AB Dynamics, Middleton Drive, Bradford on Avon, Wiltshire, BA15 1GB, England.
Tel: +44 (0)1225 860200

Email: sales@abdynamics.com

www.abdynamics.com

SPMM 5000e

Exceptional Accuracy, Quality and Reliability from Exceptional Design

SPMM 5000e

Exceptional Accuracy by Design●

AB Dynamics supply advanced testing technology tovehicle manufacturers and their suppliers
throughout the world.

●●World class vehicle Kinematics 		
and Compliance (K&C), Moments of 		Inertia (MIMS) and Centre of Gravity 		(C of G) measurement capability.
The most faithful simulation ofon-road vehicle behaviour.		

The capability to test the next 		
generation of vehicles, from 		small city cars, to large SUVs and 		high performance racing cars.

SPMM 5000e

Exceptional Accuracy by Design

Faithful simulation of on-road vehicle behaviour● Unrivalled measurement accuracy● Exceptional reliability● Intuitive and safe operation●Wheel Stations

Moving Body Platform

The wheel stations serve threefunctions: automatic adjustment
for wheelbase and track duringloading, the measurement ofwheel forces and displacements,
and the application of forces andmoments during testing.

At the heart of the SPMM
5000e is the moving centre table.
Six precision electromechanicalactuators apply a combinationof roll, pitch, bounce and yaw
motion to the vehicle body. The
ground plane remains fixed.

Electrical Actuators
All of the axes on theSPMM 5000e are driven byelectromechanical actuators. This
provides the operator with asafe, clean and quiet environment
where vehicle behaviour can beclosely observed.

Design Philosophy
Design Philosophy
Exceptional Accuracy, Quality and Reliability from Exceptional Design
The SPMM 5000e has been designed
by suspension engineers for suspensionengineers. The vehicle body is moved
to simulate braking, accelerating andcornering scenarios. This moving bodyphilosophy provides the most faithful
possible simulation of on-road vehicle

behaviour and allows highly accurate
wheel position measurement systems
to be used. During compliance testing,lateral, longitudinal and steer forces
are applied using the X, Y and Delta
actuators in the wheel stations.

Design Philosophy

Braking Simulation

Cornering Simulation

Exceptional reliability and unrivalledmeasurement accuracy comes fromthe philosophy of using only the mostsuitable and highest quality components.
Intuitive and safe operation results fromthe application-specific software anduser interface of the SPMM 5000e. The

use of electromechanical actuators minimizes
stored energy making it safe to inspectvehicles during a test. A comprehensive
post processing package presents results in
an informative report. Relevant data can
automatically be exported and used withintoday’s vehicle modelling packages.

‘exceptionally reliable.’‘ . . . the SPMM has proven to be an
excellent product; efficient and flexible
in use, accurate and exceptionallyreliable.’
Ian Willows
Consultant Engineer - MIRASPMM 5000e

Dynamic Testing
Whilst the majority of K&C
tests are quasi-static, advanced
users also undertake dynamic
K&C tests. The SPMM 5000e
actuators, measurement systems
and algorithms are specificallydesigned for high accuracy testing
up to 5Hz.

Exceptional Accuracy by Design

With the capacity to test a broad range of vehicles from smallcity cars to large SUVs and high performance racing cars, theSPMM 5000e provides a platform for developing the next
generation of vehicles.

Capabilities That Meet Your Needs
Capabilities That Meet Your Needs
Body Motions

Capacity
Minimum

Maximum

Evolving Capabilities.

Wheel Motions
Range

Accuracy

Max Velocity*

Range

Acuracy

Capabilities That Meet Your Needs
Wheelbase1960 mm4540 mm

Track

1100 mm2082 mm

Vehicle Mass		

5000 Kg*

Rear Wheelpan ∅600 mm✝

*

400 mm6800 Kg if centrally loaded✝

With adaptor fitted

Max Velocity*

Bounce±215 mm±0.15 mm

140 mm/s

Fore & aft (X)±150 mm±0.15 mm

100 mm/s

Roll±10°±0.02°7°/s

Lateral (Y)±150 mm±0.15 mm

100 mm/s

Pitch±8°±0.02°

6°/sPowered Rotational (d)±80° nominal±0.02°

6°/sMaximum Velocity available with dynamic option*

Maximum Velocity available with dynamic option*

The SPMM 5000e is supplied as a two or fourwheel station machine. Both machines havethe same footprint, allowing the two wheel
version to be upgraded to a four wheel version
simply by adding additional hardware. The initialinvestment in the two wheel station machine ispreserved.

SPMM 5000e

Exceptional Accuracy by Design

The SPMM 5000e delivers unrivalled and proven measurement
accuracy. A class-leading calibration approach provides the reassurance
that today’s industry demands.

Wheel Position Measurement

Wheel Force Measurement

The Dynamic Arm gives
exceptionally accurate
measurement of wheel centre
motion. A fully traceable calibration
process proves all stated accuracies
and cross-talk performances, at
frequencies up to 5Hz.

High quality Kistler piezo-electric,
multi component load cells
accurately measure the forces
and moments applied to eachwheel.

Accuracy Like No Other
Accuracy Like No Other
Cross-talkDynamic Arm - Accuracy		Sub range*Accuracy

Maximum Cross-talk(0 - 5 Hz)		Resolution

Linear tolinear

0.003 mm/mm

Fore/aft (FX) or Lateral (FY)

0.001°

Linear torotation

0.0004 mm/°

Vertical (FZ)

±0.005°0.001°±0.01°

0.003°

Rotation tolinear

0.015 °/mm

Rotation torotation

0.003 °/°

Fore/aft (X) & Lateral (Y)±10 mm

±0.02 mm0.005 mm

Vertical (Z)±10 mm

±0.02 mm0.005 mm

Steer

±1°

±0.004°

Camber±1°

Wheel Spin±30°

Accuracy Like No Other
Contact AB Dynamics for full range accuracy.

*Cross-talkWheel Force Measurement Accuracy

Steer Moment (MZ)

Calibrated Range

Accuracy±1750 N

±5 N

±15000 N±30 N

0 - > 5000 N±5 N

0 - > 30000 N±30 N±500 Nm±1 Nm±750 Nm±2 Nm

Maximum Cross-talk
Load to load

< ±0.1%

FX or FY to MZ < ±0.0004 Nm/N
FZ to MZ

< ±0.0001 Nm/NSPMM 5000e

30 Minute Change Over
Switching from K&C
to MIMS test modetakes less than 30
minutes. The moving
body platform allows modechange with the vehicle loaded.
The procedure is quick andsimple compared to competitor
systems.

Exceptional Accuracy by Design

The Moment of Inertia Measurement System (MIMS)
quickly and accurately determines the vehicle’s Centre ofGravity and Moments of Inertia.

Moments of Inertia Measurement
Moments of Inertia Measurement
Unrivalled Accuracy

Measurement System

The MIMS design maximises signal
to noise ratio by using the moving
body platform to apply large motions.
The significant forces generated areaccurately measured close to thevehicle using specially selected load cells
within the clamp assembly.

The vehicle, or an assembly, is fixed tothe SPMM 5000e centre table by four
special MIMS clamps. The forces andmoments generated in the clamps areaccurately measured and then used
to calculate the vehicle C of G andMoments of Inertia.

MIMS Accuracy
MIMS clamp assembly withmulti axis piezo-electric loadcell.

Accuracy

Moments of Inertia Measurement
Centre of gravity height± 2 mm*Centre of gravity horizontal position± 0.5 % of the clamp separation

Roll and Pitch inertias±1%

Yaw inertia±1.5 %± 2mm or 0.5% of measured value to table face (whichever is the greater).

*

SPMM 5000e

Exceptional Accuracy by Design

The SPMM 5000e can be configured according tobudget and requirements. A comprehensive rangeof upgrades and options to enhance capacity andtest capabilities are available.

Options and Upgrades
Options and Upgrades
Flexible Configuration
The SPMM 5000e design philosophy
makes upgrading after initial installation
straightforward. Measures taken include:
making the footprint of the two wheel
station machine the same as thefour wheel station machine, ensuring
sufficient capacity in the control cabinets,

the inclusion of electrical components
required by future upgrades, andthe supply of wide loading ramps asstandard. The available options aredesigned to enhance the capacity,
productivity or testing capabilities of theSPMM 5000e. Capacity may be

increased by the provision of Large
Table Extenders, Centre Table Spine
Extenders and Large Diameter Rear
Turntable Adaptors. Productivity is
increased by the addition of Rear
Wheel Stations. Testing capability isenhanced by options such as MIMS,

Options and Upgrades

Wheel Substitutes, Dynamic Testing,
Hardware in the Loop, and the Body
Displacement Measurement System.
A sample of the available options isshown opposite.

Hardware In the Loop (HiL)The RMMD

HiL testing capability allows vehicle behaviourmeasured on the SPMM 5000e to be used as
feedback in vehicle handling models.

The Rigidity Matrix Measurement Device(RMMD) enables forces and moments tobe applied at the wheel centre in order todetermine the vehicle’s stiffness matrix.

WPMS Options

The Wheel SubstituteDepending on required measurement accuracy,either the Draw Wire or the higher specification
Dynamic Arm Wheel Position Measurement
System (WPMS) is supplied.

The Wheel Substitute enables key wheel centre
compliance parameters to be determined.

Model Generators

Castor and Body Measurements

The model generators export data directly into
CarSim or CarMaker models. These options areused with AB Dynamics’ MATLAB based Post
Processing.

During tests servo inclinometers are available forcastor angle measurement. Camera systems canbe used to measure vehicle body, chassis andsuspension system displacements.

Large Table Extenders

Rear Turntable Adaptors

With the large table extenders fitted, themaximum vehicle wheelbase is increased to4540mm.

The diameter of the rear turntable is increased
to 600mm by adaptors that enable vehicles withtwin wheels on the rear axle to be tested.

Calibration Tools

Spare Input and Output Channels

Devices include: the Force calibrator, theAligning Torque (Mz) Calibrator, the Wheel
Position Measurement System Checker, theSteering Robot calibration device and the MIMS
calibration mass.

Additional encoder inputs, as well as CAN andanalogue input and output channels, can besupplied. Powerful digital signal conditioning ofinput channels is available allowing a large rangeof transducers to be used.

SPMM 5000e

Exceptional Accuracy by DesignSPMM 5000e - Dynamic Arm Variant*

WLength (L)7415 mm*Width (W)4570 mm*

Height (H)2460 mm

Ground Plane Height (G)1530 mmElectrical Power

3 phase | 30 kVA peak | 15 kVA continuous

Compressed Air

7 Bar | 1.6 litres/second peak | 0.005 litres/second average

Other variants available*HL

GThe SPMM 4000 and SPMM 5000 are in service at many leading manufacturers
and their suppliers worldwide. With the SPMM 5000e, AB Dynamics has
combined the knowledge gained during 20+ years of K&C testing, with amodern EtherCAT control system that has the power, flexibility and speed
needed for the next generation of vehicle K&C testing.