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    • 6. 发明申请
    • Quadrant dependent active damping for electric power steering
    • 用于电动助力转向的象限相关主动阻尼
    • US20080023256A1
    • 2008-01-31
    • US11495219
    • 2006-07-28
    • Geoff P. KriegerWilliam H. Wittig
    • Geoff P. KriegerWilliam H. Wittig
    • B62D5/04
    • H02P6/10B62D5/0463B62D5/0466
    • An electric power steering system includes a steering wheel, an electric assist motor operatively coupled to the steering wheel, and an electronic controller operatively coupled to the motor for receiving a first signal representative of torque applied to the steering wheel, and a second signal representative of angular velocity of the motor. The electronic controller produces an active damping motor command signal according to a function of the first and second signals. The active damping motor command signal is scaled by a first factor if the first and second signals are both positive, or if the first and second signals are both negative, to provide a scaled motor command signal. The active damping motor command signal is scaled by a second factor if the first signal is positive and the second signal is negative, or if the first signal is negative and the second signal is positive, to provide the scaled motor command signal. The scaled motor command signal is applied to the motor.
    • 电动助力转向系统包括方向盘,可操作地联接到方向盘的电动辅助马达以及可操作地耦合到马达的电子控制器,用于接收表示施加到方向盘的扭矩的第一信号,以及代表 电机的角速度。 电子控制器根据第一和第二信号的功能产生主动阻尼电机命令信号。 如果第一和第二信号均为正,或者如果第一和第二信号均为负,则主动阻尼电动机命令信号按第一因子进行比例,以提供缩放的电动机命令信号。 如果第一信号为正,第二信号为负,或第一信号为负并且第二信号为正,则主动阻尼电机指令信号按第二因子缩放,以提供缩放的电动机命令信号。 电动机的指令信号变小。
    • 7. 发明授权
    • Quadrant dependent active damping for electric power steering
    • 用于电动助力转向的象限相关主动阻尼
    • US07549504B2
    • 2009-06-23
    • US11495219
    • 2006-07-28
    • Geoff P. KriegerWilliam H. Wittig
    • Geoff P. KriegerWilliam H. Wittig
    • B62D5/04
    • H02P6/10B62D5/0463B62D5/0466
    • An electric power steering system includes a steering wheel, an electric assist motor operatively coupled to the steering wheel, and an electronic controller operatively coupled to the motor for receiving a first signal representative of torque applied to the steering wheel, and a second signal representative of angular velocity of the motor. The electronic controller produces an active damping motor command signal according to a function of the first and second signals. The active damping motor command signal is scaled by a first factor if the first and second signals are both positive, or if the first and second signals are both negative, to provide a scaled motor command signal. The active damping motor command signal is scaled by a second factor if the first signal is positive and the second signal is negative, or if the first signal is negative and the second signal is positive, to provide the scaled motor command signal. The scaled motor command signal is applied to the motor.
    • 电动助力转向系统包括方向盘,可操作地联接到方向盘的电动辅助马达以及可操作地耦合到马达的电子控制器,用于接收表示施加到方向盘的扭矩的第一信号,以及代表 电机的角速度。 电子控制器根据第一和第二信号的功能产生主动阻尼电机命令信号。 如果第一和第二信号均为正,或者如果第一和第二信号均为负,则主动阻尼电动机命令信号按第一因子进行比例,以提供缩放的电动机命令信号。 如果第一信号为正,第二信号为负,或第一信号为负并且第二信号为正,则主动阻尼电机指令信号按第二因子缩放,以提供缩放的电动机命令信号。 电动机的指令信号变小。