Magnetic Susceptibility Estimation for Magnetostatics

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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.

Original languageEnglish
Article number8630674
Pages (from-to)1-9
Number of pages9
JournalIEEE Transactions on Magnetics
Volume55
Issue number3
DOIs
Publication statusPublished - 2019

Bibliographical note

Accepted author manuscript

Keywords

  • Forward problem
  • induced magnetization
  • inversion
  • magnetic susceptibility
  • parameter estimation
  • regularization

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