Type- and task-crossing energy management for fuel cell vehicles with longevity consideration: A heterogeneous deep transfer reinforcement learning framework

Ruchen Huang, Hongwen He, Qicong Su, Martin Härtl and Malte Jaensch

Applied Energy, 2025, vol. 377, issue PC, No S0306261924019779

Abstract: The recent advancements in artificial intelligence have promoted deep reinforcement learning (DRL) as the preferred method for developing energy management strategies (EMSs) for fuel cell vehicles (FCVs). However, the development of DRL-based EMSs is a time-consuming process, requiring repetitive training when encountering different vehicle types or learning tasks. To surmount this technical barrier, this paper develops a transferable EMS rooted in heterogeneous deep transfer reinforcement learning (DTRL) across both FCV types and optimization tasks. Firstly, a simple source EMS based on the soft actor-critic (SAC) algorithm is pre-trained for a fuel cell sedan, solely focusing on hydrogen saving. After that, a heterogeneous DTRL framework is developed by integrating SAC with transfer learning, through which both heterogeneous deep neural networks and experience replay buffers can be transferred. Subsequently, the source EMS is transferred to the target new EMS of a fuel cell bus (FCB) to be reused, with additional consideration of the fuel cell (FC) longevity. Experimental simulations reveal that the heterogeneous DTRL framework expedites the development of the new EMS for FCB by 90.28 %. Moreover, the new EMS achieves a 7.93 % reduction in hydrogen consumption and suppresses FC degradation by 63.21 %. By correlating different energy management tasks of FCVs, this article both expedites the development and facilitates the generalized application of DRL-based EMSs.

Keywords: Heterogeneous deep transfer reinforcement learning; Fuel cell vehicle; Soft actor-critic; Energy management strategy; Fuel cell longevity (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1016/j.apenergy.2024.124594

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