The invention discloses a fuel cell automobile energy management method based on a whale optimization algorithm, and relates to the technical field of new energy automobiles, and the method comprises the steps: constructing a fuzzy logic controller which uses the motor demand power and the power cell charge state as the input, and uses the fuel cell demand power as the output; smoothing the required power of the fuel cell through an SG filtering algorithm to obtain output power of the fuel cell, wherein the output power of the power cell is a difference value between the required power of the motor and the output power of the fuel cell; establishing an equivalent hydrogen consumption mathematical model of the vehicle, and defining an expression of the equivalent hydrogen consumption mathematical model as a fitness function of the whale optimization algorithm; and acquiring a membership function contained in the fuzzy logic controller, and optimizing the membership function by using a whale optimization algorithm to obtain a proper energy management strategy. According to the invention, great power fluctuation of the fuel cell is reduced, the durability of the fuel cell is improved, the equivalent hydrogen consumption is reduced, and the economical efficiency is improved.

    本发明公开了一种基于鲸鱼优化算法的燃料电池汽车能量管理方法,涉及新能源汽车技术领域,包括:构建模糊逻辑控制器,模糊逻辑控制器以电机需求功率和动力电池荷电状态为输入,以燃料电池需求功率为输出,通过SG滤波算法对燃料电池需求功率进行平滑处理得到燃料电池输出功率,动力电池的输出功率即为电机需求功率和燃料电池输出功率的差值;建立车辆的等效氢耗量数学模型,将等效氢耗量数学模型的表达式定义为鲸鱼优化算法的适应度函数;获取模糊逻辑控制器内部所包含的隶属度函数,利用鲸鱼优化算法对隶属度函数进行优化,得到合适的能量管理策略。本发明利于减少燃料电池的功率大幅波动,提高燃料电池耐久性,并减小等效氢耗量,提高经济性。


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    Title :

    Fuel cell automobile energy management method based on whale optimization algorithm


    Additional title:

    一种基于鲸鱼优化算法的燃料电池汽车能量管理方法


    Contributors:
    LI WEI (author) / WANG SHUOWEN (author) / SUN CHUANWEN (author)

    Publication date :

    2023-07-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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