1. Intelligent Manufacturing and Automobile School, Chongqing Polytechnic University of Electronic Technology, Chongqing, China
2. Chongqing Academy of Metrology and Quality Inspection, Chongqing, China
3. Chongqing Gas Field, PetroChina Southwest Oil and Gas Field Company, Chongqing, China
4. State Key Laboratory of Mechanical Transmissions, College of Mechanical and Vehicle Engineering, Chongqing University, Chongqing, China