1. School of Mechanics and Engineering, Southwest Jiaotong University, Chengdu 610031, People's Republic of China
2. Beijing Electro-mechanical Engineering Institute, Beijing 100074, People's Republic of China
3. Division of Dynamics and Control, School of Mathematics and Statistics, Shandong University of Technology, Zibo 255000, People's Republic of China
4. School of Astronautics, Harbin Institute of Technology, Harbin 150001, People's Republic of China