1. College of Automation Science and Technology, South China University of Technology, Guangzhou, People's Republic of China
2. Key Laboratory of Autonomous Systems and Networked Control, Ministry of Education, Guangzhou, People's Republic of China
3. Unmanned Aerial Vehicle Systems Engineering Technology Research Center of Guangdong, South China University of Technology, Guangzhou, People's Republic of China
4. Key Laboratory of System Control and Information Processing, Ministry of Education, Shanghai, People's Republic of China