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Some Asymptotic Results in Recursive Identification using Laguerre Models
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
1991 (English)In: International journal of adaptive control and signal processing (Print), ISSN 0890-6327, E-ISSN 1099-1115, Vol. 5, no 5, 313-333 p.Article in journal (Refereed) Published
Abstract [en]

This paper deals with recursive identification of time-varying systems using Laguerre models. Laguerre models generalize finite impulse response (FIR) models by using a priori information about the dominating time constants of the system to be identified. Three recursive algorithms are considered: the stochastic gradient algorithm, the recursive least squares algorithm and a Kalman-filter-like recursive identification algorithm. Simple and explicit expressions for the model quality are derived under the assumptions that the system varies slowly, that the model is updated slowly and that the model order is high. The derived expressions show how the use of Laguerre models affects the model quality with respect to tracking capability and disturbance rejection.

Place, publisher, year, edition, pages
1991. Vol. 5, no 5, 313-333 p.
Keyword [en]
Recursive identification, Tracking, Time-varying systems, Laguerre models
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-95633DOI: 10.1002/acs.4480050503OAI: oai:DiVA.org:liu-95633DiVA: diva2:637012
Available from: 2013-07-15 Created: 2013-07-15 Last updated: 2017-12-06

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Gunnarsson, Svante

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