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    • 2. 发明授权
    • Method and apparatus for controlling output torque of a motor for an electric vehicle in uphill mode
    • 用于控制上坡模式下的电动车辆的电动机的输出转矩的方法和装置
    • US08478467B2
    • 2013-07-02
    • US12520168
    • 2007-12-26
    • Xiaohua Tang
    • Xiaohua Tang
    • B60L15/20
    • B60L15/2018B60L15/2027B60L15/2081B60L2240/12B60L2240/423B60L2240/463B60L2240/486B60L2240/642B60L2250/26Y02T10/645Y02T10/7275Y02T10/7291Y02T90/16
    • A method and an apparatus for controlling output torque of a motor for an electric vehicle in uphill mode, the method comprises: detecting a tilt angle value U, a current vehicle speed value V and an accelerator-pedal travel value Gain of the vehicle, determining whether the vehicle is in uphill mode or not, and if the result is positive, then calculating a minimum torque T1 required for preventing the vehicle from slipping backward under the tilt angle value 0 and the current vehicle speed value V, obtaining a maximum output torque T2, calculating an output torque T of the motor based on T1, T2 and Gain, and controlling the motor to output the calculated output torque T. With the method and apparatus in accordance with the present invention, when the electric vehicle is in uphill mode, even if the accelerator-pedal travel value is zero, the vehicle will not slip backward.
    • 一种用于在上坡模式下控制电动车辆的电动机的输出转矩的方法和装置,该方法包括:检测车辆的倾斜角度值U,当前车辆速度值V和加速器踏板行驶值Gain,确定 车辆是否处于上坡模式,如果结果为正,则计算在倾斜角度值0和当前车速值V下防止车辆向后滑动所需的最小扭矩T1,获得最大输出扭矩 T2,基于T1,T2和Gain来计算电动机的输出转矩T,并且控制电动机输出计算出的输出转矩T.使用根据本发明的方法和装置,当电动车辆处于上坡模式 即使加速踏板行驶值为零,车辆也不会向后滑动。