The invention provides a vehicle engine shutdown control method, a motor controller and a readable storage medium. The method comprises the steps that the motor controller judges whether a cylinder deactivation instruction is received or not, and judges whether the rotating speed of a generator is smaller than or equal to a first preset rotating speed or not; when the motor controller receives thecylinder deactivation instruction and the rotating speed of the generator is smaller than or equal to a first preset rotating speed, state information of an engine is obtained, and the real-time position of an in-cylinder piston of the engine is calculated according to the state information of the engine; the motor controller controls the generator to operate, and the real-time position of the piston in the cylinder is adjusted to the target position through position closed-loop control. According to the embodiment of the invention, the piston position of the engine is directly used as a control object, so that the engine stop position control precision is greatly improved.

    本发明提供了一种车辆发动机停机控制方法、电机控制器及可读存储介质,所述方法包括:所述电机控制器判断是否接收到停缸指令,以及判断所述发电机的转速是否小于或等于第一预设转速;所述电机控制器在接收到所述停缸指令且所述发电机的转速小于或等于第一预设转速时,获取发动机的状态信息,并根据所述发动机的状态信息计算所述发动机的缸内活塞的实时位置;所述电机控制器控制所述发电机运行,通过位置闭环控制将所述缸内活塞的实时位置调整至目标位置。本发明实施例通过直接将发动机的活塞位置为控制对象,从而大大提高了发动机停机位置控制精度。


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    Titel :

    Vehicle engine shutdown control method, motor controller and readable storage medium


    Weitere Titelangaben:

    车辆发动机停机控制方法、电机控制器及可读存储介质


    Beteiligte:
    YANG XINGXING (Autor:in)

    Erscheinungsdatum :

    2021-03-19


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion



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