1. Guangdong Provincial Key Laboratory of Precision Equipment and Manufacturing TechnologySchool of Mechanical and Automobile EngineeringSouth China University of TechnologyGuangzhou510640P. R. China
2. School of Mechanical and Electrical EngineeringJiangxi University of Science and TechnologyGanzhou341000P. R. China
3. Department of Aircraft Maintenance EngineeringGuangzhou Civil Aviation CollegeGuangzhou510403P. R. China