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Experiences from subspace system identification - Comments from process industry users and researchers
KTH, School of Electrical Engineering (EES), Centres, ACCESS Linnaeus Centre. KTH, School of Electrical Engineering (EES), Automatic Control. (System Identification Group)ORCID iD: 0000-0002-1927-1690
KTH, School of Electrical Engineering (EES), Signal Processing.ORCID iD: 0000-0002-6855-5868
2007 (English)In: MODELING, ESTIMATION AND CONTROL: FESTSCHRIFT IN HONOR OF GIORGIO PICCI ON THE OCCASION OF THE SIXTY-FIFTH BIRTHDAY, BERLIN: SPRINGER-VERLAG BERLIN , 2007, Vol. 364, 315-327 p.Conference paper, Published paper (Refereed)
Abstract [en]

Subspace System Identification is by now an established methodology for experimental modelling. The basic theory is well understood and it is more or less a standard tool in industry. The two main research problems in subspace system identification that have been studied in the recent years are closed loop system identification and performance analysis. The aim of this contribution is quite different. We have asked an industrial expert working in process control a set of questions on how subspace system identification is used in design of model predictive control systems for process industry. As maybe expected, it turns out that a main issue is experiment/input design. Here, the difference between theory and practice is rather large mainly due to implementation constraints, but also lack of knowledge transfer. Motivated by the response from the expert, we will discuss several important user choices problems, such as optimal input design, merging of data sets and merging of models.

Place, publisher, year, edition, pages
BERLIN: SPRINGER-VERLAG BERLIN , 2007. Vol. 364, 315-327 p.
Series
Lecture Notes in Control and Information Sciences, ISSN 0170-8643 ; 364
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-26559DOI: 10.1007/978-3-540-73570-0_24ISI: 000250428800024Scopus ID: 2-s2.0-35548996716ISBN: 978-3-540-73569-4 (print)OAI: oai:DiVA.org:kth-26559DiVA: diva2:384792
Conference
International Conference on Modeling, Estimation and Control held in Honor of Giorigo Picci on the 60th Birthday Venice, ITALY, OCT 04-05, 2007
Note
Qc 20120118Available from: 2012-01-18 Created: 2010-11-25 Last updated: 2013-09-05Bibliographically approved

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Wahlberg, BoJansson, Magnus

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