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Título: | Digital repetitive control under non-uniform sampling: an LMI stability analysis |
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Autor/a: | Ramos Fuentes, Germán Andrés; Olm Miras, Josep Maria; Costa Castelló, Ramon |
Otros autores: | Universitat Politècnica de Catalunya. Departament de Matemàtica Aplicada IV; Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial; Universitat Politècnica de Catalunya. ACES - Control Avançat de Sistemes d'Energia |
Abstract: | Digital repetitive control is a technique which allows tracking periodic references and/or rejecting periodic disturbances. Repetitive controllers are usually designed assuming a fixed fundamental frequency for the signals to be tracked/rejected and its main drawback being a dramatic performance decay when this frequency varies. A usual approach to overcome the problem consists of an adaptive change of the sampling period according to the reference/disturbance period variation. This paper presents a stability analysis of a digital repetitive controller working under time-varying sampling period by means of an LMI gridding approach. Theoretical developments are illustrated with experimental results, which are preceded by a detailed description of fundamental issues related to the implementation procedure. |
Materia(s): | -Àrees temàtiques de la UPC::Matemàtiques i estadística -Feedback control systems -Sistemes de control per retroacció -- Models matemàtics -Classificació AMS::93 Systems Theory; Control::93C Control systems, guided systems |
Derechos: | Attribution-NonCommercial-NoDerivs 3.0 Spain
http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
Tipo de documento: | Artículo - Versión publicada Artículo |
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