1. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 47854 Nanjing, Jiangsu, China, 210016 (e-mail: haobot@outlook.com)
2. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 47854 Nanjing, Jiangsu, China, 210016 (e-mail: lwang@nuaa.edu.cn)
3. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 47854 Nanjing, Jiangsu, China, 210016 (e-mail: ruifengw@nuaa.edu.cn)
4. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 47854 Nanjing, Jiangsu, China, 210016 (e-mail: nuaasyh520@outlook.com)
5. State Key Laboratory of Mechanics and Control of Mechanical Structures, Nanjing University of Aeronautics and Astronautics, 47854 Nanjing, Jiangsu, China, 210016 (e-mail: jjm@nuaa.edu.cn)
6. Department of Electromechanical Engineering, University of Macau Faculty of Science and Technology, 365328 Taipa, Macau, China, Macau (e-mail: qsxu@umac.mo)