1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory of Fundamental Science for National Defense-Advanced Design Technology of Flight Vehicle, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, Jiangsu 210016, China.
2. Professor, State Key Laboratory of Mechanics and Control of Mechanical Structures, Key Laboratory of Fundamental Science for National Defense-Advanced Design Technology of Flight Vehicle, Nanjing Univ. of Aeronautics and Astronautics, Nanjing, Jiangsu 210016, China (corresponding author).