An Overview on Preisach and Jiles-Atherton Hysteresis Models for Soft Magnetic Materials

Abstract : The design of efficient and high power density electrical machines needs an accurate characterization of magnetic phenomena. Core losses estimation is usually addressed by empirical models, where its lack of accuracy is well known. Hysteresis models are able to take an insight into the magnetic physical mechanisms. Compared to the empirical models, they contribute to a higher accuracy in modeling electromagnetic systems, including core losses estimation. At a macroscopic level, two models are often used: the Preisach and the Jiles–Atherton (J–A) models. This paper presents their basic formulation, as well the main limitations and scope of application. This is a first step to investigate the possible application of hysteresis models, in order to reach accurate core losses estimation in switched reluctance machines.
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Pedro Melo, Rui Araújo. An Overview on Preisach and Jiles-Atherton Hysteresis Models for Soft Magnetic Materials. 8th Doctoral Conference on Computing, Electrical and Industrial Systems (DoCEIS), May 2017, Costa de Caparica, Portugal. pp.398-405, ⟨10.1007/978-3-319-56077-9_39⟩. ⟨hal-01629607⟩

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