Advanced Electric Power Conversion Laboratory
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Contact

Name: Minfan Fu

Email:fumf@shanghaitech.edu.cn

Address:

School of Info. Science and Tech.

ShanghaiTech University

Room 534, SIST Building 3

393 Middle Huaxia Road

Pudong, Shanghai 201210

Tel: +86-021-20684455


Congratulations! A journal paper is accepted by TIE.

R. He, P. Zhao, G. Ning, K. Yue, Y. Liu, and M. Fu*, “Optimal Driving and Loading Scheme for Multiple-Receiver Inductive Power Transfer Systems", IEEE Transactions on Industrial Electronics, early access.


Abstract: An inductive power transfer system is able to charge multiple receivers (RXs) through a single transmitter. In order to develop suitable control methods, this paper explores and compares the influence of driving current and loading resistance on the efficiency and power distribution. It starts from a simple system with equal coupling and then extends the discussion to a general one. With proper simplification, an optimization problem is defined to derive several important factors, including the optimal driving current, optimal loading resistance, and the corresponding optimized efficiency under various application constraints. In the final experiments, the dynamic tuning of driving current is able to maximize the system efficiency to 92.1% for a general three-RX system. In another customized system with equal coupling, the maximum error between the achieved efficiency and the real maximum efficiency is 0.8% through the calculation-based current control.