The invention provides a hybrid electric vehicle energy management control method based on DMPC, comprising the following steps: S1, collecting driving information of a hybrid electric vehicle, the driving information comprising position, speed and torque information of a current vehicle in a driving queue; s2, constructing a nonlinear motorcade control model, and predicting the predicted demand torque of the hybrid electric vehicle at the next moment based on the driving information; s3, constructing a demand torque optimization model, and determining an optimal demand torque based on the predicted demand torque; and S4, constructing an EF-DQL energy distribution model, inputting the optimal demand torque into the EF-DQL energy distribution model to determine the motor optimal torque and the engine optimal torque of the hybrid electric vehicle under the optimal demand torque, and controlling the power system of the hybrid electric vehicle to work according to the engine optimal torque and the motor optimal torque. The energy of the vehicles can be analyzed and managed according to the queue state of the vehicles, the reasonable torque distribution of the hybrid electric vehicle can be effectively improved, and therefore the fuel economy of the hybrid electric vehicle is effectively improved.

    本发明提供的一种基于DMPC的混合动力汽车能量管理控制方法,包括以下步骤:S1.采集混合动力汽车的行车信息,所述行车信息包括当前车辆在行车队列中的位置、速度和转矩信息;S2.构建非线性车队控制模型,并基于行车信息预测下一时刻混合动力汽车的预测需求转矩;S3.构建需求转矩优化模型,并基于预测需求转矩确定出最优需求转矩;S4.构建EF‑DQL能量分配模型,将最优需求转矩输入至EF‑DQL能量分配模型中确定出混合动力汽车在最优需求转矩下电机最优转矩以及发动机最优转矩,并依据发动机最优转矩和电机最优转矩控制混合动力汽车的动力系统工作,通过上述方法,能够根据车辆的队列状态对车辆的能量进行分析、管理,能够有效提升混合动力汽车的转矩合理分配,从而有效提升混合动力汽车的燃油经济性。


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    Title :

    Hybrid electric vehicle energy management control method based on DMPC


    Additional title:

    基于DMPC的混合动力汽车能量管理控制方法


    Contributors:
    YIN YANLI (author) / HUANG XUEJIANG (author) / YANG JIANJUN (author) / ZHAN SEN (author) / WANG FUZHEN (author) / ZHANG XINXIN (author) / ZHANG FUCHUN (author)

    Publication date :

    2023-03-14


    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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