Lithium-ion batteries have been widely used as the energy storage systems in personal portable electronics (e.g. cell phones, laptop computers), telecommunication systems, electric vehicles and in various aerospace applications. To prevent the sudden loss of power of battery-powered systems, there are various approaches to estimate and manage the battery's state of charge (SOC). In this paper, an artificial neural network–based battery model is developed to estimate the SOC, based on the measured current and voltage. An unscented Kalman filter is used to reduce the errors in the neural network-based SOC estimation. The method is validated using LiFePO4 battery data collected from the Federal Driving Schedule and dynamical stress testing.


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    Title :

    State of charge estimation for Li-ion batteries using neural network modeling and unscented Kalman filter-based error cancellation


    Contributors:


    Publication date :

    2014


    Size :

    9 Seiten, 36 Quellen




    Type of media :

    Article (Journal)


    Type of material :

    Print


    Language :

    English




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