1. Harbin Institute of Technology (Shenzhen),School of Mechanical Engineering and Automation,Shenzhen,China
2. Zhuhai Gree Electric Appliance Co., Ltd and Guangdong Provincial Key Laboratory of High-speed and Energy-saving Motor System Enterprises,Zhuhai,China
3. Shanghai University of Finance and Economics Zhejiang College,Zhejiang,China
4. Harbin Institute of Technology,School of Electrical Engineering and Automation,Harbin,China