Abstract

The establishment of an accurate battery model is crucial to the design and research of battery and battery management system. This paper takes 180Ah LiFePO4 as research object, adopts PNGV model to describe the working characteristics of the battery,establishes PNGV simulation model in MATLAB/Simulink, recognizes the model parameters based on the experiment of HPPC pulse, verifies the accuracy of model in different conditions. The results show that PNGV model can show the dynamic characteristic of battery well.

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