The invention provides a power split type new energy vehicle control method which comprises the following steps: S1, traffic information of a new energy vehicle is acquired, and the traffic information comprises position and speed information of the vehicle in a vehicle queue; s2, constructing a vehicle queue model, predicting the speed at the next moment based on the vehicle queue model, and outputting an optimal speed prediction result; s3, establishing an SAC energy management model based on an expert knowledge base, inputting the optimal speed prediction result into the SAC energy management model to obtain engine demand power, and determining engine torque and rotating speed and motor torque and rotating speed based on the engine demand power. And the new energy vehicle is controlled according to the engine torque and the rotating speed and the motor torque and the rotating speed, through the method, speed planning can be conducted according to the state information of the vehicle, the power of the vehicle is distributed, and therefore the fuel economy of the power split type new energy vehicle is effectively improved.

    本发明提供的一种功率分流式新能源汽车控制方法,包括以下步骤:S1.获取新能源汽车的交通信息,所述交通信息包括车辆在车辆队列中的位置与速度信息;S2.构建车辆队列模型,并基于车辆队列模型对下一时刻的速度进行预测,并输出最优速度预测结果;S3.建立基于专家知识库的SAC能量管理模型,将最优速度预测结果输入至SAC能量管理模型中得到发动机需求功率,并基于发动机需求功率确定出发动机转矩和转速以及电机转矩和转速,并根据发动机转矩和转速以及电机转矩和转速控制新能源汽车,通过上述方法,能够根据车辆的状态信息,进行速度规划,并且对车辆的功率进行分配,从而有效提升功率分流式新能源汽车的燃油经济性。


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    Title :

    Power dividing type new energy automobile control method


    Additional title:

    功率分流式新能源汽车控制方法


    Contributors:
    WANG JUNYU (author) / ZHAN SEN (author) / QIN DATONG (author) / LIU YONGGANG (author) / XIAO YONG (author)

    Publication date :

    2024-12-06


    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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