Detection of satellite attitude sensor faults using the UKF

  title={Detection of satellite attitude sensor faults using the UKF},
  author={K. Xiong and C. W. Chan and H. Y. Zhang},
  journal={IEEE Transactions on Aerospace and Electronic Systems},
A novel fault detection (FD) method for nonlinear systems using the residuals generated by the unscented Kalman filter (UKF) is proposed. The errors of the UKF are derived and sufficient conditions for the convergence of the UKF are presented. As the local approach is a powerful statistical technique for detecting changes in the mean of a Gaussian process, it is used to devise a hypothesis test to detect faults from residuals obtained from the UKF. Further, it is demonstrated that the selection… CONTINUE READING
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