About the Stabilization of a Nonlinear Perturbed Difference Equation

M. De la Sen

Discrete Dynamics in Nature and Society, 2012, vol. 2012, 1-19

Abstract:

This paper investigates the local asymptotic stabilization of a very general class of instable autonomous nonlinear difference equations which are subject to perturbed dynamics which can have a different order than that of the nominal difference equation. In the general case, the controller consists of two combined parts, namely, the feedback nominal controller which stabilizes the nominal (i.e., perturbation-free) difference equation plus an incremental controller which completes the stabilization in the presence of perturbed or unmodeled dynamics in the uncontrolled difference equation. A stabilization variant consists of using a single controller to stabilize both the nominal difference equation and also the perturbed one under a small-type characterization of the perturbed dynamics. The study is based on Banach fixed point principle, and it is also valid with slight modification for the stabilization of unstable oscillatory solutions.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnddns:320302

DOI: 10.1155/2012/320302

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