Limited durability is one of the major issues that hinder the large-scale commercialization of the proton exchange membrane fuel cells system. Based on the prognostic technique, predicting the remaining useful life (RUL) efficiently and accurately can help prolong its residual life, especially on the long-term horizon and under different mission profiles. Thus, a data-driven approach of discrete wavelet transform-echo state network-genetic algorithm (DWT-ESN-GA) is proposed to improve the RUL prediction performance. First, the historical datasets are compressed by the DWT. Second, the approximation components of the original data are predicted in the compressed space by ESN. Rather than predicting the degradation data themselves, their shortened coefficients are evaluated to decrease the prediction data points, i.e., from 2016 data points to 253 data points. Besides, a GA is used to optimize the key parameters of ESN, and it can further increase the prediction accuracy. Finally, the inverse DWT is utilized to reconstruct the coming data based on the estimated approximation components. The performance of the proposed approach is evaluated by three different experimental tests under steady-state, quasi-dynamic, and full dynamic operating conditions separately.


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    Titel :

    Lifespan Prediction for Proton Exchange Membrane Fuel Cells Based on Wavelet Transform and Echo State Network


    Beteiligte:
    Hua, Zhiguang (Autor:in) / Zheng, Zhixue (Autor:in) / Pahon, Elodie (Autor:in) / Pera, Marie-Cecile (Autor:in) / Gao, Fei (Autor:in)


    Erscheinungsdatum :

    2022-03-01


    Format / Umfang :

    5897284 byte




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch



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