Estimation of grey box and black box models for non-linear circuit data [Elektronisk resurs] / Lennart Ljung, Qinghua Zhang, Peter Lindskog, Anatoli Iouditski
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Ljung, Lennart, 1946-
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Zhang, Qinghua
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Lindskog, Peter, 1965-
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Iouditski, Anatoli
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- Linköpings universitet. Institutionen för systemteknik (utgivare)
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Alternativt namn: ISY
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Alternativt namn: Engelska: Linköping University. Department of Electrical Engineering
- Linköping : Linköping University Electronic Press, 2007
- Engelska 9 s.
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Serie: LiTH-ISY-R, 1400-3902 ; 2792
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Läs hela texten (Sammanfattning och fulltext från Linköping University Electronic Press)
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- Identification of non-linear systems is a challenge, due to the richness of both model structures and estimation approaches. As a case study, in this paper we test a number of methods on a data set collected from an electrical circuit at the Free University of Brussels. These methods are based on black box and grey box model structures or on a mixture of them, which are all implemented in a forthcoming Matlab toolbox. The results of this case study illustrate the importance of the use of custom (user defined) regressors in a black box model. Based on physical knowledge or on insights gained through experience, such custom regressors allow to build efficient models with a relatively simple model structure.
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- Identification
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