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Analysis of Losses in a Magnetostrictive Device Under Dynamic Supply Conditions

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4 Author(s)
Zucca, M. ; Ist. Naz. di Ricerca Metrologica, INRiM, Torino, Italy ; Roccato, P.E. ; Bottauscio, O. ; Beatrice, C.

This paper, starting from previous experiences in modeling the magneto-mechanical behavior of magnetoelastic materials, faces the problem of loss evaluation of a magnetostrictive device. Measurements and simulations in a prototype actuator are here presented and compared, showing a general good agreement. The model is consequently used for a reliable loss separation. The effects of magnetization bias, preload and supply frequency on electric and magnetic losses are deepened and discussed.

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Magnetics, IEEE Transactions on  (Volume:46 ,  Issue: 2 )