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Recursive Weighted ...
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Fang, MengyuanZhejiang Sci Tech Univ, Zhejiang Engn Lab Ind Internet Commun Technol, Hangzhou, Peoples R China.;Northeastern Univ, State Key Lab Synthet Automat Proc Ind, Shenyang, Peoples R China.
(författare)
Recursive Weighted Null-Space Fitting Method for Identification of Multivariate Systems
- Artikel/kapitelEngelska2021
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ELSEVIER,2021
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Nummerbeteckningar
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LIBRIS-ID:oai:DiVA.org:kth-303772
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https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-303772URI
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https://doi.org/10.1016/j.ifacol.2021.08.383DOI
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Språk:engelska
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Sammanfattning på:engelska
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Ämneskategori:ref swepub-contenttype
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Ämneskategori:kon swepub-publicationtype
Anmärkningar
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QC 20211022
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Recursive identification of structured multivariate models is known to be difficult due to the general non-convexity of the likelihood function. In this work, we propose a recursive multivariate weighted null-space fitting method for identification of structured multivariate models. The proposed method first uses recursive least squares to estimate a high order non-parametric model, then a parametric model is obtained through weighted least squares from the non-parametric model. In this way, the method avoids directly optimizing a non-convex likelihood function and has guaranteed global convergency. Moreover, the proposed method is flexible in model structures and has the same finite sample performance as its off-line counterpart. We use simulation examples to illustrate the performance.
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Biuppslag (personer, institutioner, konferenser, titlar ...)
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Galrinho, MiguelOHB Sweden AB, Kista, Sweden.
(författare)
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Hjalmarsson, Håkan,1962-KTH,Reglerteknik(Swepub:kth)u10a8l40
(författare)
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Zhejiang Sci Tech Univ, Zhejiang Engn Lab Ind Internet Commun Technol, Hangzhou, Peoples R China.;Northeastern Univ, State Key Lab Synthet Automat Proc Ind, Shenyang, Peoples R China.OHB Sweden AB, Kista, Sweden.
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:IFAC PAPERSONLINE: ELSEVIER, s. 345-3502405-8963
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