1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing Univ. of Aeronautics and Astronautics, Nanjing 210016, China.
2. Professor, State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing Univ. of Aeronautics and Astronautics, Nanjing 210016, China (corresponding author).
3. Researcher, Key Laboratory of Unmanned Aerial Vehicle Technology, Nanjing Univ. of Aeronautics and Astronautics, Nanjing 210016, China.
4. Professor, State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing Univ. of Aeronautics and Astronautics, Nanjing 210016, China.