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|Title:||Delay-Independent Asymptotic Stability in Monotone Systems||Authors:||Devane, Eoin
|Keywords:||Asymptotic stability;Time-delay;Monotone systems;Nonlinear systems||Category:||Electrical Engineering - Electronic Engineering - Information Engineering||Field:||Engineering and Technology||Issue Date:||1-Sep-2016||Publisher:||Institute of Electrical and Electronics Engineers Inc.||Source:||IEEE Transactions on Automatic Control, 2016, Volume 61, Issue 9, Article number 7321008, Pages 2625-2631||metadata.dc.doi:||10.1109/TAC.2015.2498137||Abstract:||Monotone systems comprise an important class of dynamical systems that are of interest both for their wide applicability and because of their interesting mathematical properties. It is known that under the property of quasimonotonicity time-delayed systems become monotone, and some remarkable properties have been reported for such systems. These include, for example, the fact that for linear systems global asymptotic stability of the undelayed system implies global asymptotic stability for the delayed system under arbitrary bounded delays. Nevertheless, extensions to nonlinear systems have thus far relied primarily on the conditions of homogeneity and subhomogeneity, and it has been conjectured that these can be relaxed. Our aim in this paper is to show that this is feasible for a general class of nonlinear monotone systems by deriving convergence results in which simple properties of the undelayed system lead to delay-independent stability. In particular, one of our results shows that if the undelayed system has a convergent trajectory that is unbounded in all components as t→-∞ then the system is globally asymptotically stable for arbitrary bounded time-varying delays. This follows from a more general result derived in the paper that allows to quantify delay-independent regions of attraction, which can be used to prove global asymptotic stability for various classes of systems. These also recover various known delay-independent stability results that are discussed within the paper.||URI:||http://ktisis.cut.ac.cy/handle/10488/9374||ISSN:||00189286||Rights:||© 1963-2012 IEEE.||Type:||Article|
|Appears in Collections:||Άρθρα/Articles|
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