1. Department of Automation, Shanghai Jiao Tong University, Shanghai, China
2. Key Laboratory of Aviation Medical Engineering, PLA, Beijing, China
3. School of Information Engineering, Nanchang University, Nanchang, China
4. School of Instrument Science and Engineering, Southeast University, Nanjing, China
5. State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, China