1. School of Mechanical Engineering, Dalian University of Technology, Dalian, Liaoning, China
2. Key Laboratory of Health Maintenance for Mechanical Equipment of Hunan Province, Hunan University of Science and Technology, Xiangtan, Hunan, China
3. School of Mechanical Engineering and Automation, Northeastern University, Shenyang, Liaoning, China
4. Department of Flight Theory, Aviation University of Air Force, Changchun, Jilin, China