1. Anhui Engineering Laboratory of Human-Robot Integration System and Intelligent Equipment, School of Electrical Engineering and Automation, Anhui University, Hefei, China
2. Information Materials and Intelligent Sensing Laboratory of Anhui Province, Anhui University, Hefei, China
3. Discipline of Engineering and Energy, Murdoch University, Perth, WA, Australia
4. School of Automation, Southeast University, Nanjing, China
5. Department of Mechanical and Automation Engineering, CUHK T Stone Robotics Institute and Shun Hing Institute of Advanced Engineering, The Chinese University of Hong Kong, Hong Kong