HIL test bench for EPS steering systems
应用领域
- 开发、优化和保障 EPS 转向系统的功能
- 在 HiL 复合型系统中分析性能参数和调节质量
- 模拟和保障 EPS 转向系统在故障场景中的特性
- 高度自动化的 HiL 行驶及放行试验
Test bench architecture and modules
- Mechatronic integration of EPS steering systems,
e.g. via- Flexibly adjustable and close-to-application mechanical fi xtures for different types of EPS steering systems
- Integration of control devices, sensors and fi eldbus systems (CAN, FlexRay)
- Integration of test item and vehicle models
- Linear actuator to test variable forces and positions
- Counter force: ± 12 … ± 25 kN
- Stroke: ± 150 ... 300 mm
Adjustment speed: 500 … 750 mm / s - Force and position control
- Highly dynamic and accurate servo drives for steering purposes
- Torques: ± 35 … ± 160 Nm
- Steering rate: ± 2100 ° / s
- Angle and torque control
- Powerful simulation of vehicle electrical systems incl. energy refeed
- 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) - Compact dimensions and design for use in HIL labs
