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    • 11. 发明授权
    • Power steering system and method of influencing the damping of a power steering system
    • 动力转向系统及影响动力转向系统阻尼的方法
    • US08041481B2
    • 2011-10-18
    • US12141460
    • 2008-06-18
    • Klaus Roth
    • Klaus Roth
    • B62D5/04B62D5/06B62D6/00
    • B62D5/0466B62D5/06B62D6/008
    • A power steering system is disclosed herein that includes an electronic control unit that determines a set-point value for a damping moment in the power steering system. The system also includes a first sensor connected to the control unit and operable to determine a sign of a steering angle. The sign of the steering angle refers to a clockwise angle from dead center being designated as positive or negative and a counter-clockwise angle from dead center being assigned the other designation. The system also includes a second sensor connected to the control unit and operable to determine the sign of a steering wheel angular velocity. The sign of the steering wheel angular velocity refers to movement of the steering wheel in the clockwise direction being designated as positive or negative and movement in the counter-clockwise direction being assigned the other designation. The control unit can establish the set-point value for the damping moment with a predefined first damping multiplier when the steering angle and the steering wheel angular velocity have the same sign and with a predefined second damping multiplier when the steering angle and the steering wheel angular velocity have different signs.
    • 本文公开了一种动力转向系统,其包括确定动力转向系统中的阻尼力矩的设定值的电子控制单元。 该系统还包括连接到控制单元并且可操作以确定转向角的符号的第一传感器。 转向角的标志是指从死点指定为正或负的顺时针角度,从死点的逆时针角被指定为另一个指定。 该系统还包括连接到控制单元的第二传感器,并可操作以确定方向盘角速度的符号。 方向盘角速度的符号是指方向盘沿顺时针方向的运动被指定为正或负,并且沿逆时针方向的运动被指定为另一个指定。 当转向角和方向盘角速度具有相同符号时,控制单元可以利用预定义的第一阻尼乘数建立用于阻尼力矩的设定值,并且当转向角和方向盘角度 速度有不同的迹象。