A variable time delay compensator for multivariable linear processes

A variable time delay compensator based on the Smith predictor is proposed. Finite difference and cinematic techniques are employed for a numerical approximation of the variable delay. The resulting multivariable controller is analyzed for robustness using the structured singular value. The techniqu...

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Bibliographic Details
Published inJournal of process control Vol. 15; no. 2; pp. 215 - 222
Main Authors Saffer, Daniel R., Castro, Jorge J., Doyle, Francis J.
Format Journal Article
LanguageEnglish
Published Elsevier Ltd 01.03.2005
Subjects
Numerical methods
Time delay
Time-varying system
Numerical methods
Time-varying system
Time delay
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ISSN0959-1524
1873-2771
DOI10.1016/j.jprocont.2004.05.005

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Summary:A variable time delay compensator based on the Smith predictor is proposed. Finite difference and cinematic techniques are employed for a numerical approximation of the variable delay. The resulting multivariable controller is analyzed for robustness using the structured singular value. The technique is demonstrated through two simulated systems: a single-input, single-output numerical example, and a cross-direction paper machine control problem.
ISSN:0959-1524
1873-2771
DOI:10.1016/j.jprocont.2004.05.005