1. College of Information Science and Engineering, Northeastern University, Shenyang, Liaoning, China
2. School of Electrical and Information Engineering, Changsha University of Science and Technology, Changsha, Hunan, China
3. Midea Group, Foshan, Guangdong, China
4. School of Robotics, Hunan University, Changsha, Hunan, China
5. State Key Laboratory of Industrial Control Technology, College of Control Science and Engineering, Zhejiang University, Hangzhou, Zhejiang, China