1. College of Aerospace Engineering, Nanjing University of Aeronautics and Astronautics, Nanjing, People’s Republic of China
2. School of Mathematics and Statistics, Jiangsu Normal University, Xuzhou, People’s Republic of China
3. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, Nanjing, People’s Republic of China