Journal
INTERNATIONAL JOURNAL OF ADAPTIVE CONTROL AND SIGNAL PROCESSING
Volume 16, Issue 10, Pages 681-701Publisher
JOHN WILEY & SONS LTD
DOI: 10.1002/acs.717
Keywords
process control; jacketed chemical reactors; temperature control; cascade control; regional stability; performance
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This paper is addressed to the problem of designing an adaptive cascade controller to stabilize a jacketed continuous chemical reactor whose isothermal dynamics are globally stable. Assuming that the heat generation and transfer models are uncertain, the controller is built on the basis of back-stepping procedure in conjunction with the mass and energy conservation principles that underlie the reactor behaviour. The corresponding closed-loop dynamics are studied yielding a semiglobal stability criterion coupled with a systematic construction-tuning procedure. The resulting cascade controller has aPI-type structure with an antireset windup scheme, and is put in perspective with its industrial-type counterpart. A simulated example is used to illustrate the functioning of the proposed controller. Copyright (C) 2002 John Wiley Sons, Ltd.
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