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    • 10. 发明申请
    • STEERING SYSTEM FOR MOTOR-DRIVEN VEHICLE
    • 汽车驾驶车辆转向系统
    • US20130173119A1
    • 2013-07-04
    • US13821442
    • 2011-04-11
    • Kazuyuki Izawa
    • Kazuyuki Izawa
    • B62D6/02B62D6/00
    • B62D6/02B60L15/2036B60L2240/12B60L2240/421B62D5/0463B62D5/0484B62D6/001Y02T10/645Y02T10/72Y02T10/7275
    • An object of the present invention is to provide a steering system for a motor-driven vehicle, which has steering operability equivalent to that of a vehicle mounted with a conventional internal combustion engine only, and has steering operability equivalent to an inherent one even during the time when fail-safe control of assist of steering force is carried out. To achieve this object, in the steering system for a motor-driven vehicle including a drive motor that is a power source for the motor-driven vehicle, a motor speed sensor for detecting the speed of the drive motor, a steering system for giving a steering angle to front wheels according to the steering angle of a steering wheel, a vehicle speed sensor for detecting the speed of the motor-driven vehicle, and a power steering controller that outputs an assist amount according to the steering of a passenger based on at least one of the output signals of the motor speed sensor and the vehicle speed sensor, as the speed of the motor-driven vehicle or the speed of the drive motor increases, the assist amount is made smaller.
    • 本发明的目的是提供一种用于电动车辆的转向系统,其具有与仅安装有常规内燃机的车辆的转向操作性相当的转向操作性,并且具有等同于固有的转向操作性,即使在 执行故障安全控制转向力辅助的时间。 为了实现该目的,在包括作为电动车辆的电源的驱动电动机的电动车辆的转向系统中,用于检测驱动电动机的速度的电动机速度传感器, 根据方向盘的转向角度对前轮的转向角度,用于检测电动车辆的速度的车速传感器以及根据乘客的转向基于at输出辅助量的动力转向控制器 电动机速度传感器和车速传感器的输出信号中的至少一个随着电动车辆的速度或驱动电动机的速度的增加,辅助量变小。