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Optimal minimal-order least-squares estimators via the general two-stage Kalman filter

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2 Author(s)
Chien-Shu Hsieh ; Dept. of Electr. Eng., Ta Hwa Inst. of Technol., Hsinchu, Taiwan ; Fu-Chuang Chen

A direct derivation of the optimal minimal-order least squares estimator is presented using the general two-stage Kalman filter. Using this new result, the reduced-order estimators of O'Reilly (1982) and Fairman and Luk (1985) are readily shown to be equivalent. A practical implementation issue to consider these two estimators is also addressed

Published in:

IEEE Transactions on Automatic Control  (Volume:46 ,  Issue: 11 )