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    • 77. 发明申请
    • SYSTEMS AND METHODS FOR DECOUPLING STEERING RACK FORCE DISTURBANCES IN ELECTRIC STEERING
    • 解决方向转向系统的方法
    • US20100268422A1
    • 2010-10-21
    • US12426463
    • 2009-04-20
    • Michael Alan BlommerPaul George SandersHongtei Eric TsengDexin Wang
    • Michael Alan BlommerPaul George SandersHongtei Eric TsengDexin Wang
    • B62D6/00
    • B62D5/0472B62D6/008
    • A system for decoupling steering rack force disturbances in electric steering may comprise a steering wheel angle sensor, a yaw rate sensor, a lateral acceleration sensor, and a steering torque sensor. The system may also comprise a tire force generator configured to receive signals from the steering wheel angle sensor, the yaw rate sensor, and the lateral acceleration sensor and send a reference rack force to a controller. The system may further comprise a rack force observer configured to receive signals from the steering torque sensor and send an estimated rack force to the controller, wherein the controller is configured to receive signals from the tire force generator and the rack force observer, compare the estimated rack force with the reference rack force to determine a rack force disturbance, and adjust an auxiliary torque based on the rack force disturbance.
    • 用于解耦电动转向中的转向齿条力干扰的系统可以包括方向盘角度传感器,偏航角速度传感器,横向加速度传感器和转向扭矩传感器。 该系统还可以包括轮胎力发生器,其被配置为从方向盘角度传感器,横摆率传感器和横向加速度传感器接收信号,并向控制器发送参考齿条力。 系统还可以包括齿轮力观察器,其被配置为从转向扭矩传感器接收信号并向控制器发送估计的齿条力,其中控制器被配置为从轮胎力发生器和齿条力观察器接收信号, 齿条力与参考齿条力确定齿条力的干扰,并根据齿条力的扰动调整辅助扭矩。