1. School of Vehicle and Mobility, Tsinghua University, 30 Shuangqing Rd., Beijing, 100084, China
2. School of Aerospace, Cranfield University, Cranfield, UK
3. Friedrich List” Faculty of Transport and Traffic Sciences, Technische Universität Dresden, Dresden, Germany
4. Department of Mechanical and Mechatronics Engineering, University of Waterloo, Waterloo, Canada