Li-ion battery-packs modeling based on joint time-frequency analysis for vehicle applications

In this paper a modeling procedure based on joint time-frequency analysis is presented. In this way, the parameters of the electrical circuit include the different time constants that affect the transient response of the battery-packs. The model has been experimentally validated by means of a hardware-in-the-loop (HIL) simulation. Simulations results show that the model presents consistent accuracy to reproduce the voltage response of the battery-pack at different driving cycles.

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