Robust PI/PID controller for interval first order system with time delay

被引:11
|
作者
Farkh, Rihem [1 ]
Laabidi, Kaouther [1 ]
Ksouri, Mekki [1 ]
机构
[1] Natl Sch Engn Tunis, Res Unit Syst Anal & Control, BP 37, Tunis 1002, Tunisia
关键词
time delay system; generalised Kharitonov theorem; GKT; PI/ PID controller; Hermit-Biehler theorem; stability region; interval plants;
D O I
10.1504/IJMIC.2011.040491
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
In this paper, a new approach to determine the entire set of stabilisng PI/PID parameters for time delay process with bounded uncertainties has been developed. Our method exploited a combination of the generalised Kharitonov theorem and the Hermit Biehler theorem extended for quasipolynomials to synthesise a robustly stabilising controller. By using a constructive procedure, we obtain all PI and PID gains that stabilise an interval first order delay system. Finally, numerical simulations are given to support our theoretical results.
引用
收藏
页码:67 / 77
页数:11
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