1. School of Mechanical Engineering and Automation, Northeastern University, Shenyang, P.R. China
2. Department of Electromechanical Engineering, University of Macau, Taipa, Macau, P.R. China
3. Automotive Engineering Institute, Guangzhou Automobile Group Co., LTD, Guangzhou, P.R. China
4. School of Mechanical and Automotive Engineering, South China University of Technology, Guangzhou, P.R. China