The invention discloses a torque precision determination method and device for a hybrid power system and a vehicle, and the method comprises the steps: obtaining the relation data between the engine reference torque precision and the motor torque precision when the hybrid power system meets a preset first self-adaptive enabling condition, obtaining relational data between the torque precision of the target torque reference point of the engine and the reference torque precision of the engine when the hybrid power system meets a preset second self-adaptive enabling condition; according to the relational data of the engine reference torque precision and the motor torque precision, the relational data of the engine target torque reference point torque precision and the engine reference torque precision and the motor torque precision, the torque precision of any required torque is obtained; the torque precision of the required torque of the hybrid power system under different torque components can be obtained, so that the clutch can perform corresponding compensation on the torque according to the torque precision of the hybrid power system, and control errors caused by difference change of the indicated torque and the real torque are reduced.

    本发明公开一种混合动力系统的扭矩精度确定方法、装置及车辆,所述方法包括获取混合动力系统在满足预设第一自适应使能条件时的发动机基准扭矩精度与电机扭矩精度的关系数据,获取混合动力系统在满足预设第二自适应使能条件时的发动机目标扭矩参考点扭矩精度与发动机基准扭矩精度的关系数据,进而根据发动机基准扭矩精度与电机扭矩精度的关系数据、发动机目标扭矩参考点扭矩精度与发动机基准扭矩精度的关系数据和电机扭矩精度,得到任意需求扭矩的扭矩精度,其能获得不同扭矩成分下的混合动力系统的需求扭矩的扭矩精度,以使得离合器能够根据混合动力系统的扭矩精度对扭矩进行相应的补偿,减小由于指示扭矩和真实扭矩的差异变化而带来的控制误差。


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    Titel :

    Torque precision determination method and device of hybrid power system and vehicle


    Weitere Titelangaben:

    混合动力系统的扭矩精度确定方法、装置及车辆


    Beteiligte:
    WU XIAOJUN (Autor:in) / XIONG JIE (Autor:in) / LI WEI (Autor:in) / DENG YUNFEI (Autor:in) / LIU XUEWU (Autor:in)

    Erscheinungsdatum :

    2023-05-09


    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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