1. Key Laboratory of Control of Power Transmission and Conversion of Ministry of Education, Department of Electrical Engineering, School of Electronic Information and Electrical Engineering, Shanghai Jiao Tong University, Shanghai, China
2. School of Mechatronic Systems Engineering, Simon Fraser University, Surrey, BC, Canada
3. Electronic and Electrical Engineering, Shanghai University of Engineering Science, Shanghai, China
4. Electrical and Computer Engineering, University of Alberta, Canada