HIL test bench with climatic chamber for rear-axle steering systems


  • 开发、优化和保障后桥转向系统的功能
  • 在 HiL 复合型系统中并在气候条件下分析性能参数和调节质量
  • 模拟和保障后桥转向系统在故障场景中的特性
  • 高度自动化的 HiL 行驶和放行试验以及耐久性试验


    Test bench architecture and modules


    • Mechatronic integration of rear-axle steering systems,
      e.g. via
      • Flexibly adjustable and close-to-application mechanical fi xtures for different types of rear-axle steering systems
      • Integration of control devices, sensors and fi eldbus systems (CAN, FlexRay)
      • Integration of test item and vehicle models
    • Hydraulic actuator to test different forces and positions
      • Counter force: ± 12 ... ± 25 kN
      • Stroke: ± 150 ... 300 mm
      • Adjustment speed: 500 ... 1000 mm / s


    • Powerful simulation of vehicle electrical systems incl. energy recovery
    • Cut-off relay adaptor for highly automated simulations of electrical failures
    • Metrology to record
      • Control and power signal currents of the specimen actuator and ECU
      • Forces, positions, angles, torques and temperatures
    • Models and interface with real-time hardware (e.g. MATLAB / Simulink, dSpace)
    • Robust design for functional tests and deployment in a testing environment