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52550
  
  

  8
Dec
2023
Technical Reports
PTC Communications: Cybersecurity Technology Review and Concept of Operations
Author
          Federal Railroad Administration

Subject
                    Positive Train Control,
                    Security

**Keywords:** Positive Train Control, PTC, railroad, shared network, Interoperable Train Control Messaging, ITCM, cybersecurity, encryption, National Institute of Standards and Technology, NIST, ELLI
**Abstract:** Researchers sought to determine how to improve the confidentiality of information passing through the...
Report Number
              DOT/FRA/ORD-23/39

  Office
              RDI-23
    1
Nov
1995
Technical Reports
Modeling and Simulation of a Superconducting EMS-Type Maglev Vehicle/Guideway System
Author
          Mark L. Nagurka, Ssu-Kuei Wang

Subject
                    Maglev

**Keywords:** Vehicle/Guideway Interaction, Vehicle Dynamics, Maglev Control, Preview Control
**Abstract:** Computer simulation models are developed for predicting the dynamic performance of a magnetically levitated (maglev) vehicle with a superconducting (SC) electromagnetic suspension...
Report Number
              D0T-VNTSC-FRA-95-16

  Office
              RRD
    1
May
1995
Technical Reports
Investigation of Local Commutation as Applied to Linear Synchronous Motors for Use as a Maglev Propulsion System
Author
          R. Wiesman, R. Fontana, B. Gamble, D. Cope, T. Mason, G. Bastarache

Subject
                    Maglev

**Keywords:** Distributed Control, Power Transfer, Railroad Technology
**Abstract:** The Locally Commutated Linear Synchronous Motor (LCLSM) concept was analyzed and demonstrated. Design and analysis of an 8.1 Megawatt propulsion motor for a 100 Mg Maglev vehicle...
Report Number
              DOT/FRA/ORD - 95/01

  Office
              RRD
    1
Feb
1995
Technical Reports
Safety of High Speed Ground Transportation Systems: Safety of Advanced Braking Concepts for High Speed Ground Transportation Systems
Author
          Federal Railroad Administration

Subject
                    High-Speed Passenger Rail,
                    Maglev

**Keywords:** high-speed; rail; magnetic levitation; braking equipment; fault-tolerant; fail-safe; FMEA; safety; failure modes
**Abstract:** The objective of this study is to develop qualitative and quantitative information on the various braking strategies used in high-speed ground transportation systems in support of...
Report Number
              DOT/FRA/ORD-95/09.1

  Office
              RDI-20
    1
Sep
1994
Technical Reports
Safety of High Speed Magnetic Levitation Transportation Systems: Thermal Effects and Related Safety Issues of Typical Maglev Steel Guideways
Author
          Federal Railroad Administration: S. J. Kokkins; A. Purple; G. Samavedam

Subject
                    High-Speed Passenger Rail,
                    Maglev

**Keywords:** Thermal, Guideway, Magnetic levitation, Maglev, Deflection, Temperature, Transrapid
**Abstract:** This report presents a theoretical analysis predicting the temperature distribution, thermal deflections, and thermal stresses that may occur in typical steel Maglev guideways...
Report Number
              DOT/FRA/ORD-94/10

  Office
              RRD

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