The invention discloses an energy management method for a fuel cell hybrid power system based on a DDPG algorithm, belongs to the field of fuel cell hybrid power energy management, and aims at a large freight truck, on the premise that the dynamic property of the truck is guaranteed, various costs of the freight truck are coupled into a target function through a depth deterministic strategy method, and the target function is optimized. By optimizing the output power of the fuel cell, the overall driving cost is reduced, and the efficiency of the fuel cell is effectively improved. According to the method, a DDPG algorithm model is established for a hybrid power system of a double-stack fuel cell and a lithium battery, and parameter matching is carried out on the algorithm model and a dynamic model; setting the state, action and reward of the algorithm model; an optimal target function based on driving cost is constructed for the hybrid power system, the loss of a fuel cell and a lithium battery is reduced, and the service life is prolonged.
本发明公开了一种基于DDPG算法的燃料电池混合动力系统能量管理方法,属于燃料电池混合动力能量管理领域,本发明针对大型货运卡车,在保证卡车动力性的前提下,通过深度确定性策略方法,将货运卡车的各项成本耦合为目标函数,通过对燃料电池输出功率优化,来降低整体行驶成本,并有效提高燃料电池效率。本发明针对双堆燃料电池和锂电池的混合动力系统,建立DDPG算法模型,将算法模型和动力学模型进行参数匹配;设置算法模型的状态、动作和奖励;对混合动力系统构建基于行驶成本最优目标函数,降低燃料电池和锂电池损耗,延长其寿命。
Fuel cell hybrid power system energy management method based on DDPG algorithm
一种基于DDPG算法的燃料电池混合动力系统能量管理方法
29.07.2022
Patent
Elektronische Ressource
Chinesisch
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