1. Yanshan University,School of Mechanical Engineering,Qinhuangdao,China
2. Chongqing Robotics Institute,Chongqing,China
3. Shenzhen Institute of Advanced Technology,Shenzhen,China
4. Shenzhen Zhaowei Machinery & Electronics Co..Ltd.,Shenzhen,China
5. Midea Group Corporate Research Center,Motors and Drives Center,Foshan,China