Magnetic Susceptibility Estimation for Magnetostatics

Journal article (2019)

Authors

A.R.P.J. Vijn Mathematical Physics - EEMCS
J.L.A. Dubbeldam Mathematical Physics - EEMCS
M.B. van Gijzen Numerical Analysis - EEMCS
A.W. Heemink Mathematical Physics - EEMCS
Research Group
Mathematical Physics (EEMCS) (TU Delft)
Copyright: © 2019 A.R.P.J. Vijn, Eugene Lepelaars, J.L.A. Dubbeldam, M.B. van Gijzen, A.W. Heemink
DOI: https://doi.org/10.1109/TMAG.2019.2892346
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Published Date

2019

Language

English

Reuse Rights

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Faculty

Electrical Engineering, Mathematics and Computer Science

Department

Delft Institute of Applied Mathematics

Research Group

Mathematical Physics

Abstract

This paper presents a parameter estimation method to determine the linear behavior of an object constructed of thin plates. Based on the magnetostatic field equations, an integral equation is derived that fully determines the induced magnetization, whenever the spatial magnetic susceptibility distribution is known. This forward problem is used as an underlying physical model for the parameter estimation method. Using near-field magnetic measurements around a thin plate, the parameter estimation yields a distribution of the magnetic susceptibility. Furthermore, a sensitivity analysis is performed to understand the behavior of this parameter estimation method.

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