E-mail: shungang_xu@ 163.comShun-Gang Xu was born in Chongqing, China, in 1975. He received the M.S. degree from University of Electronic Science and Technology of China (UESTC), Chengdu, in 2003. He is currently pursuing the Ph.D. degree with School of Electrical Engineering, Southwest Jiaotong University. His research interests include DSP-based control, high power converters, and power electronic circuits. Jian-Ping Xu was born in Yunnan Province, China, in 1963. He received the Ph.D. degree from UESTC in 1989. He is the professor with School of Electrical Engineering, Southwest Jiaotong University. His research interests include switching power converters, DC-DC converters, and power electronic circuits. Tai-Qiang Cao was born in Sichuan Province, China, in 1969. He received the M.S. degree from UESTC in 2002. He is currently pursuing the Ph.D. degree with School of Electrical Engineering, Southwest Jiaotong University. His research interests include power electronic circuits, switching power supply, and photovoltaic power generation.