Identification of low-order models using Laguerre basis function expansions

Mikael Manngård, Hannu Toivonen

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Abstract

In this paper, a method for identification of low-order output-error models expressed in terms of Laguerre basis functions is presented. The identification problem is formulated as a rank-constrained optimization problem in the Laguerre domain, which can be solved efficiently using nuclear norm regularization. Since the identified models are of low order, a minimal state-space realization of the system can be obtained without the use of additional approximative model-order reduction steps.

Original languageUndefined/Unknown
Pages (from-to)72–77
JournalIFAC papers online
Volume51
Issue number15
DOIs
Publication statusPublished - 2018
MoE publication typeA1 Journal article-refereed

Keywords

  • System Identification

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