The invention discloses a fault processing method and system for a motor controller of an electric vehicle, and belongs to the field of vehicle safety. The method comprises the steps that a motor controller carries out fault diagnosis to obtain fault signals and carries out grading processing on the fault signals, and the fault grades comprise a first-level fault, a second-level fault and a third-level fault; judging the running state of the current vehicle; when the current vehicle is in a driving state, obtaining a corresponding fault level according to the fault signal; when the current vehicle is in a parking or charging state, fault levels corresponding to all fault signals are set as first-level faults; and according to the corresponding fault level, the motor controller executes a corresponding fault action. Based on fault grading processing, the application scenes are further refined, and the motor controller is controlled to execute different actions according to different application scenes, so that the vehicle safety and the user experience are improved.

    本发明公开了一种电动汽车电机控制器故障处理方法及系统,属于车辆安全领域。所述方法包括:电机控制器进行故障诊断以获取故障信号,并对所述故障信号进行分级处理,故障等级包括一级故障、二级故障、三级故障;判断当前车辆的运行状态;在当前车辆处于行驶状态时,根据所述故障信号得到对应的故障等级;在当前车辆处于驻车或充电状态时,将所有故障信号对应的故障等级都置为一级故障;根据对应的故障等级,所述电机控制器执行相应的故障动作。本发明基于故障分级处理,进一步细化应用场景,根据应用场景不同控制电机控制器执行不同的动作,从而提升车辆安全及用户体验感。


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    Title :

    Electric vehicle motor controller fault processing method and system


    Additional title:

    一种电动汽车电机控制器故障处理方法及系统


    Contributors:
    QIAN ZHAOGANG (author) / WANG JINQIAO (author) / HANG MENGXUN (author)

    Publication date :

    2025-05-02


    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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