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System Identification of Nonlinear State-Space Models
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
University of Newcastle, Australia.
University of Newcastle, Australia.
2010 (English)Report (Other academic)
Abstract [en]

This paper is concerned with the parameter estimation of a general class of nonlinear dynamic systems in state-space form. More specifically, a Maximum Likelihood (ML) framework is employed and an Expectation Maximisation (EM) algorithm is derived to compute these ML estimates. The Expectation (E) step involves solving a nonlinear state estimation problem, where the smoothed estimates of the states are required. This problem lends itself perfectly to the particle smoother, which provides arbitrarily good estimates. The maximisation (M) step is solved using standard techniques from numerical optimisation theory. Simulation examples demonstrate the efficacy of our proposed solution.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2010. , 16 p.
Series
LiTH-ISY-R, ISSN 1400-3902 ; 2977
Keyword [en]
System identification, Nonlinear models, Dynamic systems, Monte Carlo method, Smoothing filters, Expectation maximisation algorithm, Particle methods
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-97750ISRN: LiTH-ISY-R-2977OAI: oai:DiVA.org:liu-97750DiVA: diva2:650693
Projects
CADICS
Available from: 2013-09-23 Created: 2013-09-23 Last updated: 2014-09-22Bibliographically approved

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Schön, Thomas

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • harvard1
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • oxford
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf