A MODIFIED GAUSSIAN FUNCTION FOR MODELING MAGNETIC HYSTERESIS UNDER DYNAMIC CONDITIONS

MOURAD DAFRI; MOURAD NAIDJI; ABDELAZIZ LADJIMI; WAFA TOURAB TOURAB; ABDELHAMID KSENTINI KSENTINI

doi:10.59277/RRST-EE.2026.2.15

Authors

MOURAD DAFRI Electrical Engineering Department, Faculty of Engineering, Badji Mokhtari University, BP 12 Sidi Amar, Annaba 23000, Algeria. , Laboratoire de Génie Électrique (LGEG), Université 8 Mai 1945 Guelma, BP. 401, Guelma, Algeria. Author https://orcid.org/0000-0002-6472-7175 (unauthenticated)
MOURAD NAIDJI Laboratory of Electrical Engineering (LGE), Department of Electrical Engineering, University of M’Sila, P.O. Box 166 Ichebilia, M’Sila 28000, Algeria. Author
ABDELAZIZ LADJIMI Laboratory of Electrical Engineering (LGEG), University of May 8, 1945 Guelma, BP. 401, Guelma, Algeria. Author
WAFA TOURAB TOURAB Electrical Engineering Department, Faculty of Engineering, Badji Mokhtari University, BP 12 Sidi Amar, Annaba 23000, Algeria. Author
ABDELHAMID KSENTINI KSENTINI Electrical Engineering Department, Faculty of Engineering, Badji Mokhtari University, BP 12 Sidi Amar, Annaba 23000, Algeria. Author

DOI:

https://doi.org/10.59277/RRST-EE.2026.2.15

Keywords:

Preisach model, Magnetic hysteresis, Modified Gaussian distribution, Particle swarm optimization (PSO), NiFe₂O₄, Dynamic effects, Frequency, Temperature

Abstract

This paper presents a novel modified Gaussian distribution for the Preisach model to improve magnetic hysteresis modeling. Unlike classical distributions, the proposed approach incorporates additional parameters that provide a more accurate representation of the dispersion of elementary relay switching thresholds. The influence of each parameter on the hysteresis loop shape is analyzed in detail. The model parameters are identified using the particle swarm optimization (PSO) method, based on experimental data. The simulation results are then compared with experimental measurements on a NiFe₂O₄ ferrite, accounting for dynamic effects due to temperature and frequency. The results show that the proposed model provides good agreement between simulation and experiment, particularly regarding the width and slope of the hysteresis loops.

Author Biography

MOURAD DAFRI, Electrical Engineering Department, Faculty of Engineering, Badji Mokhtari University, BP 12 Sidi Amar, Annaba 23000, Algeria., Laboratoire de Génie Électrique (LGEG), Université 8 Mai 1945 Guelma, BP. 401, Guelma, Algeria.

Mourad Dafri is a Senior Lecturer (Class B) in the Department of Electrical Engineering, Faculty of Engineering, at Badji Mokhtar University, Annaba, Algeria. He received his M.Sc. degree in Electrical Engineering from Badji Mokhtar University in 2016 and his Doctorate degree in Electrical Engineering from the University of 8 May 1945, Guelma, Algeria, in 2021. He is currently a member of the LGEG Laboratory. His research interests include the characterization and modeling of magnetic losses in magnetic materials, magnetic hysteresis models, and electrical power quality.

References

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A MODIFIED GAUSSIAN FUNCTION FOR MODELING MAGNETIC HYSTERESIS UNDER DYNAMIC CONDITIONS

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