1. Changchun University of Technology,School of Mechatronic Engineering,Changchun,China
2. Changchun University of Technology,College of Computer Science and Engineering,Changchun,China
3. Changchun University of Technology,Faculty of Mechanical and Electrical Engineering, Faculty of Mechanical and Electrical Engineering Changchun Institute of Technology,Changchun,China
4. FAW Tooling Die Manufacturing,Changchun,China