The invention relates to the technical field of energy management of new energy hybrid electric vehicles taking hydrogen energy as a main energy source, in particular to an intelligent energy management method for a degraded hydrogen fuel cell hybrid electric vehicle, which comprises the following steps of: establishing a hybrid electric vehicle energy management system model, and constructing an energy source performance degradation model according to an existing energy source model; an intelligent energy management learning framework of the hybrid electric vehicle based on driving data is established, multiple factors such as vehicle demand power change, lithium battery and super capacitor SoC fluctuation and energy source performance degradation are integrated into an energy management strategy framework, and the motion space dimension of a deep reinforcement learning intelligent algorithm is reduced; the fuel cell and the lithium battery are effectively protected from being influenced by peak power, and by means of the powerful self-learning capability of the deep reinforcement learning intelligent algorithm, the performance degradation of the energy source can be slowed down to the maximum extent on the basis of ensuring the optimal fuel economy of the whole vehicle.
本发明涉及以氢能源为主的新能源混合动力汽车能量管理技术领域,具体为涉及退化的氢燃料电池混合动力汽车智能能量管理方法,通过建立混合动力汽车能量管理系统模型,并根据已有的能量源模型,构建能量源性能退化模型,搭建一种基于驾驶数据的混合动力汽车智能能量管理学习框架,将车辆需求功率变化、锂电池和超级电容SoC波动以及能量源性能退化等多重因素融入到能量管理策略框架中,本发明实现降低深度强化学习智能算法动作空间维度的同时,有效保护燃料电池和锂电池免受峰值功率的影响,借助深度强化学习智能算法强大的自学习能力可以在保证整车燃料经济性最佳的基础上,最大限度的减缓能量源性能退化。
Intelligent energy management method of hydrogen fuel cell hybrid electric vehicle involving degradation
涉及退化的氢燃料电池混合动力汽车智能能量管理方法
2023-10-03
Patent
Electronic Resource
Chinese
IPC: | B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion |
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