JOURNAL OF CHEMICAL ENGINEERING OF JAPAN
Print ISSN : 0021-9592
Process Systems Engineering
Difference-based Nonlinear Control Designs of a Reduced-order Tubular Reactor System
Wei Wu
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2002 Volume 35 Issue 8 Pages 759-770

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Abstract

This article deals with output regulation of an exothermic tubular reactor system. Based on model order reduction and a specified coil apparatus for heat removal, a finite difference-based nonlinear model with single manipulated input can be developed. Under the difference-based feedback linearization strategy associated with Lyapunov stability analysis, the developed low-order state/output feedback controllers can induce asymptotic output regulation. Moreover, the output feedback control scheme together with anti-windup compensation can reduce the controller saturation and provide satisfactory control performance. Simulations clearly demonstrate that the proposed control methodologies with a fast coil flow rate condition can recover the desired temperature performance, and that they are also robust against the presence of unstructured modeling errors.

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© 2002 The Society of Chemical Engineers, Japan
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