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Limit results for sampled systems
Department of Electrical Engineering, Linköping University. (Automatic Control)ORCID iD: 0000-0002-1927-1690
1988 (English)In: International Journal of Control, ISSN 0020-7179, E-ISSN 1366-5820, Vol. 48, no 3, 1267-1283 p.Article in journal (Refereed) Published
Abstract [en]

Properties of discrete time systems obtained by sampling continuous time systems are described. By introducing prefilters, we can treat different ways of sampling within one framework. Results on the convergence of poles and zeros of transfer functions and noise filters as the sampling interval tends to zero are given. These results are generalizations of the results of Astrom, Hagander and Sternby (1984) on the convergence of poles and zeros for zero-order hold sampled transfer functions. Sampled noise models are analyzed. Knowledge of these properties is important in discrete time simulations of continuous time systems, and identification of continuous time models based on discrete time measurements.

Place, publisher, year, edition, pages
1988. Vol. 48, no 3, 1267-1283 p.
Keyword [en]
Control Systems, Sampled Data, Signal Filtering and Prediction, Continuous Time Systems, Discrete Time Measurements, Noise Filters, Prefilters, Sampled Noise Models, Sampled Transfer Functions, Control Systems, Discrete Time
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:kth:diva-55454DOI: 10.1080/00207178808906245ISI: A1988Q295100024OAI: oai:DiVA.org:kth-55454DiVA: diva2:471559
Note
QC 20120104Available from: 2012-01-02 Created: 2012-01-02 Last updated: 2017-12-08Bibliographically approved

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Wahlberg, Bo

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