Predictive control for systems with time delay

A Smith predictor has been known as an effective controller to overcome a dead time. If the plant, however, is unstable, the closed-loop system cannot be stabilized with a Smith predictor. In order to stabilize an unstable plant with time delay, we propose a predictive control which is composed of a...

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Bibliographic Details
Published in:International journal of control 1983-02, Vol.37 (2), p.399-412
Main Authors: FURUKAWA, TOSHIO, SHIMEMURA, ETSUJIRO
Format: Article
Language:English
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Summary:A Smith predictor has been known as an effective controller to overcome a dead time. If the plant, however, is unstable, the closed-loop system cannot be stabilized with a Smith predictor. In order to stabilize an unstable plant with time delay, we propose a predictive control which is composed of an observer, a predictor and a controller. We refer to the realization of the predictor, and indicate an available type of model for it. In addition, we suggest the possibility that predictive control with a stable approximate model may be applied to an astatic plant.
ISSN:0020-7179
1366-5820
DOI:10.1080/00207178308932979