The invention relates to an engine shutdown control method and device, computer equipment and a storage medium. The method comprises the steps that when an engine enters the shutdown process, the rotating speed of the engine is controlled to be a preset speed, the crankshaft angle of the engine is monitored, and when it is monitored that the crankshaft angle of the engine is larger than a current crankshaft angle threshold value, the current shutdown torque is calculated according to the preset speed and the equivalent inertia of the engine in the last shutdown process, the current crankshaft angle threshold value is determined according to the target crankshaft angle and the accumulated value of the crankshaft angle in the last shutdown process, the equivalent inertia of the engine in the last shutdown process is determined according to the shutdown torque in the last shutdown process and the engine torque, and the generator is controlled to output the current shutdown torque. And controlling the engine to stop at the target crankshaft angle. By means of the method, the engine can be stopped at the target crankshaft angle at the stop position under different engine friction resistance states.

    本申请涉及一种发动机停机控制方法、装置、计算机设备和存储介质。方法包括:在发动机进入停机过程时,控制发动机转速为预置速度,监测发动机的曲轴角度,当监测到发动机的曲轴角度大于当前曲轴角度阈值时,根据预置速度以及上一次停机过程中发动机的等效惯量,计算当前停机扭矩,其中,当前曲轴角度阈值为通过目标曲轴角度以及上一次停机过程中曲轴角度的累计值确定的,上一次停机过程中发动机的等效惯量为通过上一次停机过程中的停机扭矩以及发动机扭矩确定的,控制发电机输出当前停机扭矩,以控制发动机停在目标曲轴角度。采用本方法能够在不同的发动机摩擦阻力状态下均能将发动机的停机位置停在目标曲轴角度。


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    Title :

    Engine shutdown control method and device, computer equipment and storage medium


    Additional title:

    发动机停机控制方法、装置、计算机设备和存储介质


    Contributors:

    Publication date :

    2024-07-26


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F02D CONTROLLING COMBUSTION ENGINES , Steuern oder Regeln von Brennkraftmaschinen / 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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