1. University of Electronic Science and Technology of China,School of Mechanical and Electrical Engineering,Chengdu,China
2. State Grid Hefei Electric Power Supply Company,Hefei,China
3. Wuhan University,School of Electrical Engineering and Automation,Wuhan,China
4. State Grid Mianyang Electric Power Supply Company,Mianyang,China
5. UESTC,School of Automation Engineering,Chengdu,China
6. State Grid Sichuan Economic Research Institute,Chengdu,China
7. UESTC,School of Mechanical and Electrical Engineering,Chengdu,China