Dipartimento d'Ingegneria

Electrical Engineering - Elettrotecnica

The field studies the theoretical and experimental aspects and the development of related applications of the two complementary strands of EMF and electrical and electronic circuits in civil, industrial and information engineering. In the first field problems of electromagnetic field, electromagnetic compatibility, and magnetofluidodinamics, of modeling and diagnostics of electric and magnetic materials of interest are studied. In the second line we study circuits, both analog and digital, and the related models: linear, nonlinear and time-varying lumped and distributed signal and power, mono and multi-dimensional. The two complementary approaches are applied to the analysis, synthesis, numerical modeling and automatic design of the equipment, devices and electrical systems, engineering of plasmas, thermonuclear fusion, particle accelerators, electrothermics, electromagnetic compatibility, the quality, safety and environmental impact in electrical applications, the circuits for signal processing, neural networks and adaptive circuits, power electronics and conversion of electrical energy.

E. Cardelli, A. Faba, " A Benchmark Problem of Vector Magnetic Hysteresis for Numerical Models", IEEE Transactions on Magnetics, VOL. 50, NO. 2, February 2014, ISSN: 0018-9464. 

Abstract - In this paper we present a benchmark problem for the validation of numerical models of vector magnetic hysteresis. The problem geometry and the measurement system are described. The materials considered are both oriented grain OG and not oriented grain NOG Si-Fe steels. A series of experimental data about magnetic field and magnetic induction loci under rotational magnetization are presented with the corresponding magnetic losses. The measured data can be useful as a reference for the numerical models testing, comparison and development. In addition, we propose here a comparison of the experimental data with the numerical results computed  using a vector hysteresis model based on the extension of the Preisach model in 2-d.

A presentation of this work is in the attachment file.

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