ZHAO Gang1,2,LIU Jie2,3,WANG Hongxin1,2,YANG Xingfa1,2,WEN Guilin1,2,3
(1.State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body,Hunan University,Changsha 410082,China;2.College of Mechanical and Vehicle Engineering,Hunan University,Changsha 410082,China;3.School of Mechanical and Electric Engineering,Guangzhou University,Guangzhou 510006,China)