PID Tuning for Time-Varying Delay Systems Based on Modified Smith Predictor

被引：10

作者：

de Oliveira, Fulvia S. S. ^{[1
]}

Souza, Fernando O. ^{[2
]}

Palhares, Reinaldo M. ^{[2
]}

机构：

[1] Univ Fed Minas Gerais, Grad Program Elect Engn, Belo Horizonte, MG, Brazil

[2] Univ Fed Minas Gerais, Dept Elect Engn, Belo Horizonte, MG, Brazil

来源：

IFAC PAPERSONLINE | 2017年 / 50卷 / 01期

关键词：

Process time-delay; Smith predictor; PID controller; linear matrix inequalities; DESIGN;

D O I：

10.1016/j.ifacol.2017.08.130

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

This paper presents a new linear matrix inequality (LMI) based control strategy for second-order systems with time-varying delay based on a modified Smith predictor with a proportional-integral-derivative (PID) controller. The main idea consists in representing the predictor model as a closed-loop observer, which takes into account only the estimated average value of the time-delay, such that no real time measurement of the delay is required. A numerical example is introduced to illustrate the effectiveness of the proposed method. (C) 2017, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.

引用

页码：1269 / 1274

页数：6

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