LAPSE:2018.0197
Published Article
LAPSE:2018.0197
A Study of Explorative Moves during Modifier Adaptation with Quadratic Approximation
Weihua Gao, Reinaldo Hernández, Sebastian Engell
July 30, 2018
Modifier adaptation with quadratic approximation (in short MAWQA) can adapt the operating condition of a process to its economic optimum by combining the use of a theoretical process model and of the collected data during process operation. The efficiency of the MAWQA algorithm can be attributed to a well-designed mechanism which ensures the improvement of the economic performance by taking necessary explorative moves. This paper gives a detailed study of the mechanism of performing explorative moves during modifier adaptation with quadratic approximation. The necessity of the explorative moves is theoretically analyzed. Simulation results for the optimization of a hydroformylation process are used to illustrate the efficiency of the MAWQA algorithm over the finite difference based modifier adaptation algorithm.
Keywords
modifier adaptation, quadratic approximation, real-time optimization
Suggested Citation
Gao W, Hernández R, Engell S. A Study of Explorative Moves during Modifier Adaptation with Quadratic Approximation. (2018). LAPSE:2018.0197
Author Affiliations
Gao W: Biochemical and Chemical Engineering Department, TU Dortmund, Emil-Figge-Str. 70, 44221 Dortmund, Germany
Hernández R: Biochemical and Chemical Engineering Department, TU Dortmund, Emil-Figge-Str. 70, 44221 Dortmund, Germany
Engell S: Biochemical and Chemical Engineering Department, TU Dortmund, Emil-Figge-Str. 70, 44221 Dortmund, Germany
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Journal Name
Processes
Volume
4
Issue
4
Article Number
E45
Year
2016
Publication Date
2016-11-26
Published Version
ISSN
2227-9717
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PII: pr4040045, Publication Type: Journal Article
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doi:10.3390/pr4040045
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Jul 30, 2018
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