1. Key Laboratory of Hebei Province on Scale-span Intelligent Equipment Technology, School of Mechanical Engineering, Hebei University of Technology, Tianjin, China
2. State Key Laboratory of Reliability and Intelligence Electrical Equipment, Hebei University of Technology, Tianjin, China
3. Tianjin Huaxuan Technology Development Company Ltd., Tianjin, China
4. School of Materials Science and Engineering, Tianjin University, Tianjin, China