Dianguo Xu Dianguo Xu received the M.S and Ph.D degrees in electrical engineering from Harbin Institute of Technology (HIT), Harbin, China, in 1984 and 1989, respectively. In 1989, he joined the Department of Electrical Engineering, HIT, as an Assistant Professor, where he has been a Professor since 1994. He was the Dean of School of Electrical Engineering and Automation HIT, from 2000 to 2010. He is currently the Vice President of HIT. His current research interests include renewable energy power conversion technology, multi-terminal HVDC system based on MMC, power quality mitigation, speed sensorless vector-controlled motor drives, and high performance PMSM servo system. Prof. Xu is the winner of 2018 IEEE Industry Applications Society Outstanding Achievement Award. He was promoted as a fellow of IEEE for the contribution to control of electrical drives and power electronic converters. He was general chair of ICEMS 2019 and IEEE ITEC Asia-Pacific 2017, TPC chair of IPEMC 2012-ECCE Asia and VPPC 2008. He has published over 600 journal papers, 4 book chapters, and held 63 patents. He received the prize paper awards from IEEE Transactions on Power Electronics in 2018 and 2019, and best papers awards from the conferences of ICEMS 2019, ITEC Asia-Pacific 2018, ITEC Asia-Pacific 2017, ICEMS 2014, PCIM Asia 2014, IPEMC 2012-ECCE Asia and LSMS & ICSEE 2010. He is an Associate Editor for the IEEE Transactions on Industrial Electronics, IEEE Transactions on Power Electronics and IEEE Journal of Emerging and Selected Topics in Power Electronics. He is the Chairman of the IEEE Harbin Section, the vice president of China Electrotechnical Society (CES). Yueshi Guan Yueshi Guan was born in Heilongjiang Province, China, in 1990. He received the B.S., M.S. and PH.D. degrees in electrical engineering from Harbin Institute of Technology, China, in 2013, 2015 and 2019, respectively. Since 2019, he has been an associate professor with the Department of Electrical and Electronics Engineering, Harbin Institute of Technology. His research interests are in the areas of high frequency and very high frequency converters, single-stage AC/DC converter, and LED lighting systems. Prof. Guan has authored more than 40 conference and journal papers. He received Nomination Award of Young Engineer Award of PCIM Asia Conference in 2019, the Second Prize Paper Award from IEEE Transactions on Power Electronics, as well as Best Paper awards of ICEMS 2019, SPEED 2019, ITEC Asia-Pacific 2017. He also served as the special session Chair of IEEE ICEMS 2019 conference. Yijie Wang Yijie Wang was born in Heilongjiang Province, China, in 1982. He received the B.S., M.S. and PH.D. degrees in electrical engineering from Harbin Institute of Technology, China, in 2005, 2007 and 2012, respectively. From 2012 to 2017, he was a lecturer and associate professor with the Department of Electrical and Electronics Engineering, Harbin Institute of Technology. Since 2017, he has been a professor with the Department of Electrical and Electronics Engineering, Harbin Institute of Technology. His interests include DC-DC converters, soft-switching power converters, power factor correction circuits, digital control electronic ballasts, LED lighting systems. He received prize paper awards from IEEE Transactions on Power Electronics in 2018 and 2019, and best paper awards of ITEC Asia-Pacific 2017, ITEC Asia-Pacific 2018, ICEMS 2018 and 2019. Dr. Wang is an Associate Editor of the IEEE Transactions on Industrial Electronics, IEEE Journal of Emerging and Selected Topics in Power Electronics, IEEE Access, IET Power Electronics and Journal of Power Electronics. Xiangjun Zhang Xiangjun Zhang was born in Shandong Province, China, in 1971. He received the B.S. degree in welding from Xi'an Jiaotong University, Xian, China, in 1993; the M.S. degree in welding from the Harbin Welding Institute, Harbin, China, in 1999; and the Ph.D. degree in electrical engineering from the Harbin Institute of Technology, Harbin, in 2006. From 2006 to 2013, he was a Lecturer in the Department of Electrical and Electronics Engineering, Harbin Institute of Technology, where he has been an Associate Professor since 2013. His research interests include the areas of electronic ballast, power factor correction circuits, high-power converters, and light emitting diode lighting systems.
