The invention provides a range extender control method and system and a storage medium. The control method comprises the steps of obtaining the target power of a range extender; determining a limitedtarget rotating speed and a limited target torque according to the current state of the vehicle and the target power; carrying out closed-loop control on the limited target rotating speed to obtain the required torque of the generator, and carrying out closed-loop control on the limited target torque to obtain the required torque of an engine; and controlling a generator according to the requiredtorque of the generator, and controlling the engine according to the required torque of the engine, so that the rotating speed of the range extender reaches the limited target rotating speed, and theoutput power of the range extender reaches the target power. According to the invention, the target rotating speed and the target torque are determined through the target power, and are respectively limited according to the current state of the vehicle, so that the comfort and safety of the vehicle are ensured, and the problem of insufficient power of the range extender caused by torque limitationis avoided.

    本发明提供了一种增程器控制方法、控制系统和存储介质,控制方法包括:获取增程器的目标功率;根据车辆当前状态以及目标功率,确定受限目标转速和受限目标扭矩;对受限目标转速进行闭环控制,以得到发电机需求扭矩,对受限目标扭矩进行闭环控制,以得到发动机需求扭矩;以及根据发电机需求扭矩控制发电机,根据发动机需求扭矩控制发动机,以使得增程器的转速达到受限目标转速以及使得增程器的输出功率达到目标功率。本发明通过目标功率确定目标转速和目标扭矩,并根据车辆当前状态分别对其进行限制,保证了车辆的舒适性和安全性,避免了由于扭矩受限导致的增程器功率不足的问题。


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    Title :

    Range extender control method and system and storage medium


    Additional title:

    增程器控制方法、控制系统和存储介质


    Contributors:
    ZHU QIAN (author) / ZHANG LEILEI (author) / XIAO PENGFEI (author)

    Publication date :

    2021-01-08


    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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