A temperature fluctuation suppression control method of fuel cell vehicles to reduce hydrogen consumption

Donghai Hu, Wenshuo Hou, Zhaoxu Cheng, Chunxiao Feng, Dagang Lu, Fengyan Yi, Qingqing Yang, Jianwei Li and Jing Wang

Energy, 2024, vol. 305, issue C

Abstract: During the driving of the fuel cell vehicles, temperature fluctuations occur in the Proton Exchange Membrane Fuel Cell (PEMFC), whose output efficiency decreases and hydrogen consumption increases. Rule-based (RB) and proportional-integral-derivative (PID) controllers can roughly suppress the temperature fluctuation, but they cannot perform multi-objective optimization, which cannot reduce hydrogen consumption at the same time. To solve this problem, in the first step of this paper, the hydrogen consumption factor and the temperature fluctuation factor in the operating temperature control are introduced to design the DDQN controller. In the second step of this paper, the DDQN controller is trained offline and verified under simulation conditions. The simulation results show that compared with the RB controller and PID controller, the average temperature fluctuation of the DDQN controller is reduced by 27.27 % and 28.50 %, and the hydrogen consumption is saved by 1.78 % and 2.58 %, respectively. The research in this paper is innovative in that it reduces the hydrogen consumption of PEMFC and improves the driving range of fuel cell vehicles from a specific point of view.

Keywords: Fuel cell vehicle; Proton exchange membrane fuel cell; Temperature fluctuation; Hydrogen consumption (search for similar items in EconPapers)
Date: 2024
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Persistent link: https://EconPapers.repec.org/RePEc:eee:energy:v:305:y:2024:i:c:s0360544224021522

DOI: 10.1016/j.energy.2024.132378

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