State estimator and its application for systems with disturbances

Xinkai Chen, Toshio Fukuda, Takamasa Hori

研究成果: Paper査読

1 被引用数 (Scopus)

抄録

Based on the implicit observer techniques, a new expression of the state is obtained by the first order filters of the input, output and disturbance. For the minimum phase dynamical systems with arbitrary relative degrees (with respect to the relation between disturbance-output), the higher order filters of the disturbance is estimated by using the VSS equivalent control method. Then, by some new techniques, the lower order filter of the disturbance is estimated. Eventually, the disturbance is also estimated. Thus, the state vector is asymptotically expressed by the first order filters of the input and output and the estimate of the first order filters of the disturbance. The estimated state and the disturbance are applied to a controller to place a desired pole and to cancel the disturbance. Examples and simulation results are presented to show the effectiveness of the proposed algorithms.

本文言語English
ページ199-204
ページ数6
出版ステータスPublished - 1996 12 1
イベントProceedings of the 1996 IEEE International Workshop on Variable Structure Systems, VSS'96 - Tokyo, Jpn
継続期間: 1996 12 51996 12 6

Other

OtherProceedings of the 1996 IEEE International Workshop on Variable Structure Systems, VSS'96
CityTokyo, Jpn
Period96/12/596/12/6

ASJC Scopus subject areas

  • 工学(全般)

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