1. State Key Laboratory for Manufacturing System Engineering, at Xi'an Jiaotong University, No. 28 Xianning West Road, Xi'an, Shaanxi 710049, China
2. School of Mechanical Engineering, University of Birmingham, Edgbaston, Birmingham, B15 2TT, UK
3. Beijing University of Aeronautics & Astronautics, No. 37 Xueyuan Road, Beijing 100191, China
4. Zhengzhou University, No. 100 Science Road, Zhengzhou, Henan 450001, China
5. Zhongyuan University of Technology, No. 41 Zhongyuan Road, Zhengzhou, Henan 450007, China