1. Key Laboratory of Autonomous Systems and Networked Control, Ministry of Education, the School of Automation Science and Engineering, and the Unmanned Aerial Vehicle Systems Engineering Technology Research Center of Guangdong,, South China University of Technology, Guangzhou, China
2. College of Mechanical and Electronic Engineering, China University of Petroleum, Qingdao, Shandong, China
3. Department of Automation, Shanghai Jiao Tong University, Shanghai, China