In this paper, an inductor multiplexing equalization for Li-ion battery is designed. Compared with the typical inductor equalization circuit, it can reduce the number of inductors and circuit volume. Then, a fuzzy controller based on balancing time and loss is designed. Simulation experiments on typical inductor equalization circuit and inductor multiplexing equalization circuit are carried out. The simulation results show that the inductor multiplexing equalization circuit based on the fuzzy control strategy has faster equalization speed and higher equalization accuracy.

Lithium battery equalization; Fuzzy control; Multiplexing inductor