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Authors: Kremling, Andreas
Allgöwer, Frank
Title: Robust control of a catalytic fixed bed reactor
Issue Date: 1994 Konferenzbeitrag Proceedings of the 33rd IEEE Conference on Decision and Control. Vol. 2. Piscataway, NJ : IEEE Service Center, 1994, S. 1098-1104
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.
Appears in Collections:15 Fakultätsübergreifend / Sonstige Einrichtung

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