1. School of Mechanical Engineering, Hefei University of Technology, Hefei, China
2. Anhui Key Laboratory of Digital Design and Manufacturing, Hefei University of Technology, Hefei, China
3. School of Artificial lntelligence, Anhui University, Hefei, China
4. Engineering Research Center of Autonomous Unmanned System Technology, Ministry of Education, Anhui University, Hefei, China
5. Anhui Provincial Engineering Research Center for Unmanned System and Intelligent Technology, Anhui University, Hefei, China
6. The George W. Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, GA, USA