Energy management strategy (EMS) is the key for improving the fuel economy of the plug-in hybrid electric bus (PHEB). Some of the current studies mainly concentrate on reducing fuel consumption but do not fully consider the influence of the thermal dynamics of the vehicle motor. In order to solve the shortage of this research, a predictive EMS considering electromagnetic thermal control is proposed in this article. First, integrated with the actual working conditions and environment, the distribution of the loss of the main part of the motor under two extreme working conditions, namely, low-speed overload and high speed, is studied. Then, the motor thermal model is built to study the maximum temperature variation rule in the actual operating condition. Finally, the motor thermal model is combined with the model predictive control (MPC) strategy based on Pontryagin’s minimum principle (PMP) strategy to ensure fuel economy and avoid motor overheating. The research results have guiding significance for the improvement and design of subsequent EMSs considering the influencing factors of motor temperature rise.


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    Title :

    A Predictive PMP Strategy for Plug-In Hybrid Electric Buses Considering Motor Thermal Characteristics and Loss Distribution


    Contributors:
    Zhang, Xinhua (author) / Yang, Liu (author) / Sun, Xiaodong (author) / Jin, Zhijia (author) / Xue, Mingzhou (author)


    Publication date :

    2024-03-01


    Size :

    11986761 byte




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English




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