Bo Zhang was born in Shanghai, China, in 1962. He received the B.S. degree in electrical engineering from Zhejiang University, Hanzhou, China, in 1982, the M.S. degree in power electronics from Southwest Jiaotong University, Chengdu, China, in 1988, and the Ph.D. degree in power electronics from Nanjing University of Aeronautics and Astronautics, Nanjing, China, in 1994.  He is currently a Professor and the Vice Dean in the School of Electric Power, South China University of Technology, Guangzhou, China.  He has authored or coauthored 10 books, more than 600 papers and 130 patents. His current research interests include nonlinear analysis and control of power electronics, wireless power transfer technology, and ac drives. Xujian Shu was born in Zongyang, Tongling, China, in 1993. She received the B.S. degree in electrical engineering from China University of Mining and Technology, Xuzhou, China, in 2015. She is currently a Doctor in the School of Electric Power, South China University of Technology, Guangzhou, China. She has authored 7 papers and 6 patents. Her current research interests include wireless power transfer and fractional-order calculus.