1. School of Electrical Engineering and Automation, Tianjin University, Tianjin 300072, China
2. Department of Computer & Electrical Engineering and Computer Science, California State University, Bakersfield, CA 93311, USA
3. State Key Laboratory of Robotics, Shenyang Institute of Automation, Shenyang, Liaoning 110016, China
4. Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, Guangdong, China
5. Department of Math and Computer Science, West Virginia State University, 5000 Fairlawn Ave, Institute, WV 25112, USA
6. Intelligent Fusion Technology, Inc., Germantown, MD 20876, USA