1. Department of Control Science and Engineering, University of Shanghai for Science and Technology, Shanghai 200093, China.
2. College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China (e-mail: guoliang.wei1973@gmail.com)
3. School of Software and Electrical Engineering, Swinburne University of Technology, Melbourne, VIC 3122, Australia.
4. College of Science, University of Shanghai for Science and Technology, Shanghai 200093, China.