1. College of Mathematics and Systems Science Shandong University of Science and Technology Qingdao China
2. School of Automation Nanjing University of Science and Technology Nanjing China
3. Department of Electrical Engineering Lakehead University Thunder Bay ON Canada
4. College of Electrical Engineering and Automation Shandong University of Science and Technology Qingdao China
5. Institute of Complexity Science Qingdao University Qingdao China