1. School of Mechanical Engineering, Shandong University, Jinan, Shandong, P.R. China
2. Key Laboratory of High Efficiency and Clean Mechanical Manufacture Shandong University, Ministry of Education, Jinan, Shandong, P.R. China
3. Introduction of Rizhao Intelligent Manufacturing Institute of Shandong University, Jinan, Shandong, P.R. China
4. Beijing Hangxing Machinery Manufacturing Company Ltd, Beijing, P.R. China