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    • 26. 发明授权
    • Rear wheel steering control system
    • 后轮转向控制系统
    • US08670900B2
    • 2014-03-11
    • US12705561
    • 2010-02-12
    • Takashi Nishioka
    • Takashi Nishioka
    • B62D6/00G05D3/00
    • B62D17/00B60G7/003B60G17/0165B60G2200/462B60G2202/42B60G2204/62B60G2206/1116B60G2400/821B60G2500/40B60G2800/162B60G2800/962B62D7/146
    • In a rear wheel steering control system for a vehicle, a rear wheel steering control unit (53) forces the toe angle of each rear wheel (3rl, 3rr) to a substantially neutral position or a slightly toe-in position when a road condition estimating unit (63) has detected a rough road surface. Thereby, when the vehicle is traveling over a rough road surface, the actuator is forced to the neutral position, and the rear wheels are brought to a neutral position so that the changes in the wheel geometry (tread and/or alignment) of the rear wheels at the time of a bump or a rebound can be avoided. Therefore, the ride quality of a vehicle equipped with the rear wheel steering control system is favorably maintained even when the vehicle is traveling over a road surface, and the rear wheels undergo large vertical displacements.
    • 在用于车辆的后轮转向控制系统中,后轮转向控制单元(53)在道路状态估计时迫使每个后轮(3rl,3rr)的脚趾角度处于基本上中立的位置或略微靠近的位置 单元(63)检测到路面粗糙。 因此,当车辆在粗糙路面上行驶时,致动器被迫到达中立位置,并且后轮处于中间位置,使得后轮的车轮几何形状(胎面和/或对准)的变化 可以避免在碰撞或反弹时的轮子。 因此,即使当车辆行驶在路面上时,配备有后轮转向控制系统的车辆的行驶质量也被有利地保持,并且后轮经历大的垂直位移。