1. Associate Professor, School of Mechanical Engineering and Automation, Northeastern Univ., Shenyang 110819, P.R. China (corresponding author).
2. Master, School of Mechanical Engineering and Automation, Northeastern Univ., Shenyang 110819, P.R. China.
3. Dept. of Automatic Control and System Engineering, Univ. of Sheffield, Sheffield S13JD, U.K.
4. Researcher, AVIC Shenyang Aero-engine Design Institute, Shenyang 110042, P.R. China.