IMA Journal of Mathematical Control and Information Advance Access published online on February 23, 2007
IMA Journal of Mathematical Control and Information, doi:10.1093/imamci/dnm007
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Estimates of the attraction region for a class of nonlinear time-delay systems

División of Matématics Aplicadas y Sistemas Computacionales, Instituto Potosino de Investigación Científica y Technológica, A.P.3-74, 78216 San Luis Potosí, SLP, México

Laboratoire des Signaux et Systèmes (L2S, UMR CNRS 8506), Centre National de la Recherche Scientifique-Supélec, 3 rue Joliot Curie, 91190 Gif-sur-Yvette, France
Email: dmelchor{at}ipicyt.edu.mx
Email: silviu.niculescu{at}lss.supelec.fr
Received on 20 May 2006; Accepted on 8 January 2007
| Abstract |
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In this paper, we propose various estimates of the attraction region for a class of nonlinear time-delay systems of the form
(t) = Ax(t) + Bx(t h(t)) + f(x(t), x(t h(t))). The approach is constructive and makes use of a LyapunovKrasovskii functional associated to the linear part. Several illustrative examples (delayed logistic equation, stabilizing nonlinear oscillations by delayed output feedback, congestion control in high-performance networks and hereditary phenomena in physics) complete the presentation.
Keywords: nonlinear time-delay systems; attraction region; LyapunovKrasovskii functionals.