1. School of Mathematics and Physics Anhui Polytechnic University Wuhu 241000 China
2. College of Automation Harbin Engineering University Harbin China
3. College of Engineering and Science Victoria University Melbourne Australia
4. School of Electrical and Electronic Engineering University of Adelaide Adelaide 5005 SA China
5. Key Laboratory of Advanced Control and Optimization for Chemical Processes, Ministry of Education East China University of Science and Technology Shanghai 200237 China
6. Department of Mathematics Yangzhou University Yangzhou 225009 Jiangsu China