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Measuring and control the hysteresis loop by using analog and digital integrators

Z. PÓLIK1,* , M. KUCZMANN1

Affiliation

  1. Laboratory of Electromagnetic Fields, Department of Telecommunication, Széchenyi István University, Egyetem tér 1.H-9026 Győr, Hungary

Abstract

We have managed to build up a computer controlled measurement system applying National Instruments Data Acquisiton card and National Insturments LabVIEW software package. First, in a previous study, the specimen under test has been simulated by the Jiles-Atherton model of hysteresis, but simulated measurements have been performed using LabVIEW functions. Our main goal now is to control the magnetic flux density measured by using a toroidal shape core with a feedback controller. In this paper, we show the developed procedure which is able to measure the hysteresis characteristics applying analog and digital integrators, and to control the waveform of magnetic flux density determined from the induced voltage of the secondary coil wound on the toroidal shape core. Our experience is that the developed controller is robust. This work is an initial step of the vector hysteresis measurement system..

Keywords

Scalar magnetic hysteresis, Computer controlled hysteresis measurement system.

Submitted at: April 1, 2008
Accepted at: July 1, 2008

Citation

Z. PÓLIK, M. KUCZMANN, Measuring and control the hysteresis loop by using analog and digital integrators, Journal of Optoelectronics and Advanced Materials Vol. 10, Iss. 7, pp. 1861-1865 (2008)