Jiles-Atherton Magnetic Hysteresis Parameters Identification

• Authors: N. Pop , O. Caltun
• Languages of publication: EN

Abstracts

EN

This paper presents a method of fitting the magnetic hysteresis curves using a calculating algorithm within a computer programme. The calculating programme uses the equations of the Jiles-Atherton model to simulate the M(H) magnetization curve. The aim of this program is to find the values of the parameters which are part of the Jiles-Atherton model once the regression curve for a major magnetization curve obtained experimentally is found. The values of these parameters can be increased or decreased gradually. The parameters modification takes place in such a way that the root mean square deviation between the points of the two graphs, also experimentally simulated, should decrease gradually and, in the end, it should be found below the preestablished percentage value in comparison to the previous value. The procedure for minimizing the root mean square deviation has as a result the fact that the simulated curve represents the regression curve. The calculating programme considers a second method of calculating the values of the parameters by using the already found regression curve. This paper also presents the values of the Jiles-Atherton model parameters obtained by fitting the magnetization curves of several cobalt ferrites samples, sintered at different temperatures.

Keywords

EN

75.60.-d; 75.60.Ej

Discipline

• 75.60.-d: Domain effects, magnetization curves, and hysteresis(for dynamics of domain structures, see 75.78.Fg)
• 75.60.Ej: Magnetization curves, hysteresis, Barkhausen and related effects(for hysteresis in ferroelectricity, see 77.80.Dj)

• Publisher: Institute of Physics, Polish Academy of Sciences
• Journal: Acta Physica Polonica A
• Year: 2011
• Volume: 120
• Issue: 3
• Pages: 491-496

Dates

published

2011-09

received

2010-01-28

(unknown)

2011-02-23

(unknown)

2011-12-03

Contributors

author

N. Pop

• "Al. I. Cuza" University, Faculty of Physics & Carpath Center, 700506 Iasi, Romania

author

O. Caltun

• "Al. I. Cuza" University, Faculty of Physics & Carpath Center, 700506 Iasi, Romania

References

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• 6. F.R. Fulginei, A. Salvini, IEEE Trans. Magn. 41, 1100 (2005)
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• 8. M. Toman, G. Stumberger, D. Dolinar, IEEE Trans. Magn. 44, 1098 (2008)
• 9. H. Hauser, Y. Melikhov, D.C. Jiles, IEEE Trans. Magn. 45, 1940 (2009)
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• 13. M.J. Sablick, D.C. Jiles, IEEE Trans. Magn. 29, 2113 (1993)

Identifiers

DOI

10.12693/APhysPolA.120.491