1. College of Mechanical and Vehicle Engineering, Chongqing University, Chongqing, China
2. School of Vehicle and Mobility, Tsinghua University, Beijing, China
3. Faculty of Natural, Mathematical & Engineering Sciences, King’s College, London, U.K.
4. School of Mechanical Engineering, Beijing Institute of Technology, Beijing, China
5. Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, ON, Canada