1. Anhui Engineering Laboratory of Human Robot Integration System and Intelligent Equipment, School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China.
2. Discipline of Engineering and Energy, Centre for Water, Energy and Waste, Harry Butler Institute, Murdoch University, Murdoch, WA 6150, Australia.
3. School of Artificial Intelligence, Anhui University, Hefei 230601, China.
4. Anhui Engineering Laboratory of Human Robot Integration System and Intelligent Equipment, School of Electrical Engineering and Automation, Anhui University, Hefei 230601, China, and also with the Information Materials and Intelligent Sensing Laboratory of Anhui Province, Hefei 230601, China