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State of the Art in Linear System Identification: Time and Frequency Domain Methods
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2004 (English)In: Proceedings of the 2004 American Control Conference, 2004, 650-660 vol.1 p.Conference paper, Published paper (Refereed)
Abstract [en]

—Identication of time-invariant linear dynamic systems is a mature subject. In this contribution we focus on the interplay between methods that use time and frequency domain data, respectively. The frequency domain data could be either input/output Fourier transforms or frequency functions. We explain how these different kinds of data types are used to fit models, and how closely related the methods are. Of special interest is how transients (initial conditions and deviations from periodic signals) are handled. Direct estimation of time-continuous models is also discussed, as well as software aspects.

Place, publisher, year, edition, pages
2004. 650-660 vol.1 p.
Keyword [en]
Frequency, Domain, Identification
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-22551Local ID: 1816ISBN: 0-7803-8335-4 (print)OAI: oai:DiVA.org:liu-22551DiVA: diva2:242864
Conference
2004 American Control Conference, Boston, MA, USA, June-July, 2004
Available from: 2009-10-07 Created: 2009-10-07 Last updated: 2013-09-15

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Ljung, Lennart

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