1. State Key Laboratory of Mechanical System and Vibration, School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, China
2. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou 310027, China
3. The School of Mechanical Engineering, Nanjing University of Science and Technology, Nanjing 210094, China
4. The Shanghai Key Lab of Networked Manufacturing and Enterprise Information, Shanghai 200240, China