No-Load Steering Test Bench

The setup demonstrated here enables developers to drive a steering system in closed-loop mode for integration tests of the complete vehicle. No real loads of the road have to be simulated for these integration tests. The setup is therefore small, compact, and cost-effective, but thanks to its flexible structure, it can simulate a wide range of vehicle platforms. Angle gears make it possible to use multiple steering angle sensors in parallel, reducing the time needed for modifying the setup.


  • No-load steering test bench for electromechanical power steering
    • Servomotor on the steering column (C-EPS)
    • Servomotor on the steering box (R-EPS)
  • Synchronous motor for simulating the driver torque and the steering wheel position
  • Position sensor on the steering rod
  • Prepared for virtual test drives thanks to the seamless integration into the ASM Vehicle Dynamics Model
  • Equipped with all interfaces needed for integration in a full-vehicle HIL simulator
  • Dimensions: 4.0 m x 1.5 m x 1.8 m (approx. 9.8 x 3.3 x 7.2 ft)
  • Weight: approx. 900 kg (approx. 1,984 lb)
  • Connected load: 8 kW


  • Numerous turn-key projects for OEMs in Europe

Load motors:

Motor Characteristics
Motor Synchronous motor without transmission
Motor encoder HIPERFACE® motor feedback system
Servo amplifier LTI Servo One
Control strategy torque Forward control (motor current)
Control strategy position Cascade control with subsidiary speed and torque control (no controller on dSPACE real-time hardware)
Maximum continuous torque [Nm] 24
Maximum displacement [deg] Unlimited
Maximum speed [rpm] 1000

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