Reinforcement Learning-Based Energy Management for Fuel Cell Electrical Vehicles Considering Fuel Cell Degradation

Qilin Shuai, Yiheng Wang, Zhengxiong Jiang and Qingsong Hua ()
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Qilin Shuai: College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China
Yiheng Wang: College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China
Zhengxiong Jiang: College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China
Qingsong Hua: College of Nuclear Science and Technology, Beijing Normal University, Beijing 100875, China

Energies, 2024, vol. 17, issue 7, 1-19

Abstract: The service life and fuel consumption of fuel cell system (FCS) are the main factors limiting the commercialization of fuel cell electric vehicles (FCEV). Effective energy management strategies (EMS) can reduce fuel consumption during the cycle and prolong the service life of FCS. This paper proposes an energy management strategy based on the deep reinforcement learning (DRL) algorithm, deep Q-learning (DQL). Considering the unstable performance of conventional DQL during the training process, a new algorithm called Double Deep Q Learning (DDQL) is introduced. The DDQL uses a target evaluation network to evaluate output actions and a delayed update strategy to improve the convergence and stability of DRL. This article trains the strategy using UDDS cycle, tests it using combined cycles UDDS-WLTC-NEDC, and compares it with traditional ECM-based EMS. The results demonstrate that under the combined cycle, the strategy effectively reduced FCS voltage degradation by 50%, maintained fuel economy, and ensured consistency between the initial and final state of charge ( SOC ) of LIB.

Keywords: FCEV; energy management system; deep reinforcement learning; degradation; DDQL algorithm (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
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