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conference paper

Input Filter Design for Feasibility in Constraint-Adaptation Schemes

Bunin, Gene  
•
François, Grégory  
•
Srinivasan, Balasubrahmanya  
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2011
Proceedings of the 18th IFAC World Congress
18th World Congress of the Int. Federation of Automatic Control (IFAC)

The subject of real-time, steady-state optimization under significant uncertainty is addressed in this paper. Specifically, the use of constraint-adaptation schemes is reviewed, and it is shown that, in general, such schemes cannot guarantee process feasibility over the relevant input space during the iterative process. This issue is addressed via the design of a feasibility-guaranteeing input filter, which is easily derived through the use of a Lipschitz bound on the plant behavior.While the proposed approach works to guarantee feasibility for the single-constraint case, early sub-optimal convergence is noted for cases with multiple constraints. In this latter scenario, some constraint violations must be accepted if convergence to the optimum is desired. An illustrative example is given to demonstrate these points.

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Type
conference paper
DOI
10.3182/20110828-6-IT-1002.02937
Author(s)
Bunin, Gene  
François, Grégory  
Srinivasan, Balasubrahmanya  
Bonvin, Dominique  
Date Issued

2011

Published in
Proceedings of the 18th IFAC World Congress
Start page

5585

End page

5590

Subjects

Real-Time Optimization

•

Optimization Under Uncertainty

•

Modifier Adaptation

•

Filter Design

•

Robust Optimization

Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LA  
Event nameEvent placeEvent date
18th World Congress of the Int. Federation of Automatic Control (IFAC)

Milano, Italy

August 28 - September 2, 2011

Available on Infoscience
October 15, 2010
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/55602
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