Linearization in the Large of the Anaerobic Digestion Process Using a Reduced-Order Koopman Operator
The identification of accurate models for the anaerobic digestion process is essential for the characterization of the region that guarantees the conservation of the bacteria population. Traditional techniques involve the identification of nonlinear models based on data from the system. In this pape...
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Published in | IFAC-PapersOnLine Vol. 53; no. 2; pp. 16840 - 16845 |
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Main Authors | , , , |
Format | Journal Article |
Language | English |
Published |
Elsevier Ltd
2020
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Subjects | |
Online Access | Get full text |
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Summary: | The identification of accurate models for the anaerobic digestion process is essential for the characterization of the region that guarantees the conservation of the bacteria population. Traditional techniques involve the identification of nonlinear models based on data from the system. In this paper, we introduce data-driven techniques that allow the characterization of the system’s behavior via the approximation of the Koopman operator with the extended dynamic mode decomposition algorithm. We propose methods to reduce the order and dimension of the representation based on orthogonal polynomials. |
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ISSN: | 2405-8963 2405-8963 |
DOI: | 10.1016/j.ifacol.2020.12.1184 |