Output feedback integral sliding mode controller of time-delay systems with mismatch disturbances

Huan Chan Ting*, Jeang Lin Chang, Yon-Ping Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

For uncertain time-delay systems with mismatch disturbances, this paper presented an integral sliding mode control algorithm using output information only. An integral sliding surface is comprised of output signals and an auxiliary full-order compensator. The designed output feedback sliding mode controller can locally satisfy the reaching and sliding condition and maintain the system on the sliding surface from the initial moment. Since the system is in the sliding mode and two specific algebraic Riccati inequalities are established, the proposed algorithm can guarantee the stability of the closed-loop system and satisfy the property of disturbance attenuation. Moreover, the design parameters of the controller and compensator can be simultaneously determined by solutions to two algebraic Riccati inequalities. Finally, a numerical example illustrates the applicability of the proposed scheme.

Original languageEnglish
Pages (from-to)85-94
Number of pages10
JournalAsian Journal of Control
Volume14
Issue number1
DOIs
StatePublished - 1 Jan 2012

Keywords

  • full-order compensator
  • mismatch disturbance
  • Output feedback
  • sliding mode

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