1. School of Vehicle and Mobility, Tsinghua University, Beijing, China
2. Department of Vehicle Engineering, Hefei University of Technology, Hefei, China
3. Department of Industrial and Systems Engineering, The Hong Kong Polytechnic University, Hong Kong
4. College of Mechanical and Vehicle Engineering, Chongqing University, Chongqing, China
5. Department of Mechanical Engineering, University of Alberta, Edmonton, AB, Canada