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  • Open Access

    ARTICLE

    An Equivalent Fuel Consumption Minimizing Strategy for Fuel Cell Ships Considering Power Degradation

    Diju Gao, Shuai Li*

    Energy Engineering, Vol.122, No.4, pp. 1425-1442, 2025, DOI:10.32604/ee.2025.062101 - 31 March 2025

    Abstract To safeguard the ocean ecosystem, fuel cells are excellent candidates as the primary energy supply for marine vessels due to their high efficiency, low noise, and cleanliness. However, fuel cells in hybrid power systems are highly susceptible to load transients, which can severely damage fuel cells and shorten their lifespan. Therefore, the formulation of energy management strategies accounting for power degradation is crucial and urgent. In this study, an improved strategy for equivalent consumption minimization strategy (ECMS) considering power degradation is proposed. The improved energy control strategy effectively controls the energy distribution of hydrogen fuel… More > Graphic Abstract

    An Equivalent Fuel Consumption Minimizing Strategy for Fuel Cell Ships Considering Power Degradation

  • Open Access

    ARTICLE

    Adaptive Sliding Mode Control Method for Onboard Supercapacitors System

    Yanzan Han1,*, Hang Zhou1, Zengfang Shi1, Shuang Liang2

    Computer Systems Science and Engineering, Vol.40, No.3, pp. 1099-1108, 2022, DOI:10.32604/csse.2022.017741 - 24 September 2021

    Abstract Urban rail trains have undergone rapid development in recent years due to their punctuality, high capacity and energy efficiency. Urban trains require frequent start/stop operations and are, therefore, prone to high energy losses. As trains have high inertia, the energy that can be recovered from braking comes in short bursts of high power. To effectively recover such braking energy, an onboard supercapacitor system based on a radial basis function neural network-based sliding mode control system is proposed, which provides robust adaptive performance. The supercapacitor energy storage system is connected to a bidirectional DC/DC converter to More >

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