Analog circuits to implement repetitive controllers with feedforward for harmonic compensation

被引：47

作者：

Escobar, Gerardo ^{[1
]}

Martinez, P. R. ^{[1
]}

Leyva-Ramos, J. ^{[1
]}

机构：

[1] Inst Potosino Invest Cient & Tecnol, Div Appl Math, San Luis Potosi 78216, Mexico

来源：

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS | 2007年 / 54卷 / 01期

关键词：

analog circuits; harmonic compensation; periodic disturbances; repetitive control;

D O I：

10.1109/TIE.2006.885515

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

A feedforward modification for both positive- and negative-feedback schemes of repetitive control is described. It was shown that repetitive controllers can be a useful tool for tracking of periodic reference signals and compensation of periodic disturbances, in other words, for harmonic compensation. It was shown that the feedforward modification considerably improves the frequency response and performance, providing higher gains with enhanced selectivity. Simple analog circuits are presented to implement both positive- and negative-feedback repetitive schemes. A description of the circuits and their corresponding experimental frequency responses are also given.

引用

页码：567 / 573

页数：7

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