1. School of Aeronautics and Astronautics, Central South University, 410083 Hunan, People’s Republic of China
2. Department of Automatic Control and Systems Engineering, University of Sheffield, Sheffield, England S1 3JD, United Kingdom
3. College of Electrical and Information Engineering, Hunan University, 410082 Hunan, People’s Republic of China
4. College of Aerospace Science and Engineering, National University of Defense Technology, 410073 Hunan, People’s Republic of China