1. Department of Control Science and Engineering, University of Shanghai for Science and Technology, Shanghai, People's Republic of China
2. Department of Mathematics, Harbin University of Science and Technology, Harbin, People's Republic of China
3. Department of Mathematics, Yangzhou University, Yangzhou, People's Republic of China
4. School of Mathematics and Physics, Yancheng Institute of Technology, Yancheng, People's Republic of China
5. Department of Electrical and Computer Engineering, Faculty of Engineering, King Abdulaziz University, Jeddah, Saudi Arabia