1. School of Electrical Engineering and Automation, Hefei University of Technology, Hefei, China
2. Discipline of Engineering and Energy, Murdoch University, Perth, WA, Australia
3. School of Electrical Engineering and Automation, Chongqing University, Chongqing, China
4. School of Computer, Data and Mathematical Sciences, Western Sydney University, Penrith, NSW, Australia
5. Department of Automation, Shanghai Jiao Tong University, Shanghai, China