1. Professor, School of Mechanical and Automotive Engineering, South China Univ. of Technology, Guangzhou 510641, China (corresponding author).
2. Ph.D. Student, School of Mechanical and Automotive Engineering, South China Univ. of Technology, Guangzhou 510641, China.
3. M.Sc. Student, School of Mechanical and Automotive Engineering, South China Univ. of Technology, Guangzhou 510641, China.