1. School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai, P. R. China
2. State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai, P. R. China
3. Yantai Research Institute, Harbin Engineering University, Yantai, P. R. China
4. AnHui Key Laboratory of Detection Technology and Energy Saving Devices, AnHui Polytechnic University, Wuhu, P. R. China
5. China Shipbuilding Power Engineering Institute Company Limited, Shanghai, P. R. China