New predictive scheme for the control of LTI systems with input delay and unknown disturbances

被引：107

作者：

Lechappe, Vincent ^{[1
]}

Moulay, Emmanuel ^{[2
]}

Plestan, Franck ^{[1
]}

Glumineau, Alain ^{[1
]}

Chriette, Abdelhamid ^{[1
]}

机构：

[1] LUNAM Univ, Ecole Cent Nantes, IRCCyN UMR CNRS 6597, Nantes, France

[2] Univ Poitiers, Xlim SIC, F-86962 Futuroscope, France

来源：

AUTOMATICA | 2015年 / 52卷

关键词：

Input delay; Unknown disturbance; Prediction; Reduction method; Artstein reduction; Predictive feedback; SLIDING MODE CONTROL; FINITE SPECTRUM ASSIGNMENT; LINEAR-SYSTEMS; FEEDBACK;

D O I：

10.1016/j.automatica.2014.11.003

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 new predictive scheme is proposed for the control of Linear Time Invariant (LTI) systems with a constant and known delay in the input and unknown disturbances. It has been achieved to include disturbances effect in the prediction even though there are completely unknown. The Artstein reduction is then revisited thanks to the computation of this new prediction. An extensive comparison with the standard scheme is presented throughout the article. It is proved that the new scheme leads to feedback controllers that are able to reject perfectly constant disturbances. For time-varying ones, a better attenuation is achieved for a wide range of perturbations and for both linear and nonlinear controllers. A criterion is given to characterize this class of perturbations. Finally, some simulations illustrate the results. (C) 2014 Elsevier Ltd. All rights reserved.

引用

页码：179 / 184

页数：6

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