Analytical modeling of an inductive sensor with open magnetic core and conductive shielding above a multi-layered medium
Laboratoire de Génie Electrique de Paris (LGEP), CNRS UMR8507, Supelec, Univ. Pierre et Marie Curie-P6, Univ. Paris Sud-11, 91192
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Accepted: 4 December 2013
Published online: 3 March 2014
Inductive sensors are used to detect or test magnetic and/or conductive targets. In this paper, a simplified analytical modeling of an inductive sensor having a magnetic core and a conductive shielding is presented with an inspected target consisting in a stratified medium. Two shapes of magnetic core geometries are considered: cup-core and U-core. Comparisons of results obtained using the analytical model with numerical and experimental data show a quite good agreement in spite of the modeling assumptions.
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