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Estimating models of inverse systems
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, The Institute of Technology.
2013 (English)In: Proceedings of the 52nd IEEE Conference on Decision and Control, 2013, 7143-7148 p.Conference paper, Published paper (Refereed)
Abstract [en]

This paper considers the problem of how to estimate a model of the inverse of a system. The use of inverse systems can be found in many applications, such as feedforward control and power amplifier predistortion. The inverse model is here estimated with the purpose of using it in cascade with the system itself, as an inverter. A good inverse model in this setting would be one that, when used in series with the original system, reconstructs the original input. The goal here is to select suitable inputs, experimental conditions and loss functions to obtain a good input estimate. Both linear and nonlinear systems will be discussed.

For nonlinear systems, one way to obtain a linearizing prefilter is by Hirschorn’s algorithm. It is here shown how to extend this to the postdistortion case, and some formulations of how the pre- or postinverter could be estimated are also presented. 

Place, publisher, year, edition, pages
2013. 7143-7148 p.
Keyword [en]
System identification, Linear systems, Nonlinear systems
National Category
Control Engineering
Identifiers
URN: urn:nbn:se:liu:diva-103999DOI: 10.1109/CDC.2013.6761022ISBN: 978-1-4673-5714-2 (print)OAI: oai:DiVA.org:liu-103999DiVA: diva2:694102
Conference
52nd IEEE Conference on Decision and Control, Florence, Italy, December 10-13, 2013
Funder
eLLIIT - The Linköping‐Lund Initiative on IT and Mobile Communications
Available from: 2014-02-05 Created: 2014-02-05 Last updated: 2016-06-22

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Jung, YlvaEnqvist, Martin

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CiteExportLink to record
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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