LÜ Hui1,2,3,ZHANG Haibiao1,3,LI Changyu3,WEI Zhengjun1†
(1.School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou 510641,China; 2.Key Laboratory of Advanced Manufacturing Technology for Automobile Parts, Ministry of Education, Chongqing University of Technology, Chongqing 400054,China; 3.School of Automobile and Traffic Engineering, Guangzhou City University of Technology, Guangzhou 510800,China)