Axle-box acceleration data input folder
F:\RCAcVer116\S0③Preparatory calculation

Input location

Selection of method toprocess measured data
Processing withsmoothing index
Speed of rail
surface irregularity
conversion [km/h]

Rail surface irregularity[mm]

Structure

YES
60

0.0

④Processing of collected data
-0.5

[mm]

[mm] -0.5

0.20

Left
Right

0.15
0.10
0.05
0.00

2013/04/25

2013/07/25

Example of displayed result⑤Evaluation of state

Rail joint

X Example of continuous rail surface irregularity
measurement result• We developed a seismic retrofitting methodwith band-shaped steel plates for sections
containing terminations of longitudinalbars of reinforced concrete (RC) piers.
This method can also be used as repair
method for earthquake-damaged sections
containing termination of longitudinal barsof RC piers.
• The effects of this retrofitting method
and construction performance wereconfirmed by loading tests with large scalespecimens.

22

X Rail corrugation management system

X Example of damaged section containing termination of
longitudinal bars in bridge pierAnnual Report 2013-2014

Major Results of Research and Development

 Higher precision concrete structure inspection using image
processing• A crack detection method was developed using different resolution images and controlling noise
influence.
• The developed method makes crack detection possible even to the untrained eye.
• By tracing the crack from its origin it is also possible to estimate its progression.

It is possible to inspect an area
selected on a higher level in moredetail at the next level

Compression

high

low

Layer4compressed to
10%

Object being
inspected
Water leak

Layer3compressed to25%

Cable drop arm

Layer2compressed to50%

Chalk (white line)
reinforcement
metal fittings

Layer1compressed to100%

The smaller difference
Detected crack (white between thenumbers are largest
processed image
crack width)
result and crackgauge measurement
demonstrate thehigher accuracy of thisCrack amplitude
methodmeasured with acrack gauge
Crack width
measured using
processed
imaging

Crack (black line)
fluorescent light

X Layered image produced with multi-resolution images

The focus remains solely on the crack
extremities of both cracks

X Result of crack inspection using optimal parametervaluesIn the next set of images the crack
extremities are repeatedly detected

X Crack progression measurement without using the layered imaging

500

Band-Shaped
Steel Plate

Termination ofLongitudinal
Bars

Horizontal load (kN)

Prestressing Bar

250

Without retrofit (failure at the termination
Increasedof longitudinal bars of RC piers)
capacity
With band-shaped
steel plate retrofit

0
Increased
ductility

-250

-500
-100

-50

0

50

100

Horizontal displacement (mm)X 2XWOLQHRIUHWUR¿WWLQJPHWKRGZLWKEDQGVKDSHGSODWH

23

X ,QYHVWLJDWLRQRIUHWUR¿WWLQJHIIHFWVAnnual Report 2013-2014

Major Results of Research and Development Method for estimating the fatigue life of connectors• An analysis method of strain generated on lead wires for arbitrary shape of connector and vibration ofoverhead lines was developed.
• It is possible to estimate the fatigue life of connectors subject to trolley wire and messenger wire
vibrations.

Messenger
wire

Clamp
900mm

Lead wireEar

Contact
wire

Model conversion
Messenger
wire
Imaginary
single wire
900mm

Contactwire

J shapeC shapeS shape

X FEM model of connector using single line instead of wire strand

Number of pantograph passages
until rupture of element wire(times)Strain amplitude (x10-6)

4000
3500
3000
2500
2000
1500
1000
500
0

105

106
Fatigue life span (times)

X Fatigue life curve of connector lead wire (atmoment of element wire rupture)

24

107

107

106

105

104

J shapeC shapeAnalysis

S shapeC shape
Actual(on site)

X Fatigue life estimation result of connectors

Annual Report 2013-2014

Major Results of Research and Development

 Radio communication network simulator to evaluate thestability of radio based train control systems• We developed a simulation system to support the design and performance evaluation of the radio
communication network systems for radio based train control systems. This simulation system calculates
the data transmission quality over a radio communication network taking into account the trackside radio
propagation and electromagnetic environment. And we can evaluate stability of train control systems
by using the simulation system.
• This simulation system can support the evaluation of radio communication system designs ensure theircompliance with international standards and help reduce the cost of trials.

RouterGround controllers
Switching hub
Field controllers
Radio base stations

TrainsX An example of simulator screenshots

Color scale for Probability oftriggering emergency brake or0〜
control message transmission failure

-8

10

-7

10

-6

10

-5

10

-4

10

-3

10

-2

10

-1

10

〜

Probability of ground controller detecting transmission failure andtriggering emergency brake
Probability of loss of control message on radio communication
network (ground controller to on-board controller)
Probability of loss of control message on radio communication
network (on-board controller to ground controller)

2000

1500

1000

500

0

Probability of on-board controller detecting transmission failure andtriggering emergency brakeTrain position (m)X Examples of simulation results

25

Annual Report 2013-2014

Major Results of Research and Development

IMPROVEMENT OF CONVENIENCE Vertical vibration control system for practical use on
bolsterless air spring bogies• A vertical vibration control system was developed for bolsterless air spring bogies.
• It was confirmed that this system can reduce the power of carbody vertical acceleration by up to 90%.
• Applied in practice to a cruise train, ride comfort was demonstrably improved.
100

Variable verticaldamperControl unit

X $SSHDUDQFHRI¿WWHGGHYLFH RQWKH6HYHQ6WDUVFUXLVHTrain “Nanatsuboshi” in Kyushu)

PSD of the verticalvibration acceleration[(m/s2)2/Hz]

Air springs

Peak value is lower
than1/10 of the originalvalue
LT value isapproximately 7dB
lower

10-1

LT: ride comfort level (itis considered that adifference of 3-5 dB
can be felt physically.)

10-2
Conventional
train

10-3

Train fittedwith vibration
control system

10-4
0.5

1

2

3

4 5 6 7 8 1020Frequency [Hz]X Comparison of vertical vibration on conventional train and
WUDLQ¿WWHGZLWKWKHQHZGHYLFH UXQQLQJVSHHGRINPK• A method was designed to improve carbody
rigidity and ride comfort by virtue of interior
handrails.
• With this method handrails are put to practicaluse with part of “interior roll bars.”• Measurements on a train running on acommercial railway line revealed that thismethod was effective in reducing verticalvibration.

Acceleration PSD[(m/s2)2/Hz]

 Handrail contributing to better ride comfort and carbody
rigidity
Present
handraildesignValue is reduced to
1/3 of previous value

10 times

New handrail
design

6

8

10

12
14 16
Frequency [Hz]18

20

X 36'RIDFFHOHUDWLRQDERYHWKHÀRRUZKHQUXQQLQJ

Ceiling

New handrail
designNew handrail
designX Interior roll bar (in yellow)

26

Luggagerack

X Appearance of installed handrail

Annual Report 2013-2014

Major Results of Research and Development

 Increasing the tractive force of electric rolling stock throughearly detection of wheel slip convergence• A method was developed to increase electricrolling stock tractive force through early
detection of wheel slip convergence.
• The results from tests carried out with a shunting
locomotive confirmed that after wheel slip
detection there was a reduction of the drop in
traction motor torque and tractive force was on
average 5% higher.

Detection of slip convergence

Slip detection

Train speed

Axle speed

Drop in torque begins

Torque of maintraction motor

Drop in torque ends

Tractive force ratio [%]X Slip detection and drop in torqueRate of change in rotational
acceleration
When slip occurs < When slip
convergence occurs (1:5 〜 10)

Average tractive force(without early detection)

Average tractive force(with early detection)
ge
a
r
aveer
n
i
h
se higrea
Inc of 5%

Slip detection(torque drop)
Slip convergencedetection lag
improved

Acceleration signal after
improving the high frequency
band pass filter characteristics(small lag)Vibration
element

Slip detection
threshold

Speed

Taking detection error into
account and the acceleration
signal using conventional
data smoothing (large lag)Time
Slip occurs

X 5HVXOWVRI¿HOGWHVWVRQUHDOYHKLFOH

Slip convergenceoccursX Slip acceleration data smoothing Method to quantitatively evaluate turn-back facilities as ameans to prevent amplification of operational disruptions• A method was developed toquantitatively evaluate theefficiency of newly built turnback operation facilities.
• This method also makes
it possible to reflect thefrequency of operational
disruptions and assess theeasiness of turn back operations on the train timetable.
• The method offers comprehensive evaluations whichtake into account whether
passengers managed toreach their destination or not
by using alternative transport means.

Statisticalprobability ofoperational
disruptions
Without
turn-back
operation

Scenario A
Scenario
B C
Scenario

Multiple operational
disruption scenarios
With turn-back
operation

Assuming
rescheduling plan
according to a
scenario(without turn-back
operation)

Assuming
rescheduling plan
according to a
scenario(with turn-back
operation)

Rescheduling
plan
A B C
Scenario
Scenario

Rescheduling
plan
A B C
Scenario
Scenario

Estimating
passenger’s train
path
Evaluation
Value

A B C

Transferring

Includingdetour line
belongingto othercompany

Estimating
passenger’s train
path

Evaluation
Value

A

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SURSRVDOȕLVDGRSWHG

A B C

F
Expectation of adegree of
improvement intransport services(without turn-back
operation)

Comparison

Expectation of adegree of
improvement intransport services(with turn-back
operation)

X Quantitative evaluation method for turnback facilities

27

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VWDWLRQ%([SHFWDWLRQRIDGHJUHH
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3URSRVDOȕLVPRUHHIILFLHQW

X Example of evaluation of new proposed
facilities using the developed method

Annual Report 2013-2014

Major Results of Research and Development

BASIC RESEARCH
 Analytical method to evaluate injury to passengers in a train
collision• An analytical method was developed to evaluate injury topassengers occupying transverse seating on a train, in caseof a train collision.
• A human body FE model was designed making it possible
to evaluate injury for a range of railway vehicle interior
characteristics.
• This method makes it possible to propose vehicle structuresand interior furnishings which will minimise personal injury
to passengers.

Dummy collides
with seat in front

Direction of train collision

X View of collision test

Components
・Skin
・Flesh・Organs
・BonesDummy model

Test

Analysis

Head injury index(max. limit 1000)

65

111

Chest injury index(max. limit 60G)

10G

12G

Femur injury index(max. limit 10 kN)

5.4kN

6.9kN

rain
of t
ion
t
c
e
Dir

on
lisi
col

Facing direction of travel
Thorax strikes table after 90 ms

X Collision analysis using humanbody model

28

X Features of human body model

Maximum chest displacement [mm]

X Comparison of injury indices

・The model can be analysed fromall angles
・Body position can be modified:standing / seating
・Standard Japanese person (169cm,66 kg)

80

FrontalDiagonal

Injury is evaluatedin all angles

Lateral60
Injury is underestimated40
20
0Model of human body

Dummy model

X Comparison of maximum chest displacement

Annual Report 2013-2014

Major Results of Research and Development

 Increasing carbody shell strength through structural
optimization method• An optimization method for the shape of carbody shells was developed to reduce stress in high-stressregions and the weight of carbody.
• This method allows of the proposals for enhancement of strength and weight saving to carbody shells.

High stressHigh stress areas

Low stress

X Single carbody model stress analysis
High stressHigh stress

Low stress

Low stress

Before optimization
X Cross section of carbody frame
after optimization (framing of
window corner)

After optimization

Before optimization

X Optimization of shape in high stress areas Performance improvement of virtual running test environment
for railway vehicles using HILS system

Actual No. n car

Model accuracy using newly
developed method
Measurement values

Estimated values
Acceleration [m/s2]• It is now possible to accurately reproduce the movementof vehicles in a train set on a rolling stock test plant.
• A method was developed to build a model for accurately
reproducing the motion of a carbody including elastic
vibrations.

10
Carbody floor center

-1

1

0

2

Time [s]Virtual No. n-1 car(car end simulation
device)Virtual No. n+1 car(car end simulation
device)Acceleration [m/s2]

Test value (HILS)
Target value

0.4

Relativedisplacement of
actual components

HILS test

Generated force

Anti-yawing damper

0Traction link

-0.4
0Carbody floor above bogie

5

10

15

Time [s]X Exciting test results of a simulated train set running on a rollingstock test plant

29

Simulation model of a carbody

Actual component mounted on exciting test
equipment (any one component)

X Practical example of HILS system in use forthe development of actual component

Annual Report 2013-2014

Major Results of Research and Development

 Improving piezoelectric rubber performance through particlealignment• A ten-fold increase in the performance of piezoelectricrubber was achieved by improving its manufacturing
process.
• The enhanced performance piezoelectric rubber canbe used in anti-vibration materials possessing sensor
functions, and in sensors to detect axle bearing
damage, without the need for an amplifier.

Upper electrode

Piezoelectric
ceramic particles

Lower electrode

X State of particle alignment

D constant(pC/N)

Young’s modulus(MPa)

Normal piezoelectricmaterial

80 〜 600

50000

Commonpiezoelectric rubber

10

150

Enhancedperformancepiezoelectric rubber

100

40

Type

X Comparison of material characteristics

Result of axle bearing rotational tests
Load

State ofMeasurement

25

Signal of axle bearing with artificial defectSignal of normal axle bearing

20
Artificial defectVoltage (mV)

Axle bearing
anti-vibration
rubber containing
piezoelectric rubber

Signal produced byartificial defect

15
10
5

Incorporation into outer wheel of axle bearing withartificial defect

0

0

100

200
300
Frequency(Hz)400

X Example of newly developed piezoelectric rubber in a sensor with anti-vibration properties for detecting axle bearing
damage30

Annual Report 2013-2014

500

Major Results of Research and Development

 Evaluation of the rolling contact fatigue layer formed on rails
using X-ray Fourier analysis• It is possible to quantify inside a rail from it surface, changes to its metallurgical microstructure due
to rolling contact fatigue with indicators such as X-rayed crystallite size and dislocation density which
increase in correlation with plastic strain.
• It is expected that this evaluation method will make it possible to determine more effective rail grinding
and rail replacement maintenance work.
White etching layer

Depth from top surface (μm)

0Influence of rolling
contact fatigue is large(large dislocation density,
small X-ray crystallite
size)

Influence of rolling
contact fatigue islarge
Accumulated
passing tonnage of
50 million tons

100

Plastic flow

Texture200
Accumulated passing
tonnage of 500 million
tons

300

Normal microstructure

100

80

60
40
X-ray crystallite size (nm)20

X 7KHVWDWHRIUROOLQJFRQWDFWIDWLJXHTXDQWL¿HGXVLQJ;UD\Fourier analysis method

Influence of rolling contact
fatigue is small(small dislocation density,
large X-ray crystallite size)0

X Optical microstructure of rail with rolling contact
fatigue (accumulated passing tonnage of 500 million
tons) Magnetic heat pump system for non-Freon air-conditioners
1500

Cooling capacity (W)• A magnetic heat pump with a cooling capacityof 1.4 kW was developed using gadolinium alloyas magnetic material.

1000

Target level

500

0
15

20
25
Operating temperature (℃)

X Cooling capacity as a function of operating temperature

Cooling capacity per unit
mass of magnetic material(W/kg)

250

X The developed magnetic heat pump

200
150
100
50
0

Conventional
test apparatus

The developed
magnetic heat pump

X Cooling capacity per unit mass of magnetic material

31

Annual Report 2013-2014

Outline of Activities Public Interest Activities
and Development for
1 Research
the Public Interest

During the fiscal year 2013, ending in March
2014, progress was made in 279 research anddevelopment projects, funded by JR companies,
relating to the future of railways, as well as practicaltechnologies and basic railway research, of which
93 were completed. 11 projects were implemented
with outside public funds from independentadministrative institutions. The funds for researchand development amounted to 2.74 billion yen,including 190-million-yen in government subsidies
and 260-million-yen in external funds. In addition,
we undertook two contract-based R&D projects,
generating an income of 170 million yen.
To improve the efficiency of R&D, we also
launched 67 joint research projects with universities
and other research institutes and 13 contracted
research projects, while positively seeking advice
and evaluation from nine experts from third-party
organizations through the R&D review system.
We have disseminated the major results of ourresearch and development through periodical
publications, the RTRI Technology Forum and otherseminars, and published booklets of the results of
the R&D projects completed in fiscal 2012, ending
March 2013.

2 Surveys and Investigation

We conducted strategic surveys on medium- andlong-term trends in the fields of safety, environment,
transport economics, such as, “A Survey on Railway
Risk Management as Social Infrastructure”, and“A Survey on Policies and Measures to Maintainand Create Traffic Demand”, which will contributeto our R&D. We extracted research themes byconducting surveys of “Upgrading Disaster
Prevention Technologies for Railways”, in order
to seek research themes in the future. We also

32

collected information about railway technology
trends in terms of standardization in Europe byseconding an employee to the International Union
of Railways (UIC).

Involving Technical
3 Activities
Standards

We conducted six research and survey
projects relating to technical standards whichwere commissioned by the national government,
generating an income of 110 million yen. We also
carried out eight projects including the developmentof design tools relating to technical standards.

4 Information Services

We collected information, publications andmaterials on railway technologies at home andabroad, and released them through the Internet
and document search services. RTRI’s periodicals
are available on our website.

5 Publications and Lectures

We issued periodicals “RTRI Report,” “Railway
Research Review (RRR),” “QUARTERLY REPORT of
RTRI (QR),” “Railway Technology Newsletter” and“Information on World-Wide Railway Technologies(WRT)”. We also held the RTRI Annual Symposium
entitled “Maintenance Technologies Supporting
Railways – Evaluation and Remedy of Deteriorated
Structures” (632 participants), 11 Monthly Seminars(938 participants in total), and 29 Railway TechnicalLectures (1,620 participants in total).

Annual Report 2013-2014

6

Technology Consulting

In response to requests from railway operators,
we provided consultancy services for 482 projects.
Among these projects, 46 projects in total related
to accidents, disasters, and breakdown of facilities,
more specifically four projects related to accidents,
11 to natural disasters, 12 projects on rolling stock
breakdown, and 10 power system breakdowns.

Standardization
7 International
Activities

We promoted activities relating to international
railway standards in the IEC (International
Electrotechnical Commission) and the ISO(International Standardization Organization) basedon policies and proposals provided by the Railway
Technology Standardization Committee.
As activities of IEC, we continued the review

of standards as a National Mirror Committee ofTC 9 (Technical Committee of the International
Electrotechnical Commission for Electric Facilities
and Systems of Railways). We also tabled a newproposal for a standard on trackside power storage
systems. In addition, we proceeded with draft
standards of on-board power storage systems.
As activities of ISO, we hosted the 2nd Plenary
Meeting of ISO/TC 269 (Railway Applications) inTokyo in November. Furthermore, we promoted
the drafting of comprehensive standards regulating
design and planning processes for railway projects.

8

Qualification of Railway Design
Engineers

We conducted the examination for railway
design engineers in Tokyo and Osaka on October27, 2013. 739 applicants took the exam and 124
passed.

 Contract - Based Activities
The revenue from contract-based activities was
2.91 billion yen including income from patents.
We organized eight technical seminars in order
to disseminate research results and promote
contract-based business, and approximately 1,200
people from 360 companies attended in total.

1

Commissioned Research andDevelopment Project

1.1 Public-Interest Projects
We implemented six public-interest survey projects
commissioned by the national government. We also
carried out a research project “A Study of Damage
Evaluation Standards for Slopes” commissionedby the Japan Nuclear Energy Society (JNES). The
income from these projects was 280 million yen.
The income from commissioned research projects
combining public interest activities and commercial
activities were 3.19 billion yen for a target figure of
3.43 billion yen.

33

1.2 Commercial Projects
We carried out contract-based, commercial
projects including tests and surveys related to new
Shinkansen lines, review of structure maintenance,
tests for earthquake monitoring systems, andperformance evaluation of rail fastening systems.
Total income from the commissioned projects
for public-interest and commercial purposes was
3.19 billion yen, while the targeted amount was 3.43
billion yen.
Table 1 summarizes the number of clients andincome from commercial projects for the fiscal year
2013. Income from public corporations and private
enterprises dropped from the previous fiscal year
2012, while the income from JR companies andother public /private railways increased.

Annual Report 2013-2014

Outline of Activities
Ź7DEOH&ODVVL¿FDWLRQRIFOLHQWV

CustomerNational government
Local governments
JR companies
Public corporations
Public /private railways
Private enterprises
Total

No. of projects
Income (100 million yen)
0.15
(0.15)
6(8)
0.06(0.06)
4(2)
9.66(7.74)
102
(88)
7.28
(7.63)
31(38)
3.42(1.27)
87(80)
7.92(9.28)
301 (312)
531 (528)
29.13 (26.15)
The figures in brackets refer to the previous year.

1.3 Total Income
Total income from public-interest and commercial
projects was 3.19 billion yen in fiscal 2013, and it
was 93% of the targeted amount of 3.43 billion yen.

2

Railway Technology Promotion
Center3

Railway International Standards
Center

We sought to properly assess the technical needs
common to member organizations and promoted
various projects in close co-operation with railway/
tramcar operators and local railway associations.
We promoted six survey projects in response tomember requests of which three were completed,including “the Survey and Research on a Diagnosis
Manual for Structure Soundness”.
Regarding information sharing with the members,
we created a website which can be used by simple
registration process. In addition, we enhanced thesearch functions of the railway safety database.
In the sphere of technical support, we dealt with
100 inquiries from members on technical subjects
and carried out three service visits and 18 fieldsurveys. We compiled a textbook on rolling stock(rolling stock version II) for mid-level engineers.
Furthermore, we held 14 forums on diagnosing
the soundness of railway structures in major cities
in Japan. We also held 10 seminars for technicalcommittees of local railway associations.

In order to ensure that our work in the field ofinternational standards was carried out strategicallyand systematically, we shared information with
European and Asian experts on international
standards. We hosted meetings for Planning and
Administration Councils and the Strategy andPlanning Council for International Standardization,
promoted the review of international standards, inconsideration of member company needs, andproposed new international standards for rollingstock air conditioning systems. Furthermore, theRailway International Standards Center office was
moved to the newly-opened Chiyoda Office to meetthe growing work load.

34

4 Other Activities

4.1 Development of Gauge-Changing EMUs
As a member of the Free-Gauge Train (FGT)
Association, we conducted measuring at runningtests of a new train set fitted with improved trucks.
All the running tests were completed, andthe resulting evaluation was that “Basic durable
performances of Gauge-Changing EMUs arehighly likely to be confirmed” at Gauge-Changing
EMUs Technology Evaluation Committee (hosted
by MLIT, Ministry of Land, Infrastructure, Transport
and Tourism). The Committee’s report also statesthat durability tests with a new testing vehicle
should be continued and maintainability and cost
performance should be further analyzed aimed
at practical use. The Free-Gauge Train (FGT)
Association was dissolved at the end of March
2013. We provided advice by participating in thedesign committee for a new test vehicle which will
be developed by the Japan Railway Construction,
Transport and Technology Agency (JRTT) anddesigned and manufactured by the Kyushu Railway
Company. In addition, we participated in the design
meetings of Gauge-Changing EMUs which WestJapan Railway Company has started to develop,
and proposed specifications for truck and gauge
conversion equipment.
4.2 Industrial Property Rights
We made 199 patent and utility model applications
and 241 were registered in the fiscal year 2013. As
a result, this fiscal year, the total number of patents
and utility models owned by RTRI reached 2,076.

Annual Report 2013-2014

 Administrative Organization
Information
1 Human Resources Development 3 Strengthening
Management

We recruited 17 new graduates and three midcareer employees to avoid generation gaps in our
technological expertise between veterans andnew engineers. We also re-employed four retired
researchers, to ensure the smooth transfer oftechnical knowledge and skills from experienced
to young employees.
In order to promote personnel exchanges, we
seconded 54 researchers to other organizations,and accepted 114 in return. Among them, 26
were sent to JR companies and we accepted 63
from JR. In addition, we sent researchers to the
Ministry of Land, Infrastructure, Transport andTourism (MLIT), Japan Railway Construction, theTransport and Technology Agency (JRTT), the New
Energy and Industrial Technology Development
Organization (NEDO) and the International Union
of Railways (UIC), while accepting researchers
from MLIT, private railway companies and railway
related manufacturers. Furthermore, as a resultof our efforts to strengthen relationships with
universities, 11 researchers took office as visiting
professors and 39 as part-time instructors. 178 of
RTRI’s researchers have doctoral degrees and 78
have been qualified as Professional Engineers.

A review was made of methods used for
information management and revised related
rules in order to strengthen the management ofconfidential information relating to R&D. We also
educated our employees to raise their awarenessof confidentiality.

4 Visitors

RTRI’s Kunitachi Head Office and the
Maibara Wind Tunnel Technical Center received
approximately 2,760 and 360 visitors respectively,in the course of the fiscal year 2013. About 1,730
participants attended the RTRI Technical Forum
held at the Kunitachi Head Office on August 29
and 30, and 450 participants attended the Osaka
Forum on September 12. In addition, approximately
5,230 people visited RTRI’s Kunitachi Head Officeon the open house day on October 12 and 7,000
people visited Maibara Wind Tunnel TechnicalCenter on its open house days, October 12 and 13.

of Compliance with
2 Promotion
Corporation Policy

We made efforts to ensure employee compliancewith corporation policy, including the improvementof research ethics by using the RTRI version of the
web learning system.

35

Annual Report 2013-2014

International Activities
 Joint Research with Overseas Research Organizations
We pushed ahead with joint research projects inthree framework programs with overseas railway
research organizations. Each division has also
implemented individual joint research projects
based on its own interests with railways anduniversities in foreign countries.

Research with the China
1 Joint
Academy of Railway Sciences
and the Korea Railroad ResearchInstitute

The tripartite joint research by Japan, China
and Korea has been conducted since the twobilateral research programs (1) between RTRI and
the China Academy of Railway Sciences (CARS)
and (2) between RTRI and the Korea Railroad
Research Institute (KRRI) were combined into asingle scheme.
Aimed at sharing research results andinformation, joint seminars have been held since2001 on a rotating basis. In October 2013, the12th Joint Research Seminar was held in Korea.
The research themes for which RTRI participatedwere, ”Wheel and Rail Adhesion”, “Vibration
Measurement Technologies for Trackside
Buildings”, “Monitoring Technologies for Catenary
Systems”, “Specifications for High-Number
Turnout”, and “Issues of Safety and Reliability ofPower Supply Equipment”.

$VFHQHRIGLVFXVVLRQVLQ.RUHD

36

2

Joint Research with French
National Railways

RTRI and Société nationale des chemins defer français (SNCF) have been carrying out joint
research since the two parties concluded anagreement on joint research in November 1995.
On December 10th 2013, we had an intermediate
meeting in order to discuss the status of on-going
research themes and newly proposed themes. The
next joint research seminar will be held in Paris in
September 2014. The 6th-phase of joint research
is now in progress in the fields of “Behavior Issuesof Ballasted Track”, ”Maintenance Technologies
of Overhead Catenary Systems for High-Speed
Railways”, “Standing Comfort for Passengers”, and“Energy Saving Systems of Power Supply”.

Research with the Railway
3 Joint
Safety and Standards Board, UK

RTRI concluded an agreement on joint researchwith the Railway Safety and Standards Board(RSSB), in the UK in October 2008, and started joint
research in December 2008. In 2013, two research
themes, “An Effects Inspection of Finger-Pointing
and Call” and“Dealing with Climate Change” were
newly established and started.

4

Joint Research with Other
Research Organizations

In the year 2013 and 2014, RTRI continued
joint research with Massachusetts Institute ofTechnology in the USA (Theme: Technologies ofHigh-temperature Superconductivity), the Universityof Cambridge in the UK (Theme: Technologies for
Status Monitoring of Facilities), The University ofBristol in the UK (Theme: A Control Method of
Actuator), and Chalmers University of Technology
in Sweden (Theme: Fatigue Caused by Wheel-Rail
Contact, Evaluation of Effects on Tread Damage ofWheels). RTRI also started new joint research with
Columbia University in the USA (Theme: A Studyof Earthquake-Proof Design Method on Structures).
Annual Report 2013-2014

 Support for WCRR
The World Congress on Railway Research(WCRR) stems from the RTRI-sponsored Tokyo
International Seminar held in 1992 to which RTRI
invited a number of leading members in thefield of research and development from major
railway operators and other organizations indifferent countries across the world. WCRR has
since developed into an international conference
attended by railway engineers from around theworld who place particular emphasis on researchas part of their technological development.

The 10th WCRR 2013 was held in Sydney,
Australia, hosted by Australian Railway Association(ARA) and Cooperative Research Centre (CRC) for
Rail. WCRR 2013 was held from November 24th
to November 28th 2013 and successfully finishedwith 559 participants from 32 countries, 188
presentations, and 124 poster sessions. According
to the Organizing and Executive Committees held
in Sydney, the 11th WCRR 2016 will be held in Milanin Italy, from May 29th to June 2nd 2016 hosted by
Trenitalia.

 Co-operation with Government and Domestic Organizations
Responding to requests from the Ministry of Land,
Infrastructure, Transport and Tourism (MLIT) anddomestic organizations which support international
activities, RTRI sent its researchers to various
countries overseas, and in return accepted visitors
and internship students from other countries. In
July and August 2013, RTRI’s researchers gave
lectures on rolling stock and power supply systemsin Thailand. Also, RTRI received visits from National

Science and Technology Development Agency inThailand in August, from diplomats at the British
Embassy in Japan, representatives of Scottish
Development International, Heriot-Watt University,and University of Southampton in November.
In January 2014, RTRI received the Ministry ofRailways of the Government of India by a requestof the MLIT.

 Collection of Overseas Technical Information and Participationin International Conferences
We seconded a researcher to the International
Union of Railways (UIC headquarters: Paris,
France) to collect information on technical researchand development being undertaken by railways
in Europe. We participated in the UIC Asia-PacificRegional Assembly held in Astana, Kazakhstan, in
May, in the UIC General Assembly and International
Railway Research Board (IRRB) meeting held inParis, France in June and in December.

7KH8,&$VLD3DFL¿F5HJLRQDO$VVHPEO\LQ$VWDQD

37

Annual Report 2013-2014

International Activities Publication
In the year 2013 and 2014, we issued thenewsletter “Railway Technology Newsletter” on aquarterly basis to introduce our latest R&D activities
and researchers. Also, we issued our Annual
Report 2012-2013 (English Version) using an edited
version of the original Japanese-language report.

5DLOZD\7HFKQRORJ\1HZVOHWWHU Overseas Business Trips by RTRI’s Researchers and Guests
to RTRI from Overseas
Ź1XPEHURIEXVLQHVVWULSVE\575,¶VUHVHDUFKHUVE\SXUSRVH XQLWSHUVRQVCentral andNorth
America South America

Asia

EuropeAfricaOceania

Others

Total

WCRR

1

2

0

0

0

39

0

42

Conference/Meeting

33

101

13

0

1

3

1

152

Survey/Research

7

4

3

0

0

0

2

16

Joint research

17

10

2

0

0

0

0

29

Technical guidance

2

0

0

0

0

0

0

2

Contract

5

7

0

0

0

0

0

12

Others

17

27

1

0

0

1

0

46

82

151

19

0

1

43

3

299

Total

Ź1XPEHURIJXHVWVIURPRYHUVHDVE\FRXQWU\ LQFOXGLQJDWWHQGDQWV

Asia

EuropeNorth
America

Central andSouth America

AfricaOceania

Others

Total

190

91

7

7

10

10

73

388

 Railway International Standards Center
To facilitate the smooth operation of the Railway
International Standards Center (RISC), Planningand Administration Council’s meetings, which
are attended by representatives of member
organizations, are held a few times a year. The
meetings are held to discuss important matters
including business plans, budgets, business andfinancial reports, admissions and withdrawals of38

members, and other matters which are significant
to operate RISC. To maintain close communication
with members, a General Member Meeting is held a
few times every year, and information and views areconstantly shared among members. The overview
of the activities of Planning and Administration
Council’s meetings and income and expenditure
are as follows.
Annual Report 2013-2014

1

Operation and Management

1.1 Planning and Administration Council
The business report for the year 2012 and 2013
and the business plan for the year 2014 and 2015
were discussed at Planning and Administration
Council meetings held in May 2013 and February
2014.
1.2 Income and Expenditure for fiscal 2013
The total income for the fiscal year 2013 wasapproximately 264 million yen, including 88 million
yen from membership fees, 140 million yen from
JR contributions and 35 million yen in carry-overfrom the fiscal year 2012.
The total expenditure was approximately 232
million yen, including 79 million yen for businessactivities, 34 million yen in travel expenses and 117
million yen as personnel expenses.
1.3 Membership
Membership as of March 2014, end of fiscal
2013, was 132 with 10 new members and two
resignations.
1.4 General Member Meeting
General Member Meetings were held in August
2013 and March 2014, and discussions at the
Planning and Administration Council were reported
and views shared among members.

2 Review of IEC and ISO Standards

RISC, continued in its role as the National Mirror
Committee for IEC/TC 9 (Technical Committee of
the International Electrotechnical Commission
for Electric Facilities and Systems of Railways),
ISO /TC 269 (Railway Applications), and ISO/TC 17 (Technical Committee of the International
Standardization Organization for Steel) /SC
15 (Subcommittee of ISO/TC 17 for Rails and
Auxiliaries), and hosted the 2nd Plenary Meetingof ISO/TC 269 in Tokyo in November 2013.
2.1 Activities of IEC/TC 9
Meetings of the IEC/TC 9 Mirror Committee were
held in September 2013 and in March 2014, andthe status of standard development was reviewed
and reported. The 53rd Plenary Meeting of IEC/39

TC 9 was held in Firenze, Italy on November 5th to
8th, 2013 and nine persons attended from Japan.
Regarding the discussions on standards, the Mirror
Working Group met more than 90 times and 150
experts from RISC and other divisions of RTRI weresent to international conferences. Regarding IEC/
TC 9, 11 standards which RISC reviewed as partof its role as a secretariat of the National Mirror
Committee went into effect. In addition, standards
for power storage systems on the ground proposed
by Japan and standards for lithium ion battery
leaded by Japan were approved officially.
2.2 Activities of ISO/TC 269 (Fig.1.)
In July 2013, the 3rd meeting of ISO/TC 269
Mirror Committee was held, and its strategic
business plans were reviewed and AHG’s activities
were reported.
In October 2013, the 4th meeting of ISO/TC
269 Mirror Committee was held and discussions
included how to contribute to the 2nd ISO/TC 269
Plenary Meeting.
RTRI hosted the 2nd ISO/TC 269 Plenary
Meeting on November 20th to 22nd, 2013, with 36
participants from eight countries. At the meeting,a decision was taken that a technical report beprepared combining the first part “Stakeholders
and their demands” and the second part “Basicrequirements” of “Comprehensive Standards
Regulating Design and Planning Process ofRailway Projects” (Generic Standards) which had
been examined by AHG02, that Japan propose as
new standards the first part “terms and definitions”
of “Standards for Railway Vehicle Air Conditioning
Systems” which had been examined by AHG03,
and that establishment of AHG05 be discussed
in order to examine the setting up of threesubcommittees for infrastructure, rolling stock, andoperations and services.
Moreover, as a technical visit, the participants
visited the Tokyo General Rolling Stock Centerand the Technical Training Center for Signalling
and Communication Technology and Track
Maintenance in Omiya Branch Office with thecooperation of the Japan East Railway Company.
In February 2014, the 5th ISO/TC 269 Mirror
Committee meeting was held and the results ofthe 2nd Plenary Meeting were reported and future
actions were discussed.

Annual Report 2013-2014

International Activities
Furthermore, RISC held more than 40 Mirror
Working Group meetings and approximately
80 experts in and out of RISC participated ininternational conferences.

)LJ7KHQG3OHQDU\0HHWLQJRI,627&

2.3 Activities of ISO/TC 17/SC 15
At ISO/TC 17/SC 15, the secretariat country
China had proposed that the committee draft beapproved as the Draft International Standards forrails. Japan gave their approval to the proposal,
adding three technical comments and the proposal
was adopted by vote in October 2013.
2.4 Activities for Other ISO Railway Standards
Regarding the review activities for other ISO
railway standards, such as noise measurement,
ground vibration, synthetic sleepers and farecollection control systems, RISC participated in the
Mirror Committees and sent experts to international
conferences.

3

International Standardization
Strategies for Railways

Based on the basic strategies of “offence” and“defense” shown in the business plan of Railway
Technology Standards Committee’s railway
technology standardization, RISC has beenorganizing and carrying out specific activity plans.
In order to carry out international standardization
activities based on those continuously, RISC
examined and discussed medium- and long term
activity plan and tasks which should be tackled
preferentially as a foundation for promotinginternational standardization activities.

40

3.1 Discussions about strategies and plans
RISC held International Standardization Strategy
and Planning meetings in August 2013 andJanuary 2014, and the recent status of IEC/TC 9
and ISO/TC 269 was reported. Also, opinions were
exchanged about our long to medium-term tasks,
such as improvement of Japan’s presence in theinternational standards field, human resources
development, and cooperation with overseas.
3.2 Discussions about ISO/TC 269
Regarding ISO/ TC 269, RISC promoted
discussions about necessary tasks which are
related to maintain Japan’s presence in this field. As
specific activities, RISC proposed some activitiesof standardization including “Comprehensive
Standards Regulating Design and Planning
Process of Railway Projects” and “Standards of
Air Conditioning System for Rolling Stock”. Also,
AHG05, which will establish three subcommittees
including operations and services in accordancewith the proposal by Japan will be launched incooperation with France.

4

Proposals for Domestic Standardization

RISC shared information related to the needsof domestic standardization which is going to beor has already been published as international
standards with its members. RISC also supported
the work required to incorporate these standards
in Japanese Industrial Standards (JIS).

Analysis and Provid5 Collection,
ing Information

5.1 Collecting Information
In order to collect information related tointernational standardization of railways, RISC
conducted these surveys below.
• A survey of analytical methods to study theeffects of standardization• A survey of planning procedures for infrastructure
projects and supplementary standards• A survey of operational standards in Europe• Translation of important overseas standards

Annual Report 2013-2014

5.2 Opening of Separated Section Members
Meeting
The Separated Section Members Meeting iscomposed by ten sections including rolling stock,rolling stock electrical appliances, components,
power supply, contact line structures, signalling,station facilities, tracks, non-manufacturers, andJapan Railway Companies. RISC shared opinions
about the needs to develop international standards
with experts from European international standards
in each field.

Dissemination of
6 Overseas
Japanese Railway Technical
Information
In order to make the information on Japanese
railway technology available overseas in termsof international standardization, RISC has
introduced Japan’s commitment to international
standardization on its website in English. We
also compiled an English brochure to release theactivities of RISC to overseas organizations.

Enhancement for In7 Awarenessternational Standardization and
Human Resource Development
7.1 Seminars
We introduced basic knowledge and recent
developments in international standardization
at Seminars held twice in February 2014 (level:
beginner and intermediate).
7.2 Secretariat Activities to Honor Contributors
to the Standardization of Railway Technology
Japan’s Railway Technology Standards
Committee presents honors to those whohave contributed to domestic and international
standardization in the railway field, and RISC is
responsible for the supporting secretarial work.
In fiscal 2013, six people were honored for theircontributions.

of Co-operation with
8 Promotion
Overseas Railway Experts

persons including the chairman of CEN/TC 256(Railways Applications) and four Japanese people
attended. Furthermore, the information exchange
meeting of the JISC-CENELEC (European
Committee for Electro Technical Standardization)
was held in Brussels, Belgium, in November
2012. Along with this meeting, a meeting of the
JISC-CENELEC Railway Working Group meeting
was held in Tokyo, and four participants from
Europe including an organizer of CENELEC/TC 9X(Electrical and Electronic Applications for Railways)
and eight participants from Japan attended andactively participated in the discussions.
Furthermore, RISC concluded a memorandumof cooperation with French Organization for Railway
Standardization (BNF) by the suggestion from BNF
in February 2014.
8.2 Co-operation with Railway Standards
Experts in Asia
In June 2013 RISC’s experts visited the Ministryof Transport and the Land Transport Authority ofSingapore to exchange opinions. Also in September
2013, a Standardization Information Exchange
Meeting between Korea Railroad Research Institute(KRRI) & RTRI was held in Osong, Korea, and shared
information with KRRI. To cooperate with Southeast
Asian countries, we shared opinions with Malaysian
Railways Limited (KTMB) and State Railway ofThailand concerning cooperation proceduresfor international standardization activities byvisiting them. In addition, at the railway executive
meeting of Association of Southeast Asian Nations(ASEAN) held in October 2013, presentations ofinternational standards about railways were madeby the cooperation with International Union ofRailways (UIC). In the presentations, RISC showed
the necessities of international standards and theimportance of participating international standards
activities to the directors of each country.
Based on the results of these activities, we will
promote cooperation with Asian countries.

8.1 Co-operation with Railway Standards
Experts Personnel in Europe
An information sharing meeting of the JISC-CEN(European Committee for Standardization) was
held in London, the UK in October 2013, and eight

41

Annual Report 2013-2014

Facilities
We newly installed, renovated, and renewed 15 types of testing apparatus, including introductionof a new hydraulic fatigue testing machine for vibration isolating material that can perform fatigue
tests in which actual testing conditions of material with low elasticity are properly simulated andwhich can be used for evaluation tests on temperature-dependent polymeric material. Major items
are summarized below.

 New Hydraulic Fatigue Testing Machine for Vibration Isolating
Material
A new hydraulic fatigue testing machine for vibration isolating material has been
installed. The fatigue testing apparatus can conduct compression and tension tests
in one axial direction with the use of a maximum-load carrying capacity of ±100kN
and a maximum stroke of ±50mm.
Conventional testing machines used to evaluate vibration isolating material suchas track and sleeper pads, do not always maintain a state of excitation since some
low-elasticity material has a low repetition speed (approximately 5mm/s) for smallloads. This testing machine has a higher repetition speed (approximately 20mm/s)
by virtue of its higher capacity hydraulic driving system; the machine can therefore beused to conduct tests in which actual testing conditions of material with low elasticity
are properly simulated. In addition, the machine has a thermostatic oven that cancontrol temperature within a range of -30°C to 200°C, allowing for an evaluation testof temperature-dependent polymeric material. Meanwhile, the machine is equippedwith an energy saving control unit that can significantly decrease electric power
consumption (by 30% or more compared with a conventional testing machine).

1HZ +\GUDXOLF)DWLJXH7HVWLQJ
0DFKLQH

 Improvement of Vibration Load Test Equipment
We have improved vibration-load test equipment that is capable oftesting the pendulum motion of a full-scale vehicle. Specifically, major
improvements include: attachment of an electric actuator that canapply external force to a vehicle equivalent to a centrifugal force anddistortion load; building of a control system; enhanced compressed
air supply, and cross beams corresponding to a bogie frame thatenable testing in accordance with the presence or absence of a tilting
beam in the vehicle to be tested. These improvements have made it
possible to simulate loads caused by track distortion, in, for example
a transition curve, in addition to centrifugal forces generated when avehicle is running in a curve. Furthermore, operational tests can be
performed not only of a car equipped with a tilting beam but also ofa car-body tilting system using air spring that needs a great amountof compressed air when running in a section with successive curves.
Our new equipment allows us to check the performance of various
types of car-body tilting systems, and to develop, verification etc.
related constituent elements.

42&HQWULIXJDO/RDG$FWXDWRU
7RUVLRQDO/RDGLQJ$FWXDWRU&URVV%HDP

7LOWLQJ%HDP
9LEUDWLRQ/RDG7HVW(TXLSPHQW&HQWULIXJDO/RDG$FWXDWRUAnnual Report 2013-2014

Appendix
Publications
RTRI ReportVol. No.

TitlesSpecial Features: Track Technology• Recent Tendencies of Development of Track Structures According to the Performance Based Design Code• Experimental Study on the Prediction of Fatigue Life of Corrosion Rail• Improvement in Evaluation Method of Lateral Stability of Turnout Connected with Continuous Welded Rail
Vol. 27 • A Method of Preventing Hanging Sleepers on Rail Joints using Automatic Irregularity-Correcting Short Sleeper• Development of Railway Roadbed Improvement Method for Existing Lines by Reusing Deteriorated Ballast
No. 4(Apr. 2013) • Modeling an Optimal Track Maintenance Schedule in Consideration of Train Derailment Accident Risk
• Track Monitoring Based on Both the Axle Box Vertical Acceleration of the Leading Axle and That of the Trailing Axle
• Attenuation Characteristics and Resistance Forces of the Ballast Layer against Traffic Impact Loads Based on
In-situ Measurements• Gas Pressure Welding Method of Rails by Mixed Gas of Hydrogen and Ethylene Gas
Special Features: Vehicle Technology• Simulation Technology for Rail-vehicles to Improve Environmental Issues• Simulation of Passing a Turnout by Considering Wheel/Tongue Rail Contact• Proposed Method of Roller Rig Excitation Test for Simulating Vehicle Running Conditions on Actual Track
Vol. 27 • Development of the Active Mass Dampers for Reduction of Flexural Vibration of Carbody• Practical Use of a Vehicle Vibration Control System Using Secondary Variable Vertical Dampers
No. 5• Evaluation of Strength of End Structures of Intermediate Rolling Stocks of a Train during Train Crash Accidents(May. 2013) • Development of the Composition Brake Shoe for Reducing the Heat Load to the Wheel Tread with Keeping theBrake Performance under Wet Condition• Development of Fault Locators of the Train Command Line used in Automatic Electromagnetic Air Brake Systems
for Freight Trains• Durability Analysis of Fuel Cell by the Vehicle-Running Tests
Special Features: Structural Technology• Recent Research and Development in Structural Technology• Evaluation of Seismic Slope Stability Based on Model Tests Using Different Scale Shaking Tables
Vol. 27 • Development of Three-dimensional Measurement System for Earth Retaining Wall for Excavating Work
• Prediction Method of Ground Displacement Caused by Chemical Grouting
No. 6• Development of a Tunnel Monitoring Method Based on a Wireless Sensor Network(Jun. 2013) • Development of Partially Reinforcing Method for Prestressed Concrete Girders• Evaluation of the Influence of Installing Continuous Welded Rail on Existing Steel Bridges• Safety Evaluations of Crowd Walking on Stairs and Platforms in Stations• Improvement of Articulation of Broadcast Announcements at Station Concourses
Special Features: Maglev Technology and Applicable Attempts on Conventional Railway System• R&D of Superconducting Maglev and Applications of its Technology to the Conventional Railway System• 5T Class RE Magnet with Simplified Cooling System• Study on Locating Internal Defect of Ground Coil by Detecting Electromagnetic Waves
Vol. 27 • Development of Power Supply Unit for Anomaly Detection Sensors in Ground Coils of Superconducting Maglev
No. 7• Development of A Rail Brake Derived from Linear Motor Technology(Jul. 2013) • Study of the Loss by the Proximity Effect of the Conductor in Contactless Power Supply Coils• Development of Permanent Magnet Synchronous Motor Driving for Superconducting Flywheel Energy Storage
System• Characteristic of a Magnetocaloric Refrigerator with New Magnetcaloric Materials• Technology Trends of Magnetic Refrigerators
Special Features: Power Supply Technology• Recent Topics on Power Supply Technology• Improvement of Control Method for Fixed Energy Storage System
Vol. 27 • Study on Application of Wide-bandgap Semiconductor Devices to Electric Traction Infrastructure• Evaluation Technique of High Voltage Insulators under Contamination Environments
No. 8(Aug. 2013) • Development of Compound Catenary Equipment Equipped with Feeder Messenger• Effect of High-Speed Shinkansen Train Draft in Tunnel on Current Collection Characteristics• Wear Modes of Contact Wire and Contact Strip under Electric Current Condition• Measurement of the Contact Force of Pantograph by Image Processing Technology
Special Features: Signalling, Telecommunications and Transportation• R&Ds related to Signalling, Telecommunications, and Transport Operation• Analysis of Lightning Overvoltage on Signalling and Telecommunication Cables• A Unification Method of the Computer-aided Logic Design for the Railway Signal Control Units
Vol. 27 • Development of Train Location Detection Methods for Signalling• Design Methodology of Wireless Sensor Networks with Consideration for Installation and Operation Costs
No. 9(Sep. 2013) • Development of Interactive Timetabling System with Fast Estimation of Train Congestion under Planning Timetables• Analysis Method of Passenger Flow under Disrupted Train Traffic by Using Accumulated Passenger Data
• Development of a Method of Evaluation of Rail-Bus Transfer Convenience Considering Characteristics of Station
Surroundings• An Analysis on the Possibilities to Increase the Railway Freights Based on the Actual Transport Situations

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Annual Report 2013-2014

Appendix
Vol. No.

TitlesSpecial Features: Railway Dynamics• Recent Research and Development in Railway Dynamics• Optimization of Control Parameters for Active Control Pantograph• A Basic Study of Aerodynamic Noise Reduction Method of a Pantograph Head using Plasma Actuators
Vol. 27 • Development of the Crushable Stopper for Countermeasures against Derailment in Case of Earthquake
No. 10• Development of Bogie Rotational Resistance Test Machine(Oct. 2013) • Analysis of Rolling Contact Behavior between Wheel and Rail by Large-Scale Parallel Computing• Tangential Force Characteristics of the Wheel/Rail Interface with Fine Unevenness on Wheel Tread• Dynamic Response Characteristics of the Tall Noise Barrier on Railway Structures during Passage of Trains and
Its Design Method• Analytical Study on Structure Member Vibration Characteristics of Reinforced Concrete Rigid Frame ViaductSpecial Features: Disaster Prevention Technology• Recent Research on and Prospects of the Disaster Prevention Technology• Real-time Prediction of Earthquake Ground Motions using Seismic Records Observed in Deep Boreholes• Estimation of Earthquake Ground Motions along a Railway for Early Resumption of Regular Train Operation after
Earthquakes
Vol. 27• The Correction Coefficient of Nonlinear Response Spectrum Corresponding to the Difference of the Initial Damping
No. 11
Factor
(Nov. 2013) • Method to Pinpoint Locations along Railway That Are Subject to Strong Winds with Due Consideration on Local Winds• A Simplified Method for Estimating Outflow from the Bottom of Snowpack• Risk Evaluation of Debris Flow using Digital Terrain Model• Reproducing Simulation of Track Inundation Caused by Overflow of a Small-scale River• An Analytical Study on Applicability of a Hammering Measurement Method to Rock Stability Evaluation
Special Features: Vehicle Technology• Recent Research Topics on Truck Monitoring• Quantitative Evaluation on Flaw Echo of Railway Axle in Consideration of Contact Pressure with a Wheel• Development of Electro-Hydraulic Actuator with Fail-Safe Function for Steering System• Development of Bogie to Control the Decrement of Wheel Load which Adopted the Three Block Construction Bogie
Vol. 27
Frame• Dynamic Response of a Moving Vehicle to a Sudden Gust of Wind
No. 12(Dec. 2013) • Multi-modal Vibration Control of Flexural Vibrations in Railway Vehicle Carbodies using Compact Active Mass
Dampers• Development of Small-sized Aerodynamic Brake for High-speed Railway• Degradation of High-Voltage / High-Current Power Semiconductor Modules for Trains• Estimation of the Energy Consumption of a Train Equipped with a High Efficiency Induction Motor through Running
Simulations
Special Features: Design Technology of Steel and Concrete Hybrid Structures• Recent Trends of Design Technology for Railway Steel-Concrete Hybrid Structures• Evaluation Method of Shear Capacity of Steel Reinforced Concrete Beam Considering Shear Span Effective Height
Ratio and Support Condition• Evaluation of Deformation Performance and Flexural Strength of Steel Reinforced Concrete Column Using HighStrength Materials•
Evaluation of Flexural-Load Capacity for Composite Member with Considering Initial Stress of Fabricated Steel atVol. 28
the Concrete Casting
No. 1• Evaluation Method of Bending Capacity and Ductility of Concrete Filled Steel Tube Members with Small Shear-span(Jan. 2014) Ratio• Evaluation of Bending Capacity and Ductility of Concrete-Filled Circular Steel Tube Members Using High-strength
Materials• Improvement of Evaluation Method of Load Carrying Capacity of Beam-to-Column Insert Joint• A Trial Design and Evaluation of Steel-Concrete Hybrid Structures Applying a Comparative Design between the
Revised Design Standard and the Current One• A Comparison between the Revised Design Standard and the Current One for Various Types of Joint Panel
Special Features: Materials Technology• Recent Trend of Research and Development on Materials for Railway• Development of a Simple Non-destructive Evaluation Method for the Permeability of Cover Concrete• Experimental Fiber Reinforced Short Sleeper by the Geopolymer MethodVol. 28 • Improvement of the Low-temperature Characteristics of Resilient Rail Pads by Foam Structuring• Improvement of Noise Insulation Material for a Rail Joint
No. 2(Feb. 2014) • Evaluation of Wheel Flange Contact Using Ultrasonic Wave
• Long-life Gear Oils for Conventional Railway Electric Trains• Application of the Flame - resistant Magnesium Alloy to Body Shell• Development of a Contact Strip for Shinkansen with Improved Lubricating Properties• Applicability Evaluation of Superconducting Cables for Railway Systems
Special Features: Preservation of Wayside Environment• Recent Studies on Wayside Environmental Problems• Study on a Prediction Model for Wayside Noise of Shinkansen in Cut Sections
Vol. 28 • Reducing Effect of Absorbing Materials Covering the Inner Walls of the Tunnel Entrance Hood on Noise from a
Tunnel Portal of Shinkansen
No. 3• The Influence of the Variation of Track Support Rigidity Around an Overbridge on Ground Vibration(Mar. 2014) • Experimental Investigation of the Effects of Topography Around the Tunnel Portal on the Micro-pressure Wave
• Micro-pressure Wave Emitted from a Tunnel Hood with Side Openings• Influence of Train Nose Shape on Pressure Variation in Tunnel• Numerical Simulation of Flow Around a Railway Vehicle in a Turbulent Boundary Layer Over Flat Terrain

44

Annual Report 2013-2014

Appendix
Quarterly Report (QR)
Vol. No.

Titles• A Support System for Early Resumption of Regular Train Operations Applying Public Earthquake Information• Calculation Method of Time History Including Large-scale Earthquake and Its Aftershock• Assessment of the Incidence of Landslides Using Numerical Information• Visibility Checking Method for Railway Signals by Cab-mounted Camera
Vol. 54 • Method for Verifying System Requirement Specifications Based on Train Control System Safety Requirements• Method to Evaluate the Appropriateness of Introducing a High Speed Data Transmission System Using Metallic
No. 2(May. 2013) Telecommunication Lines onto Railways• Deformation Behavior of Ballasted Track during Earthquakes• Numerical Dynamic Simulation of a Train Set Running on Ballasted Track after Derailment• Numerical and Experimental Study on Measuring Method of Rail Axial Stress of Continuous Welded Rails Basedon Use of Resonant Frequency• Safety Evaluation of Railway Vehicle against Crosswind Applying a Full-vehicle Model• Fault Detection of Vertical Dampers of Railway Vehicle Based on Phase Difference of Vibrations• SOC Estimation Method of Lithium Ion Battery for Contact Wire and Battery Hybrid Electric Railway Vehicle• Effect of Short Period Ground Motion on Seismic Design of Bridges and Viaducts
Vol. 54 • Stability Inspection Method for Existing Retaining Walls• The Influence of the Details of Reinforcement Arrangement on Deformation Performance of Reinforced Concrete
No. 3(Aug. 2013) Members• High Temperature Superconducting Cable for Railway System• In Situ Analytical Method of Interfacial Substances between Wheel and Rail• Mechanical Analysis of Soundproof Plate with Function of Wind Load Reduction and Experimental Verification
Using a Full-scale Prototype• An Algorithm for Crew Route Scheduling Focusing on Manpower Efficiency• Application of Verification Methods to Specifications of Signalling Equipment• Method for Quantitatively Defining Station Territories in Areas where Multiple Railway Companies Compete• Contribution of Rolling Noise and Aerodynamic Noise to the Total Noise Generated from the Lower Part of Shinkansen
Cars Running at High-speed
Vol. 54• Improving the Aerodynamic Performance of Flat-fronted Trains on Meter-gauge Railway Lines
No. 4• Countermeasure for Reducing Micro-pressure Wave Emitted from Railway Tunnel by Installing Hood at the Exit of(Nov. 2013) Tunnel• Practical System for Implementing Vocational Training Program for Improving Train Driver Skills for Coping with
Abnormal Situations• Investigation into Visual Acuity Required for Recognizing Trackside High Speed Signals• Measurement of the Right Hand Operable Area under a Simulated Driving Situation• Development of Active Mass Dampers for Reducing Multi-modal Flexural Vibrations of Carbody• Development of Composition Brake Shoe for Reducing Heat Load to Wheel Tread with Keeping Brake Performance• Evaluation of Strength of End Structures in Intermediate Rolling Stock of a Train During Train Collision Accidents
Vol. 55 • Development of Three-dimensional Measurement System for Earth Retaining Wall for Excavating Work• Tunnel Monitoring Method Based on Wireless Sensor Network
No. 1(Feb. 2014) • Evaluation for Soil Liquefaction Due to Long Duration Earthquakes with Low Acceleration• Gas Pressure Welding Method of Rails by Mixed Gas of Hydrogen and Ethylene Gas• Development of Railway Roadbed Improvement Method for Existing Lines by Reusing Deteriorated Ballast• Modeling an Optimal Track Maintenance Schedule in Consideration of Train Derailment Risk

Railway Technology Newsletter
No.

Titles• Preface• Prize Winning - UIC Innovation and Research Awards• Visit to RTRI by the Rt Hon Simon Burns MP, Minister of State for Transport
No. 43• Effect of Surface Condition and Lubrication on Flange Climbing of Turned Wheels(Jun. 2013)• Development of a Pneumatic Floating Brake Caliper for High-Speed Rolling Stock• A Technique to Analyze Passenger Flow at Transport Disturbance Using Accumulated Passenger Data
• A Three-Dimensional Dynamic Simulator for the Pantograph-Catenary System• Why Not Share the Outcomes of R&D Activities across the World for the Safety of Railways?
• Appointment of New Board of Directors• A Research Director Awarded a Decoration by Japanese Government
No. 44• Development of “Micro-ribbed Wheel Tread Profile” to Reduce the Lateral Force in Curves(Sep. 2013)• Development of High-Efficiency Induction Motors for EMUs
• Development of Integrated Bridge with Geosynthetic-Reinforced Soils• A Guideline for the Installation of Contact Wires for High-Speed Train Operation• Foreword• The 10th WCRR 2013 Held in Sydney• Japan to Cooperate on Sweden’s Plans for High Speed RailNo. 45• Improving Reliability of Thermite Head Repair Welding(Dec. 2013)• A Risk-Based Technique to Support Decision-Making on Falling Stone Preventive Measures• Estimation of the Probability of Lightning Hazard on Railway Signalling Systems by Observing Induced Overvoltage• Friction Stir Welding Technology to Apply Flame-resisting Magnesium Alloy to High-Speed Rolling Stock• Research and Development for the Future of Railways• Renewal of RTRI’s Supercomputer• A Taiwan Rail Technology Seminar Held at RTRI
No. 46 • The 1st Workshop of Ballasted Track Maintenance between Japan and United Kingdom(Mar. 2014) • Designing Railway Noise Barriers to Account for Resonance due to Train Draft Pressure• High-precision Prediction of Tunnel Micro-pressure Wave Based on Theoretical Analysis• A Reflecting Back Support System for Train Driver Training• A Preliminary Study of Magnetic Fields on Railway Vehicles

45

Annual Report 2013-2014

Appendix

Lectures
Annual SymposiumSpecial address
Keynote address
General address

Strong, durable, and beautiful railway structures
Maintenance technology for evaluation and remedy of deteriorated structures• Monitoring and diagnosis technology for ground facilities• Monitoring and diagnosis technology for rolling stock• Maintenance technology for keeping soundness of track• Maintenance technology for keeping soundness of electrical equipment• Renewal technology for deteriorated railway structures

Monthly Seminar
Month
April
May
June
July
AugustSeptember
October
DecemberJanuary
February
March

Theme
Recent research and development on environmental engineering / Development of railway simulators
Recent research and development on rolling stock materials
Recent research and development on signalling and telecommunications technologies
Recent experiment technology on structures
Recent research and development on rolling stock technologies
Recent research and development on power supply technologies
Recent research and development on signalling and transport information technologies /Recent research and development on power supply technologies
Recent research and development on disaster prevention technologies
Recent research and development on track technologies
Recent research and development on human sciences
Recent research on maglev systems technologies and their application

Statistics
Recognition
Title
Commendation by Minister of Education,
Culture, Sports, Science and Technology,
Japan

Name of awardee
SusumuNAKAJIMA

A study of evaluation model for displacement
and motion of retaining wall at earthquake

April

Medal with Yellow Ribbon

Shun-ichi KUBO

Evaluation method for wear characteristics ofcarbon type pantograph contact strip

April

Commending
Organizations

Category of prizeMonthCategory of prize• Japan Society of Tribologists, Tribology Legacy Award• Japan Association for Earthquake Engineering, Prize for Achievement• The Institute of Electrical Engineers in Japan, Prize for Progress• Institute of Noise Control Engineering of JAPAN, Prize for Encouragement of Research and Development• The Laser Society of Japan, Prize for Achievements• The Japan Fluid Power System Society, The Best Lecture Prize• The Japan Fluid Power System Society, Prize for Technology Development• The Japanese Geotechnical Society, 2012 Outstanding Paper Award• The Japan Society of Mechanical Engineers, Department of Environmental Engineering, Research Encouragement
Prize at Environmental Engineering Symposium
Academic • Japan Society of Civil Engineers, Structures Engineering Committee, Railway Engineering Committee, Paper
societies
Encouragement Award• Japan Concrete Institute, 35th Concrete Institute Lecture, Paper Encouragement Award• Japan Concrete Institute, SCMT3 Award Winning Paper• The Japanese Society of Snow and Ice, Prize for Achievement• Japan Society for Natural Disaster Science, 2013 The Best Academic Presentation Award• Japan Society for Simulation Technology, JSST2013 International Conference on Simulation Technology
Outstanding Presentation Award• The Japanese Geotechnical Society, 48th Geo-hazard and Risk Mitigation Presentation, Award for Excellent
Paper Presentation• The Japan Society of Mechanical Engineers, Department of Transportation and Logistics, Award for Excellent
Paper Presentation• Congress of Japan Railway Cybernetics, Award of Excellence• Congress of Japan Railway Cybernetics, Prize for Technology, Award of Excellence
Associations • Japan Railway Civil Engineering Association, Prize for Excellent Publication• Japan Railway Rolling Stock and Machinery Association, Award of Excellence• Hokkaido Development Engineering Center, Prize for Cold Region Technology

46

Annual Report 2013-2014

Appendix
Commending
Organizations
Associations

Others

RTRI

Category of prize• The Japan Electric Association, 2013 Shibusawa Award• Japan Train Operation Association, A Letter of Thanks• Zhejiang University/International Symposium on LDIA2013 Best Paper• IEC 1906 Award• Ministry of Economy, Trade and Industry, Industrial Standardization Award, Prize of Prime Minister• Ministry of Economy, Trade and Industry, Prize for Contributors at International Standardization
Reward for Outstanding Research and Deveopment• Development of superconductive cable for railways• Calculation method for the probability of earthquake damage to railway rolling stock on massive structures• Development of high-efficiency AC traction motor
Reward for Outstanding Service Achievement• Recovery support on lines suffering from heavy rain in North Kyushu• Review of the Great East Japan Earthquake and revision of earthquake-proof design standards
Prize for Outstanding Research and Development• Development of long-life, sintered-alloy contact strip for Shinkansen• Construction of earthquake and disaster simulator using databased archives• Information guidance on possibility for reopening operation from passenger’s view
• Proposition and verification for implementing linear rail brake• Evaluation of characteristics of creep force focusing on slight uneven faces on wheel tread
Prize for Outstanding Service Achievement• Revision of guideline for earthquake-proof design on contact line
• Technical guidance relating to improvement on vertical motion of running trains• Preparation and establishment of ISO/TC269 review systems• Wind tunnel tests relating to evaluation on aerodynamic force affecting on rolling stock when strong wind blows
Prize for Encouragement of Research and Development• Development of direct acting wear test machine and research on controlling factor for electrificated wear
• Construction of geo-hazard analysis method considering transfering and scattering of ground water• Improvement of piezoelectric rubber performance by particle orientation• Development of on-board electromagnetically-coupled reactor

Industrial Property Rights
Regarding the patents applied for, we do notclaim examination of those with little working or
for which improvements have been applied forregistration.
We also scrutinized the patents in possession
with respect to the necessity of holding or possibilityof abandonment. We positively disclaimed thepatents for which 10 years or over have passed
after registration and little working is expected.
As of the fiscal 2013-2014, the results of thescrutiny are as follows.
Newly registered patents : 241
Patents of which the rights has expired : 11
Abondoned patents : 97
Consequently, we have 2,093 domestic industrial
property rights including 18 trademarks and 97
overseas patents.

47ŹDomestic industrial property rights in possession
Independently
Jointly
Category
owned
owned
Registered
737
552
Applied for
466
287
Patent(Examination
(160)
(99)
applied for)
Subtotal
1203
839
Registered00
Utility
Applied for
0
1
model
Subtotal
01Registered
12
15
DesignApplied for
60patentSubtotal
18
15
Registered170Trademark Applied for00
Subtotal
170Registered
766
567
Total
Applied for
472
288
Total
1239
855
ŹOverseas patents in possession
Number of
Statusapplications
Registered
27
Registered (In some7
countries)
Applied for
10
Total
44

Total
1289
753
(259)
2042
0
1
1
27
6
33
17
0
17
1333
760
2093

Number of thecountries
84
13
97

Annual Report 2013-2014

Appendix

Press Release
April

June
July
September

OctoberNovember

December

Feburary

March

RTRI developed "MPMSOIL-3D", an analysis system for large-scale ground deformation using a particle
methodRTRI's researcher commended for his achievement by the Ministry of Education, Culture, Sports,
Science and Technology
RTRI's director awarded Medal with Yellow Ribbon by Japanese government
New board members appointed
New president of RTRI greeted
Running test of a train by superconductive cable successfully done
New super computer introduced
RTRI Technology Forum 2013 held
RTRI Signalling and Telecommunications Technology Meeting held
Railway International Standards Center moved to newly-opened Chiyoda Office
RTRI Structures Technology Meeting held
RTRI Track Technology Meeting held
RTRI Power Supply Technology Meeting held
Vertical Vibration Control System loaded on "Seven Stars in Kyushu"
RTRI Transportation Technology Meeting held
RTRI Human Science Technology Meeting held
RTRI Disaster Prevention Technology Meeting held
RTRI Rolling Stock Technology Meeting held
2nd General Assembly of ISO/TC 269 held
WCRR 2013 in Sydney held
Anniversary ceremony for 2013 held
Railway Technology Promotion Center Lecture held
A wireless accelerometer for "IMPACT IV", a measurement system to diagnose of bridge base andretaining walls developed
A party of Indian Railways visited RTRI
A high-temperature superconducting magnet for next-generation flywheels successfully developed
Customers' Square opened
Workshop on wheel and rail damage with Chalmers University of Technology held

YEAR 2013-2014: April 1, 2013 - March 31, 2014
Copyright© 2014 Railway Technical Research Institute.
All rights reserved.
Published by Fuminao OKUMURA, Executive Director
International Affairs Division, Railway Technical Research Institute
Hikari-cho 2-8-38, Kokubunji-shi, Tokyo 185-8540 JAPANFind us :WEB: http://www.rtri.or.jp/eng/index.html
Facebook: https://www.facebook.com/rtri.eng

For download :Brochure & Annual Report: http://www.rtri.or.jp/eng/rtri/brochure.html
Railway Technology Newsletter:http://www.rtri.or.jp/eng/publish/newsletter/index.html

48

Annual Report 2013-2014