1. Anhui Engineering Laboratory of Human-Robot Integration System and Intelligent Equipment, School of Electrical Engineering and Automation, Anhui University, Hefei, People's Republic of China
2. Discipline of Engineering and Energy, Murdoch University, Murdoch, Western Australia, Australia
3. Department of Automatic Control, Robotics and Fluid Technique, Faculty of Mechanical and Civil Engineering, University of Kragujevac, Kraljevo, Serbia
4. Key Laboratory of Advanced Process Control for Light Industry (Ministry of Education), Institute of Automation, Jiangnan University, Wuxi, People's Republic of China
5. Key School of Electronic Information and Electrical Engineering, Chengdu University, Chengdu, People's Republic of China