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Energy management strategy for fuel cell hybrid energy storage ships
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Xiaojun HUANG1, 2, Lei SHANG1, 2, Hui CHEN1, 2
Navigation of China | 2025, 48(3) : 82 - 89
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Navigation of China | 2025, 48(3): 82-89
• Ship and Ocean Engineering Equipment •
Energy management strategy for fuel cell hybrid energy storage ships
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Xiaojun HUANG1, 2, Lei SHANG1, 2, Hui CHEN1, 2
Affiliations
  • 1.Key Laboratory of High Performance Ship Technology of Ministry of Education, Wuhan University of Technology, Wuhan 430063, China
  • 2.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China
Published: 2025-09-25 doi: 10.3969/j.issn.1000-4653.2025.03.010
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In view of the slow response speed of fuel cells, which limits their ability to promptly respond to dynamic power loads, a composite energy storage power supply is employed to address this issue. Using wavelet transform technology, the steady component of the load is allocated to the fuel cell, while the fluctuating portion is assigned to the composite power supply. Based on Pontryagin's minimum principle, an energy management strategy is formulated with the supercapacitor's energy as the state variable, the output power of the lithium battery as the control variable, and the root mean square current of the lithium battery as the cost function. A simulation model of the ship power system is built in Matlab/Simulink to validate the proposed energy management strategy. The results demonstrate that the proposed control strategy enables stable output power from the fuel cell and achieves rational power distribution according to the charge-discharge characteristics, capacity, and current state of charge of both the supercapacitor and the lithium battery. Compared to hybrid ships without supercapacitors and traditional fixed filter strategies, the proposed approach reduces the rate of current change in the lithium battery and extends the service life of the fuel cell and lithium battery.

hybrid ship  /  energy management  /  wavelet transform  /  Pontryagin's minimum principle
Xiaojun HUANG, Lei SHANG, Hui CHEN. Energy management strategy for fuel cell hybrid energy storage ships[J]. Navigation of China, 2025 , 48 (3) : 82 -89 . DOI: 10.3969/j.issn.1000-4653.2025.03.010
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Year 2025 volume 48 Issue 3
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Article Info
doi: 10.3969/j.issn.1000-4653.2025.03.010
  • Receive Date：2024-10-11
  • Online Date：2026-03-17
  • Published：2025-09-25
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  • Received：2024-10-11
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Affiliations
    1.Key Laboratory of High Performance Ship Technology of Ministry of Education, Wuhan University of Technology, Wuhan 430063, China
    2.School of Naval Architecture, Ocean and Energy Power Engineering, Wuhan University of Technology, Wuhan 430063, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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