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Performance improvement of hysteresis parameter determination
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
KTH, School of Electrical Engineering (EES), Electromagnetic Engineering.
2006 (English)In: 12th Biennial IEEE Conference on Electromagnetic Field Computation, CEFC 2006, 2006Conference paper, Published paper (Refereed)
Abstract [en]

Recently it has been shown that a physical hysteresis model has a unique mathematical solution for a given magnetic material. This solution gives maximum agreement between measured and simulated virgin curve and major loop. As the analytical solution is complicated and difficult to find it was necessary to find the optimum by an approximation. Standard optimization methods found only local optima, because the system is non-linear and non-convex. This paper shows how a stochastic method can be applied to fast approach the global solution.

Place, publisher, year, edition, pages
2006.
Keyword [en]
Approximation theory, Magnetic materials, Mathematical models, Parameter estimation, Random processes, Hysteresis parameters, Stochastic methods, Magnetic hysteresis
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-36768DOI: 10.1109/CEFC-06.2006.1633083Scopus ID: 2-s2.0-37649028778ISBN: 9781424403202 (print)OAI: oai:DiVA.org:kth-36768DiVA: diva2:431098
Note
QC 20110715Available from: 2011-07-15 Created: 2011-07-14 Last updated: 2011-07-15Bibliographically approved

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