Abstract：In order to accurately detect the practical work capacity of battery for the emission car,a kind of Kalman algorithm based on soft-sensing method is put forward. First of all, the battery mathematical model is established, then, the soft-sensing model is built with selecting measurable, easy measurement auxiliary variables and Kalman algorithm; and then, the soft-sensing model is attained with historical test data and the parameter identification method. Finally, the model is simulated by the Matlab software and tested field. The results show that soft-sensing technique with Kalman algorithm reduces the current cumulative error of battery in the process of application, and improves the battery capacity detection accuracy.
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2014, Vol. 35 
