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Article Dans Une Revue COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering Année : 2008

Identification of Ferromagnetic Thin Sheets Magnetization: Use of the Gradient and Potential measurements

Résumé

This paper aims to present the use of magnetic gradient, and magnetic potential measurements in the specific case of magnetization identification for a thin sheet. Usually, induction measurements are only used. After a brief description of the magnetic gradient and magnetic scalar potential notions, methods to calculate them are presented and validated. These two kinds of measurements are tested for a numerical identification case. Then, virtual measurements can be generated and used for inverse problem resolution. Advantages of using induction, magnetic gradient or magnetic potential measurements are then discussed. A previous method to solve inverse problem based on induction measurement has been increased by the capability of using other kind of measurements. A numerical approach has allowed to validate the use of magnetic gradient or magnetic scalar potential measurement as information sources. Usually, induction measurements are only used. Inversion resolution using other kind of measurements than the induction can be made. An experimental validation has been done for gradient measurements.
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Dates et versions

hal-03048072 , version 1 (09-12-2020)

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Gilles Cauffet, Jean-Louis Coulomb, Sébastien Guérin, Olivier Chadebec, Yannick Vuillermet. Identification of Ferromagnetic Thin Sheets Magnetization: Use of the Gradient and Potential measurements. COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering, 2008, 27 (1), pp 56-63. ⟨10.1108/03321640810836636⟩. ⟨hal-03048072⟩
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