1. Tianjin University,School of Electrical and Information Engineering,Tianjin,China
2. Hubei University of Automotive Technology,School of Electrical and Information Engineering,Shiyan,China
3. University of Engineering and Technology, Lahore,Department of Electrical Engineering,Lahore,Pakistan
4. South China University of Technology,School of Electric Power,Guangzhou,China
5. Tianjin University,School of Electrical and Electronic Information, Control Engineering,Tianjin,China
6. Wuhan University,School of Electrical Engineering and Automation,Wuhan,China