Variable structure system theory based disturbance identification its application

Xinkai Chen, Toshio Fukuda

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Based on the VSS theory, this paper presents a new method of estimasting the disturbance for minimum-phase (with respect to the relation between the disturbance and output) coutinuous-time dynamical systems with arbitrary relative. By using the transfer function method, first, the higher order filter of the disturbance is estimated, then, the lower order filter of the disturbance is estimated inductively. Eventually, the disturbance is estimated. The estimated disturbance is employed to construct a VSS-type state observer. Further, the estimated disturbance and the state observer are applied to a controller to place the desired stable poles and to cancel the disturbance. A design example and simulation results are presented to show the practicality and effectiveness of the proposed algorithm.

Original languageEnglish
Pages (from-to)373-384
Number of pages12
JournalInternational Journal of Control
Volume68
Issue number2
Publication statusPublished - 1997
Externally publishedYes

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System theory
Transfer functions
Poles
Identification (control systems)
Dynamical systems
Controllers

ASJC Scopus subject areas

  • Control and Systems Engineering

Cite this

Variable structure system theory based disturbance identification its application. / Chen, Xinkai; Fukuda, Toshio.

In: International Journal of Control, Vol. 68, No. 2, 1997, p. 373-384.

Research output: Contribution to journalArticle

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