1. Ministry of Education, College of Mechanical and Aerospace Engineering Jilin University,Key Laboratory of CNC Equipment Reliability,Changchun,Chian,130022
2. Global R&D Center, China FAW Corporation Limited,Changchun,China,130013
3. Jilin University,Key Laboratory of CNC Equipment Reliability, Ministry of Education, College of Mechanical and Aerospace Engineering,Changchun,Chiana,130022