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Identification of time-varying systems using multiresolution wavelet models

Wei, H.L. and Billings, S.A. (2002) Identification of time-varying systems using multiresolution wavelet models. International Journal of Systems Science, 33 (15). pp. 1217-1228. ISSN 1464-5319

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Abstract

Identification of linear and nonlinear time-varying systems is investigated and a new wavelet model identification algorithm is introduced. By expanding each time-varying coefficient using a multiresolution wavelet expansion, the time-varying problem is reduced to a time invariant problem and the identification reduces to regressor selection and parameter estimation. Several examples are included to illustrate the application of the new algorithm.

Item Type: Article
Copyright, Publisher and Additional Information: © 2002 Taylor & Francis Group Ltd. This is an author produced version of a paper subsequently published in 'International Journal of Systems Science'.
Keywords: nonlinear systems, time-varying systems, identification, wavelets
Institution: The University of Sheffield
Academic Units: The University of Sheffield > Faculty of Engineering (Sheffield) > Department of Automatic Control and Systems Engineering (Sheffield)
Depositing User: Repository Officer
Date Deposited: 20 Feb 2007
Last Modified: 06 Jun 2014 18:00
Published Version: http://dx.doi.org/10.1080/0020772031000081982
Status: Published
Publisher: Taylor and Francis
Refereed: Yes
Identification Number: 10.1080/0020772031000081982
URI: http://eprints.whiterose.ac.uk/id/eprint/1973

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