* Corresponding authors

^a The State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, Hunan University, Changsha, China

^b College of Mechanical and Vehicle Engineering, Hunan University, Changsha, China
E-mail: ninghu@cqu.edu.cn, huning888@hotmail.com
Fax: +86-23-65102421
Tel: +86-23-65102527

^c College of Aerospace Engineering, Chongqing University, Chongqing, China
E-mail: jyzhang@cqu.edu.cn

^d The State Key Laboratory of Mechanical Transmissions, Chongqing University, Chongqing, China

^e Department of Aerospace Engineering, Tohoku University, Sendai, Japan

^f School of Manufacturing Science and Engineering, Southwest University of Science and Technology, Mianyang, China