Two-point cascade control of binary distillation columns

In this work the problem of designing a two-point (temperature-composition) linear cascade controller for binary distillation columns is addressed within a nonlinear robust constructive control framework yielding: the underlying solvability conditions with physical meaning, a systematic construction...

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Bibliographic Details
Main Authors: Castellanos-Sahagun, E., Alvarez, J.
Format: Conference Proceeding
Language:English
Subjects:
Control systems
Couplings
Distillation equipment
Effluents
MIMO
Nonlinear control systems
Numerical simulation
Robust control
Robust stability
Temperature control
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Summary:In this work the problem of designing a two-point (temperature-composition) linear cascade controller for binary distillation columns is addressed within a nonlinear robust constructive control framework yielding: the underlying solvability conditions with physical meaning, a systematic construction, and a robust stability criterion coupled with a simple tuning scheme. The primary controller is dynamic and decentralized, and the secondary MIMO controller is the composition of an inventory-type MIMO static controller with a decentralized dynamic controller. The proposed approach is illustrated with numerical simulations, showing a better performance than the existing linear and nonlinear cascade controllers.
ISSN:0743-1619
2378-5861
DOI:10.1109/ACC.2003.1238975