1. State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China.
2. State Key Laboratory of Advanced Design and Manufacturing for Vehicle Body, College of Mechanical and Vehicle Engineering, Hunan University, Changsha 410082, China, and also with the Wuxi Intelligent Control Research Institute of Hunan University, Wuxi 214115, China.
3. School of Automation, Central South University, Changsha 410083, China.