Robust control of a catalytic fixed bed reactor

A. Kremling, P. Allgoewer

Research output: Contribution to journalConference articlepeer-review

2 Scopus citations

Abstract

Catalytic fixed bed reactors exhibit interesting control problems due to their nonlinear behaviour and their sensitivity to load changes and other disturbances. Because detailed nonlinear models of such reactors are too complex for use in controller design, a linear model description is identified here along with an appropriate structured uncertainty description. The controller is designed based on the μ-paradigm to guarantee robust stability and robust performance. A comparison with an H-optimal controller is also given. For the H-design the structured uncertainties are converted into a single multivariable unstructured uncertainty. As expected the H-controller can only achieve a much less demanding performance because of the conservatism of the unstructured uncertainty description. Experimental results involving a real reactor are given.

Original languageEnglish
Pages (from-to)1098-1104
Number of pages7
JournalProceedings of the IEEE Conference on Decision and Control
Volume2
StatePublished - 1994
Externally publishedYes
EventProceedings of the 33rd IEEE Conference on Decision and Control. Part 1 (of 4) - Lake Buena Vista, FL, USA
Duration: 14 Dec 199416 Dec 1994

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