The invention discloses an engine control method of a hybrid power vehicle, a medium, a controller and a vehicle, the hybrid power vehicle comprises an engine and an ISG motor, the method comprises the steps that in response to the shutdown requirement of the engine, the engine is controlled to reduce torque, and the rotating speed of the engine is stabilized at the idling minimum power generation rotating speed through the ISG motor; and when the torque of the engine is reduced to zero and the time when the rotating speed of the engine is stabilized at the minimum idling power generation rotating speed reaches first preset time, the ISG motor is controlled to pull and stop the engine. The method has the advantages that the engine rotating speed control response before shutdown is quick, the engine rotating speed change during shutdown is controllable, and the system state is stable.

    本发明公开了一种混合动力车辆的发动机控制方法及介质、控制器、车辆,混合动力车辆包括发动机和ISG电机,该方法包括:响应于发动机的停机需求,控制发动机进行降扭,并利用ISG电机将发动机的转速稳定在怠速最小发电转速;在发动机的扭矩降低至零,且发动机的转速稳定在怠速最小发电转速的时间达到第一预设时间时,控制ISG电机拉停发动机。该方法具有停机前发动机转速控制响应快速,停机时发动机转速变化可控,系统状态稳定的优点。


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    Title :

    Engine control method of hybrid power vehicle, medium, controller and vehicle


    Additional title:

    混合动力车辆的发动机控制方法及介质、控制器、车辆


    Contributors:
    GAO JIE (author) / ZHOU SHENGHUI (author) / TANG BAIQIANG (author)

    Publication date :

    2024-07-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    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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