1. Space Control and Inertial Technology Research Center, Harbin Institute of Technology , Harbin, P. R. China
2. Research Center of Satellite Technology, Harbin Institute of Technology , Harbin, P. R. China
3. Department of Mechanical and Mechatronics Engineering, University of Waterloo , Waterloo, Canada
4. Research Institute of Intelligent Control and Systems, Harbin Institute of Technology , Harbin, P. R. China