The invention provides a method and a system for improving efficiency of an electric machine. Systems and methods for commanding an electric drive system of an electric or hybrid vehicle are described. In one example, the drive system is commanded by a controller that supplies a pulsed torque command that varies in frequency as a function of time when a driver of the vehicle requests a constant driver demand torque.

    本公开提供了“用于提高电机效率的方法和系统”。描述了用于命令电动车辆或混合动力车辆的电驱动系统的系统和方法。在一个示例中,所述驱动系统由控制器命令,当车辆的驾驶员请求恒定的驾驶员需求扭矩时,所述控制器供应频率根据时间而变化的脉冲扭矩命令。


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    Title :

    Method and system for improving motor efficiency


    Additional title:

    用于提高电机效率的方法和系统


    Contributors:
    WOLF CHRIS (author) / DEGNER MICHAEL (author) / NIE YUE (author)

    Publication date :

    2024-08-02


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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