1. School of Mechanical Engineering, Yangzhou University, Yangzhou, Jiangsu, China
2. Ningbo Geely Automobile Research and Development Co. Ltd, Ningbo, Zhejiang, China
3. Guangxi Key Laboratory of Manufacturing System & Advanced Manufacturing Technology, Nanning, Guangxi, China
4. State Key Laboratory of Mechanical Transmissions, Chongqing University, Chongqing, China