1. State Key Laboratory of Tribology, Department of Mechanical EngineeringTsinghua University Beijing China
2. Beijing Lab of Precision/Ultra‐Precision Manufacture Equipment and ControlTsinghua University Beijing China
3. College of Mechanical Engineering and Applied Electronics TechnologyBeijing University of Technology Beijing China
4. China Academy of Railway Sciences Corporation LimitedLocomotive and Car Research Institute Beijing China
5. Logistics Engineering CollegeShanghai Maritime University Shanghai China
6. State Key Laboratory of Reliability and Intelligence of Electrical Equipment, College of Mechanical EngineeringHebei University of Technology Tianjin China