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Efficient worst-case analysis of electronic networks in intervals of frequency
Univ Fed Santa Catarina, Brazil.
Ecole Cent Lyon, France.
Linköping University, Department of Electrical Engineering, Automatic Control. Linköping University, Faculty of Science & Engineering.
Ecole Cent Lyon, France.
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2018 (English)In: International journal of numerical modelling, ISSN 0894-3370, E-ISSN 1099-1204, Vol. 31, no 2, article id e2249Article in journal (Refereed) Published
Abstract [en]

This paper presents a new method to compute upper and lower bounds of any voltage or current of an arbitrary linear electric circuit model with uncertain parameters. The bounds are in the frequency domain, and when compared to a previously proposed method, this novel approach provides a higher level of guarantee. The reason is that the bounds are not only computed for a set of fixed frequencies but also computed to a set of intervals of frequencies. The details of the proposed approach, especially the equivalent uncertain element models, are given. Additionally, tests are performed on problems with low and high number of uncertain parameters. Contrary to the classical method of Monte Carlo, the results are not based on a random choice of parameters and do not depend on the number of iterations. It is shown on an example that the classical method of Monte Carlo needs a high number of iterations to reach results in agreement with the proposed method. Then, it leads to higher computation times of several orders of magnitude.

Place, publisher, year, edition, pages
WILEY , 2018. Vol. 31, no 2, article id e2249
Keyword [en]
convex optimization; electric circuits; robustness analysis; uncertainty; worst-case analysis
National Category
Computational Mathematics
Identifiers
URN: urn:nbn:se:liu:diva-145435DOI: 10.1002/jnm.2249ISI: 000425467600017OAI: oai:DiVA.org:liu-145435DiVA, id: diva2:1194622
Conference
10th International Symposium on Electric and Magnetic Fields (EMF)
Note

Funding Agencies|LIA Maxwell French-Brazilian collaboration; Swedish-Brazilian Research and Inovation Center (CISB)

Available from: 2018-04-03 Created: 2018-04-03 Last updated: 2018-04-03

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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
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