1. School of Mechanics and Safety Engineering, Zhengzhou University, P.R. China
2. National Center for International Joint Research of Micro-Nano Molding Technology, Zhengzhou University, P.R. China
3. Key Laboratory for Micro Molding Technology of Henan Province, Zhengzhou University, P.R. China
4. State Key Laboratory of Fluid Power and Mechatronic Systems, Zhejiang University, Hangzhou, P.R. China
5. School of Information Engineering, Nanyang Institute of Technology, P.R. China