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dc.contributor.authorWu, Ouyang
dc.contributor.authorImsland, Lars Struen
dc.contributor.authorBrekke, Edmund Førland
dc.contributor.authorSchneider, Stefan M
dc.contributor.authorBouaswaig, Ala EF
dc.contributor.authorRoth, Matthias
dc.date.accessioned2019-11-29T13:38:27Z
dc.date.available2019-11-29T13:38:27Z
dc.date.created2019-10-28T13:47:38Z
dc.date.issued2019
dc.identifier.citationIFAC-PapersOnLine. 2019, 52 (1), 685-690.nb_NO
dc.identifier.issn2405-8963
dc.identifier.urihttp://hdl.handle.net/11250/2631115
dc.description.abstractDegradation such as fouling has significant negative impact on the efficiency of process manufacturing. Creating transparency about degradation is essential in the operations of the plants. This paper focuses on the state estimation of fouling in a multipurpose batch process, and the problem is formulated using an industrial case study. Due to the lack of a good model of fouling, the state estimation is integrated with parameter estimation using the expectation maximization (EM) algorithm, where the variational approximation method is employed for the intermediate robust state estimation in the E-step. The proposed state estimation is applied in the case study, which demonstrates the efficacy of the estimation of a recipe-independent key performance indicator for the batch-to-batch fouling.nb_NO
dc.language.isoengnb_NO
dc.publisherElseviernb_NO
dc.titleRobust state estimation for fouling evolution in batch processes using the EM algorithmnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionpublishedVersionnb_NO
dc.source.pagenumber685-690nb_NO
dc.source.volume52nb_NO
dc.source.journalIFAC-PapersOnLinenb_NO
dc.source.issue1nb_NO
dc.identifier.doi10.1016/j.ifacol.2019.06.142
dc.identifier.cristin1741208
dc.description.localcode© 2019, IFAC (International Federation of Automatic Control) Hosting by Elsevier Ltd. All rights reserved.nb_NO
cristin.unitcode194,63,25,0
cristin.unitnameInstitutt for teknisk kybernetikk
cristin.ispublishedtrue
cristin.fulltextoriginal
cristin.qualitycode1


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