1. School of Automation Engineering, University of Electronic Science and Technology of China, Chengdu, China
2. College of Electrical Engineering and Automation, Shandong University of Science and Technology, Qingdao, China
3. Department of Mathematics and the Key Laboratory of Advanced Manufacturing and Intelligent Technology, Ministry of Education, Harbin University of Science and Technology, Harbin, China
4. School of Science, Computing and Engineering Technologies, Swinburne University of Technology, Melbourne, VIC, Australia