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"Linearizing" Controller Design for a Packed-Bed Reactor Using a Low-Order Wave Propagation Model

Doyle, Francis J., III and Budman, Hector M. and Morari, Manfred (1996) "Linearizing" Controller Design for a Packed-Bed Reactor Using a Low-Order Wave Propagation Model. Industrial & Engineering Chemistry Research, 35 (10). pp. 3567-3580. ISSN 0888-5885. http://resolver.caltech.edu/CaltechAUTHORS:20170809-100110031

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Abstract

A nonlinear controller design for a packed-bed reactor is presented. The scheme employs a two-tier approach in which, first, a low-order nonlinear model is developed and, subsequently, a feedback linearizing control law is synthesized. The reduced-order model treats transport mechanisms in the reactor as a nonlinear wave which propagates through the bed. Application of input−output “linearizing” control yields linear dynamics over a wide range of operating conditions. The practical issues of implementing the resultant digital, implicit, nonlinear control law on an actual system are addressed. Closed-loop simulations are used to illustrate the robustness properties of the nonlinear controller. In addition, the relative strengths of this approach over traditional linear control are identified.


Item Type:Article
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https://doi.org/10.1021/ie9404083DOIArticle
http://pubs.acs.org/doi/abs/10.1021/ie9404083PublisherArticle
Additional Information:© 1996 American Chemical Society. Received for review October 2, 1995; Accepted February 22, 1996. Publication Date (Web): October 8, 1996. Financial support from the National Science Foundation and the Department of Energy is gratefully acknowledged.
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Record Number:CaltechAUTHORS:20170809-100110031
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20170809-100110031
Official Citation:“Linearizing” Controller Design for a Packed-Bed Reactor Using a Low-Order Wave Propagation Model Francis J. Doyle III, Hector M. Budman, and, and Manfred Morari Industrial & Engineering Chemistry Research 1996 35 (10), 3567-3580 DOI: 10.1021/ie9404083
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:80006
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:09 Aug 2017 17:55
Last Modified:09 Aug 2017 17:55

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