Non-uniform sampling in digital repetitive control systems: An LMI stability analysis
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Tipus de documentReport de recerca
Data publicació2009-03
Condicions d'accésAccés obert
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Reconeixement-NoComercial-SenseObraDerivada 3.0 Espanya
Abstract
Digital repetitive control is a technique which allows to track periodic references and/or reject periodic disturbances. Repetitive controllers are usually designed assuming a fixed frequency for the signals to be tracked/rejected, 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 time according to the reference/disturbance period variation. This report 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.
Altres identificadorsIOC-DT-P-2009-01
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IOC-DT-P-2009-01.pdf | 1,091Mb | Visualitza/Obre |