Control repetitivo digital de sistemas con frecuencia incierta o variante en el tiempo

Resumen

El control repetitivo digital es una técnica basada en el principio del modelo interno que permite seguir y/o rechazar señales periódicas. Una hipótesis clave en los diseños tradicionales de control repetitivo es que la frecuencia de tales señales es constante y conocida, siendo su principal desventaja la elevada degradación de prestaciones que aparece cuando dicha frecuencia es incierta o varía con el tiempo. En este trabajo se presenta una revisión de las principales estrategias introducidas hasta la fecha para resolver este problema.

Abstract

Digital repetitive control is an internal model principle-based control technique that aims at tracking/rejecting periodic signals. A key assumption in traditional repetitive control designs is that the frequency of such signals is constant and known, its main drawback being the dramatic loss of performance that occurs when this frequency is uncertain or time-varying. This article reviews the most relevant proposals introduced so far to overcome this problem.

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