The invention provides a hybrid electric vehicle energy management method and system, and the method comprises the steps: building a hybrid electric vehicle kinetic model based on a to-be-tested vehicle; based on the dynamic model of the hybrid electric vehicle, obtaining the observed quantity of the to-be-measured vehicle; based on the observed quantity, controlling an engine and/or a motor of the to-be-detected vehicle to start or stop running; based on the observed quantity, obtaining a target observed quantity according to a reward function; the target observed quantity comprises a target engine torque and a target motor torque; and based on the target observed quantity, a transmitter and a motor of the to-be-tested vehicle are controlled to operate according to the target engine torque and the target motor torque, so that the problems that a deep reinforcement learning algorithm of an existing hybrid electric vehicle energy management system is long in training time, difficult in target function setting, poor in robustness and difficult in hyper-parameter setting are solved.

    本申请提供一种混合动力汽车能量管理方法及系统,所述方法包括:基于待测车辆,建立混合动力汽车动力学模型;基于所述混合动力汽车动力学模型,获取所述待测车辆的观测量;基于所述观测量,控制所述待测车辆的发动机和,或电机启动或停止运行;基于所述观测量,根据奖励函数,获取目标观测量;所述目标观测量包括:目标发动机扭矩和目标电机扭矩;基于所述目标观测量,控制所述待测车辆的发送机和电机按照目标发动机扭矩和目标电机扭矩运行,以解决目前的混合动力汽车能量管理系统的深度强化学习算法训练时间长、目标函数设置困难、鲁棒性差、超参数整定困难的问题。


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    Title :

    Hybrid electric vehicle energy management method and system


    Additional title:

    一种混合动力汽车能量管理方法及系统


    Contributors:
    TIAN HUA (author) / ZHANG XUAN'ANG (author) / WANG XUAN (author) / SHU GEQUN (author)

    Publication date :

    2024-07-23


    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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