1. School of Mechanical and Electrical Engineering, Beijing Institute of Technology, Beijing, China
2. School of Mechanical and Electrical Engineering, Beijing Institute of Technology (BIT), Beijing, China
3. Chinese Academy of Sciences, Shenyang Institute of Automation, Shenyang, China
4. Science and Technology on Electromechanical Dynamic Control Laboratory, Xi’an Institute of Electromechanical Information Technology, Xi’an, China