The internal temperature of Li-ion batteries for electric or hybrid vehicles is an important factor influencing their ageing. Generally not measured, it can be reconstructed from an external measurement and a model. This paper presents the simplified modelling of heat transfers in a battery module, leading to a Linear Parameter-Varying (LPV) model. Then, a polytopic observer is proposed to estimate the cell temperature and internal resistance, ensuring a tradeoff between the convergence speed and the noise of the estimated states. Experimental results show the good quality of the estimation and the diagnosis potential offered by internal resistance reconstruction.


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    Titel :

    An observer looks at the cell temperature in automotive battery packs


    Beteiligte:
    Debert, Maxime (Autor:in) / Colin, Guillaume (Autor:in) / Bloch, Gerard (Autor:in) / Chamaillard, Yann (Autor:in)

    Erschienen in:

    Control Engineering Practice ; 21 , 8 ; 1035-1042


    Erscheinungsdatum :

    2013


    Format / Umfang :

    8 Seiten, 21 Quellen




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Print


    Sprache :

    Englisch




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