Time-domain robust stability test under plant and controller interval uncertainty

被引：0

作者：

Cugueró, P ^{[1
]}

Tornil, S ^{[1
]}

Escobet, T ^{[1
]}

Saludes, J ^{[1
]}

Puig, V ^{[1
]}

机构：

[1] Univ Politecn Catalunya, Dept Engn Sistemes, Terrassa, Spain

来源：

ROBUST CONTROL DESIGN 2000, VOLS 1 & 2 | 2000年 / 1-2卷

关键词：

robustness; fragility; uncertainty; intervals; envelopes; time-domain analysis;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Once a controller has been designed for a certain plant with any method available, one would like to know if that controller will perform well despite structured uncertainty in the plant. Furthermore, as controller implementation is concerned, one is also interested in its fragility (Keel and Bhattacharyya, 1997). In this paper, interval parametric uncertainty is considered. As an alternative to testing robust stability by polynomial methods (Bhattacharyya et al., 1995; Ackermann, 1993), one can perform a robust simulation of the time domain response of the closed loop taking into account plant and controller uncertainties. It is shown that, based on this simulation, it is possible to test the closed loop robust stability. Copyright (C) 2000 IFAC.

引用

页码：207 / 211

页数：5

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