Improved delay-dependent robust stability criteria for uncertain systems with interval time-varying delay
This paper proposes an innovative method for robust stability analysis of dynamic systems with interval time-varying delay and uncertainties of structural and polytopic types. The innovation of the method includes
employment of a tighter integral inequality and construction of an appropriate type of Lyapunov function. The stability criteria derived from this method significantly improves and simplifies existing stability
conditions obtained through employing the technique with the least number of Linear matrix inequality (LMI) variables. The simplicity of the stability criteria results from the fact that neither any useful terms are ignored in dealing with cross product terms nor any superfluous free weighting matrices are introduced in the theoretical derivation. Numerical examples are given
to demonstrate the effectiveness of the proposed method.
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|Item Type:||Journal Article|
|Additional Information:||According to the policy of the publisher, pre-print version to be removed on publication.|
|Keywords:||Time delay systems, Linear matrix inequalities, Interval time-varying delay, Uncertainties|
|Subjects:||Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > MECHANICAL ENGINEERING (091300) > Automation and Control Engineering (091302)|
Australian and New Zealand Standard Research Classification > MATHEMATICAL SCIENCES (010000) > APPLIED MATHEMATICS (010200) > Calculus of Variations Systems Theory and Control Theory (010203)
|Divisions:||Past > QUT Faculties & Divisions > Faculty of Science and Technology|
|Copyright Owner:||Copyright 2008 The Institution of Engineering and Technology (IET)|
|Deposited On:||03 Feb 2009 09:19|
|Last Modified:||29 Feb 2012 23:47|
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