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On Re-Weighting, Re...
On Re-Weighting, Regularization Selection, and Transient in Nuclear Norm Based Identification
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- Abdalmoaty, Mohamed, 1986- (författare)
- KTH,Reglerteknik,System Identification,KTH, Reglerteknik
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- Hjalmarsson, Håkan (författare)
- KTH,Reglerteknik,System Identification,KTH, Reglerteknik
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(creator_code:org_t)
- Elsevier, 2015
- 2015
- Engelska.
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Serie: IFAC-PapersOnLine, 2405-8963 ; 48
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Ingår i: IFAC-PapersOnLine. - : Elsevier. - 2405-8963. ; 48:28, s. 92-97
- Relaterad länk:
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http://urn.kb.se/res...
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https://doi.org/10.1...
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https://kth.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- In this contribution, we consider the classical problem of estimating an Output Error model given a set of input-output measurements. First, we develop a regularization method based on the re-weighted nuclear norm heuristic. We show that the re-weighting improves the estimate in terms of better fit. Second, we suggest an implementation method that helps in eliminating the regularization parameters from the problem by introducing a constant based on a validation criterion. Finally, we develop a method for considering the effect of the transient when the initial conditions are unknown. A simple numerical example is used to demonstrate the proposed method in comparison to classical and another recent method based on the nuclear norm heuristic.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Signalbehandling (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Signal Processing (hsv//eng)
Nyckelord
- Output error identification
- low-rank estimation
- nuclear norm
- least squares
- regularization
- Electrical Engineering
- Elektro- och systemteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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