Robust Kalman filter for descriptor systems

@article{Ishihara2004RobustKF,
  title={Robust Kalman filter for descriptor systems},
  author={Jo{\~a}o Yoshiyuki Ishihara and Marco H. Terra and Jos{\'e} C. T. Campos},
  journal={IEEE Transactions on Automatic Control},
  year={2004},
  volume={51},
  pages={1354-1354}
}
This note is concerned with the problem of state estimation for descriptor systems subject to uncertainties. A Kalman type recursive algorithm is derived. Numerical examples are included to demonstrate the performance of the proposed robust filter 
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