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Title: A numerical optimisation method for obtaining technically smooth magnetisation characteristics
Authors: Vande Sande, Hans ×
Pahner, Uwe
De Gersem, Herbert
Hameyer, Kay
Froyen, Ludo #
Issue Date: 2003
Publisher: Ios press
Series Title: International journal of applied electromagnetics and mechanics vol:17 issue:1-3 pages:231-241
Abstract: In general, if measurements can be repeated several times assuming the same conditions, the measurement error can significantly be decreased by statistically evaluating the measurements. However, an uncertainty band always remains. Non-linear numerical simulations based on e.g. the Newton-Raphson method may establish a poor convergence if they are provided directly with measured data. Therefore, data pre-processing is required. Here, a neural network approach is employed. A two-layer perceptron is fitted on a measured magnetisation curve, thereby restricting the solution to be technically feasible while accepting the statistical nature of the data. By using a perceptron, an analytical expression of the magnetisation curve is obtained and expressions for its derivatives can easily be computed.
URI: 
ISSN: 1383-5416
Publication status: published
KU Leuven publication type: IT
Appears in Collections:ESAT - ELECTA, Electrical Energy Computer Architectures
Physical Metallurgy and Materials Engineering Section (-)
× corresponding author
# (joint) last author

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