Steering Test Benches

Validating electromechanical steering systems

For testing electromechanical power steering components up to complete steering systems, dSPACE offers scalable systems ranging from small and compact rotary test benches up to large, high-performance steering test benches. 

  • Analyzing the behavior of a real steering system in a virtual vehicle
  • Real-time simulation with mechatronic test rig, dSPACE HIL simulator and Vehicle Dynamics model
  • Reproduceability of tests with high precision

Key Benefits

The dSPACE test bench allows you to create a test environment for running virtual test drives to evaluate and analyze the real steering system with different control and function algorithms at an early stage.

This means that even before vehicle integration, requirements on the steering feel and the sense of safety can be evaluated objectively and subjectively. Great advantages are the high reproducibility and adaptability of tests, and the broad range of uses for the test bench.

The dSPACE portfolio for steering test benches ranges from small and compact rotary test benches to large high-performance steering test benches using linear actuators for applications that require maximum dynamics and precision. 

Steering Test Benches with Rotary Motors  

 

Parameter Power Pack Load Motor Steering Robot
Motor
  • Synchronous motor without transmission
  • Synchronous motor without transmission
Motor encoder
  • Absolute motor feedback system (multiturn)
  • Absolute motor feedback system (multiturn)
Servo amplifier
  • KEBA ServoOne
  • KEBA ServoOne
dSPACE Real-Time Interface
  • TWINsync
  • TWINsync
Control strategy torque
  • Forward control (motor current)
  • Forward control (motor current)
Control strategy position
  • Cascade control with subsidiary speed and torque control
  • Cascade control with subsidiary speed and torque control
Maximum continuous torque [Nm]
  • 10
  • 50
Maximum short time torque [Nm]
  • 14
  • 60
Maximal speed [rpm]
  • 6000
  • 500

 

Steering Test Benches with Linear Motors

Parameter Rack Actuator
Motor
  • Synchronous linear motor
Motor encoder
  • Absolute motor feedback system
Servo amplifier
  • KEBA ServoOne
dSPACE Real-Time Interface
  • TWINsync
Control strategy force
  • Overlay feedback control (force transducer and disturbance variable compensation)
Control strategy position
  • Cascade control with subsidiary velocity and force control
Maximum continuous force [N]
  • 20000
Maximum short term force [N]
  • 25000
Maximal velocity [m/s]
  • 1.0
Maximal displacement [mm]
  • ±160

Uses Cases for HIL Simulation with a Steering Test Bench

dSPACE offers a comprehensive portfolio for testing complex electromechanical steering systems. The scalable systems range from small rotary test benches to large test benches for testing a complete steering system.
  • Customized Mechatronic Test Benches Product Information, PDF, English, 1431 KB
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