ENERGY MANAGEMENT STRATEGY FOR FUEL CELL SHIP BASED ON ADAPTIVE EQUIVALENT ENERGY MINIMIZATION

Xu Xiaoyan; Cao Wei; Han Bing

doi:10.19912/j.0254-0096.tynxb.2023-1800

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Acta Energiae Solaris Sinica ›› 2025, Vol. 46 ›› Issue (3) : 108-115. DOI: 10.19912/j.0254-0096.tynxb.2023-1800

ENERGY MANAGEMENT STRATEGY FOR FUEL CELL SHIP BASED ON ADAPTIVE EQUIVALENT ENERGY MINIMIZATION

Xu Xiaoyan¹, Cao Wei¹, Han Bing^2,3

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Abstract

In order to realize the real-time adjustment of the equivalence factor in the equivalent consumption minimization strategy, an energy management strategy based on adaptive equivalent energy minimization is proposed. Firstly, an optimal equivalent factor extraction method based on multiple swarm adaptive cooperative particle swarm optimization algorithms is designed, which is structured as a two-layer optimization. In the upper-layer optimization, the optimal operation trajectories of the fuel cell system and the energy storage system are solved with the objective functions of minimizing the operating cost of the ship and minimizing the error between the final charge and the initial charge of the energy storage system; In the lower level optimization, the optimization model of the equivalence factor is established to extract the distribution of the optimal equivalence factor. Then, a neural network model with system state parameters as inputs and equivalent factors as outputs is established. The neural network model is trained using the optimal equivalent factors as training samples. Finally, the neural network model is combined with the equivalent energy minimization strategy to realize the real-time adjustment of the equivalence factor. A simulation model of the ship hybrid energy system is built in Matlab/Simulink to verify the energy management strategy based on adaptive equivalent energy minimization. The simulation results show that the final charge of the energy storage system is closer to the initial charge and the total hydrogen consumption is reduced by 1.98% compared with the equivalent energy minimization strategy based on a constant equivalence factor.

Key words

fuel cell ship / energy management strategy / equivalent factor / neural network / multiple swarms self-adaptive and cooperative particle swarm optimization algorithm

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Xu Xiaoyan, Cao Wei, Han Bing. ENERGY MANAGEMENT STRATEGY FOR FUEL CELL SHIP BASED ON ADAPTIVE EQUIVALENT ENERGY MINIMIZATION[J]. Acta Energiae Solaris Sinica. 2025, 46(3): 108-115 https://doi.org/10.19912/j.0254-0096.tynxb.2023-1800

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