1. Tianjin Key Laboratory for Advanced Mechatronic System Design and Intelligent Control, School of Mechanical Engineering, Tianjin University of Technology, Tianjin, China
2. State Key Laboratory of Mechanical System and Vibration, Shanghai Jiao Tong University, Shanghai, China
3. School of Mechanical Engineering, Hebei University of Technology, Tianjin, China
4. Centre for Efficiency and Performance Engineering, University of Huddersfield, Huddersfield, U.K.