Improved robust stability criteria for uncertain discrete-time systems with interval time-varying delays via new zero equalities

O. M. Kwon; M. J. Park; J. H. Park; S. M. Lee; E. J. Cha

doi:10.1049/iet-cta.2012.0257

Improved robust stability criteria for uncertain discrete-time systems with interval time-varying delays via new zero equalities

O. M. Kwon, M. J. Park, J. H. Park, S. M. Lee, E. J. Cha

School of Electronics Engineering

Research output: Contribution to journal › Article › peer-review

41 Scopus citations

Abstract

This study is concerned with the stability problem for uncertain discrete-time systems with interval time-varying delays. By construction of an augmented Lyapunov-Krasovskii's functional and utilisation of new zero equalities, improved delay-dependent criteria for the stability of the systems are derived for guaranteeing the asymptotic stability of the concerned systems. The effectiveness and the reduced conservatism of the derived results are demonstrated by three illustrative examples.

Original language	English
Pages (from-to)	2567-2575
Number of pages	9
Journal	IET Control Theory and Applications
Volume	6
Issue number	16
DOIs	https://doi.org/10.1049/iet-cta.2012.0257
State	Published - 1 Nov 2012

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AU - Lee, S. M.

AU - Cha, E. J.

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AB - This study is concerned with the stability problem for uncertain discrete-time systems with interval time-varying delays. By construction of an augmented Lyapunov-Krasovskii's functional and utilisation of new zero equalities, improved delay-dependent criteria for the stability of the systems are derived for guaranteeing the asymptotic stability of the concerned systems. The effectiveness and the reduced conservatism of the derived results are demonstrated by three illustrative examples.

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Improved robust stability criteria for uncertain discrete-time systems with interval time-varying delays via new zero equalities

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