1. College of Aerospace Engineering, Chongqing University , Chongqing 400044 , China
2. AECC Guizhou Honglin Aero-engine Control Technology Co., Ltd , Guiyang 550025 , China
3. State Key Laboratory of Reliability and Intelligence Electrical Equipment, School of Mechanical Engineering, Hebei University of Technology , Tianjin 300401 , China