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Multiphysics modeling and experimental verification of ultra-fast electro-mechanical actuators
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. ABB AB Corporate Research, Sweden.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering. ABB AB Corporate Research, Sweden.ORCID iD: 0000-0003-3515-3536
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2015 (English)In: International journal of applied electromagnetics and mechanics, ISSN 1383-5416, E-ISSN 1875-8800, Vol. 49, no 1, 51-59 p.Article in journal (Refereed) Published
Abstract [en]

In this paper, a multi-physics computational tool has been developed to accurately model and build high performance ultra-fast actuators. The research methodology is based on a finite element method model coupled with a circuit model. Electromagnetic, thermal, mechanical, and algebraic equations are implemented in Comsol Multiphysics and verified with laboratory experiments of a built prototype. A simplified model is preferred as long as its underlying assumptions hold. However, in the presence of large current and force densities, nonlinearities such as deformations may occur. Such phenomena can only be captured by the use of the developed comprehensive multi-physics simulation model. Although this model is computationally demanding, it was shown to have an accuracy of at least 95% when compared with experiments.

Place, publisher, year, edition, pages
2015. Vol. 49, no 1, 51-59 p.
Keyword [en]
Actuators, magnetic fields, mechanical factors, multiphysics, thermal factors
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-175950DOI: 10.3233/JAE-140176ISI: 000361966600006Scopus ID: 2-s2.0-84942912125OAI: oai:DiVA.org:kth-175950DiVA: diva2:865798
Funder
SweGRIDS - Swedish Centre for Smart Grids and Energy Storage
Note

QC 20151029

Available from: 2015-10-29 Created: 2015-10-26 Last updated: 2017-12-01Bibliographically approved

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Magnusson, Jesper

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CiteExportLink to record
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Citation style
  • apa
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  • vancouver
  • Other style
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  • de-DE
  • en-GB
  • en-US
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  • Other locale
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Output format
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