1. Professor, National Key Laboratory of Aerospace Flight Dynamics, and Research Center for Intelligent Robotics, School of Astronautics, Northwestern Polytechnical Univ., Xi’an 710072, China (corresponding author).
2. Engineer, North Automatic Control Technology Institute, Taiyuan 030006, China.
3. Associate Professor, National Key Laboratory of Aerospace Flight Dynamics, and Research Center for Intelligent Robotics, School of Astronautics, Northwestern Polytechnical Univ., Xi’an 710072, China.
4. Ph.D. Candidate, National Key Laboratory of Aerospace Flight Dynamics, and Research Center for Intelligent Robotics, School of Astronautics, Northwestern Polytechnical Univ., Xi’an 710072, China.
5. Lecturer, National Key Laboratory of Aerospace Flight Dynamics, and Research Center for Intelligent Robotics, School of Astronautics, Northwestern Polytechnical Univ., Xi’an 710072, China.