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Delay-Dependent Stability Criteria for Systems with Time-Varying Delays: State Discretization Approach
Jeong-Wan KO
PooGyeon PARK
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Vol.E92-A No.4 pp.1136-1141
Publication Date: 2009/04/01
Online ISSN: 1745-1337
Print ISSN: 0916-8508
Type of Manuscript: PAPER
Category: Systems and Control
Keyword:
delayed systems,
stability,
uncertainty,
piecewise analysis,
state discretization,
Full Text: PDF(144.3KB)
Summary:
A state-discretization approach [11], which was introduced for stability of constant delayed systems, will be extended to time-varying delayed systems. The states not only in constructing the Lyapunov-Krasovskii functional but also in designing the integral inequality technique [12] will be discretized. Based on the discretized-state, [9],[17] 's piecewise analysis method will be applied to confirm the system stability in whole delay bound. Numerical examples show that the results obtained by this criterion improve the allowable delay bounds over the existing results in the literature.
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