The invention discloses a hybrid electric vehicle and an energy management method and device thereof, and the energy management method of the hybrid electric vehicle comprises the steps: obtaining the actual SOC of a power battery, and determining the target SOC of the power battery; determining a working mode of the hybrid electric vehicle; according to the working mode of the hybrid electric vehicle, the actual SOC and the target SOC, the working mode of an engine is determined, and torque distribution is conducted on the engine and a motor; and controlling the engine and the motor according to the working mode of the engine and the torque distribution result. Therefore, the dynamic control function of the engine and the motor is realized, and the engine and the motor both work in the most efficient working range, so that the energy utilization efficiency of the automobile is improved, and the oil-electricity double-drop function of the hybrid electric automobile is realized.

    本发明公开了一种混合动力汽车及其能量管理方法和能量管理装置,混合动力汽车的能量管理方法包括:获取动力电池的实际SOC,并确定动力电池的目标SOC;确定混合动力汽车的工作模式;根据混合动力汽车的工作模式、实际SOC和目标SOC确定发动机的工作模式,并对发动机和电动机进行扭矩分配;根据发动机的工作模式和扭矩分配结果对发动机和电动机进行控制。由此,实现了对发动机和电动机的动态控制功能,使发动机和电动机均工作于最高效的工作区间,从而提高了汽车的能量利用效率,实现了混合动力汽车的油电双降功能。


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    Title :

    Hybrid electric vehicle and energy management method and energy management device thereof


    Additional title:

    混合动力汽车及其能量管理方法和能量管理装置


    Contributors:
    ZHU YONGLONG (author) / LIU JING (author) / QIN JUNCHAO (author) / CONG QIANG (author) / LIU FANG (author)

    Publication date :

    2023-03-21


    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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