The invention discloses a fuel cell hybrid power heavy truck layered energy management method and system. The method comprises the steps that the whole vehicle required power of an electric vehicle is obtained; considering the performance degradation of the multi-stack fuel cells and the performance degradation of the power cells, and constructing a fuel cell hybrid power heavy truck energy consumption cost minimization function; performing conversion processing on the fuel cell hybrid power heavy truck energy consumption cost minimization function, and performing solving through a depth deterministic strategy gradient algorithm to obtain a power distribution scheme of a multi-stack fuel cell and a power distribution scheme of a power cell; and power distribution is carried out through a virtual droop control method, and fuel cell hybrid power heavy truck layered energy management is completed. According to the embodiment of the invention, layered energy management can be carried out on the fuel cell hybrid power heavy truck, and reasonable power distribution among multiple energy sources of the fuel cell hybrid power heavy truck is realized. The method can be widely applied to the technical field of fuel cell electric vehicle energy management.
本申请公开了一种燃料电池混合动力重卡分层能量管理方法及系统,方法包括:获取电动汽车的整车需求功率;考虑多堆燃料电池的性能衰退与动力电池的性能衰退,构建燃料电池混合动力重卡能耗成本最小化函数;将燃料电池混合动力重卡能耗成本最小化函数进行转换处理并通过深度确定性策略梯度算法进行求解,得到多堆燃料电池的功率分配方案与动力电池的功率分配方案;通过虚拟下垂控制方法进行功率分配,完成燃料电池混合动力重卡分层能量管理。本申请实施例能够对燃料电池混合动力重卡进行分层能量管理,实现燃料电池混合动力重卡多个能量源之间功率的合理分配。本申请可以广泛应用于燃料电池电动汽车能量管理技术领域。
Layered energy management method and system for fuel cell hybrid power heavy truck
一种燃料电池混合动力重卡分层能量管理方法及系统
29.11.2024
Patent
Elektronische Ressource
Chinesisch
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