The invention relates to a fuel cell automobile energy management method considering dynamic response of a fuel cell, which comprises the following steps of: establishing a vehicle power system model, and acquiring a maximum variable load power value table corresponding to different powers of the fuel cell; establishing a dynamic planning algorithm, and limiting the optimization range at the next moment to be within the maximum variable load power value range according to the power value at the current moment in the establishment process; selecting a plurality of standard working conditions, sequentially inputting the standard working conditions into the model to obtain the required power of the whole vehicle, and obtaining the optimal output power of the fuel cell and the storage battery through a dynamic programming algorithm so as to construct an optimal data set; performing neural network training by adopting the optimal data set; and inputting actual working conditions into the neural network to obtain a power distribution result of the fuel cell and the storage battery. Compared with the prior art, the method has the advantages that the dynamic response performance of the fuel cell can be reflected more accurately, so that the energy management strategy better fits the dynamic performance of the fuel cell automobile, and the economical efficiency and durability are further improved.

    本发明涉及一种考虑燃料电池动态响应的燃料电池汽车能量管理方法,包括:建立车辆整车动力系统模型,获取燃料电池在不同功率下对应的最大可变载功率值表;建立动态规划算法,建立过程中根据当前时刻的功率值,限制下一时刻的寻优范围为最大可变载功率值范围内;选择多个标准工况,依次输入模型中,获得整车需求功率,并通过动态规划算法获得燃料电池和蓄电池最优输出功率,以此构建最优数据集;采用最优数据集进行神经网络训练;以实际工况输入神经网络中,得到燃料电池与蓄电池的功率分配结果。与现有技术相比,本发明可以更加准确地反映燃料电池的动态响应性能,使能量管理策略更加贴合燃料电池汽车的动态性能,进一步提高经济性和耐久性。


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    Titel :

    Fuel cell automobile energy management method considering dynamic response of fuel cell


    Weitere Titelangaben:

    一种考虑燃料电池动态响应的燃料电池汽车能量管理方法


    Beteiligte:
    GAO YUAN (Autor:in) / LIANG BOWEN (Autor:in) / WANG ZIHENG (Autor:in) / WANG TIANWEN (Autor:in) / LIU HAO (Autor:in) / ZHANG TONG (Autor:in)

    Erscheinungsdatum :

    2024-02-27


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / G06N COMPUTER SYSTEMS BASED ON SPECIFIC COMPUTATIONAL MODELS , Rechnersysteme, basierend auf spezifischen Rechenmodellen



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