<abstract xmlns="http://www.w3.org/1999/xhtml"><p>This work describes a specially developed software for controllable magnetic hysteresis measurements of amorphous and nanocrystalline ribbons. The sophisticated algorithm enables to simplify a hardware design and to suppress an influence of experimental conditions on the measurement results. The main software feature is a three-stage feedback algorithm, which accurately adjusts the magnetization conditions: magnetization amplitude, geomagnetic bias and magnetization waveform. Air flux compensation of the induction signal is also performed by the software using an effective value of the coil cross section obtained from a calibration measurement without the ribbon. Applicability of the designed setup is illustrated for a series of nanocrystalline Hitperm ribbons measured at the power-line conditions: 50 Hz frequency and sinusoidal magnetization waveform.</p></abstract>

This work describes a specially developed software for controllable magnetic hysteresis measurements of amorphous and nanocrystalline ribbons. The sophisticated algorithm enables to simplify a hardware design and to suppress an influence of experimental conditions on the measurement results. The main software feature is a three-stage feedback algorithm, which accurately adjusts the magnetization conditions: magnetization amplitude, geomagnetic bias and magnetization waveform. Air flux compensation of the induction signal is also performed by the software using an effective value of the coil cross section obtained from a calibration measurement without the ribbon. Applicability of the designed setup is illustrated for a series of nanocrystalline Hitperm ribbons measured at the power-line conditions: 50 Hz frequency and sinusoidal magnetization waveform.

Three–Parameter Feedback Control of Amorphous Ribbon Magnetization

Institute of Physics, Academy of Sciences of the Czech Republic, v.v.i., Na Slovance 2, 182 21 Prague, Czech Republic

Institute of Physics, Slovak Academy of Sciences, D´ubravsk´a cesta 9, 845 11 Bratislava, Slovakia

Journal of Electrical Engineering

{"article-title":"Three\u2013Parameter Feedback Control of Amorphous Ribbon Magnetization"}

This work describes a specially developed software for controllable magnetic hysteresis measurements of amorphous and nanocrystalline ribbons. The...

Three–Parameter Feedback Control of Amorphous Ribbon Magnetization

Pubblicato online: 08 giu 2013

Pagine: 166 - 172

DOI: https://doi.org/10.2478/jee-2013-0024

Parole chiave
magnetic variables measurement, magnetic hysteresis, digital feedback control, amorphous magnetic materials

This content is open access.

Three–Parameter Feedback Control of Amorphous Ribbon Magnetization

Pubblicato online: 08 giu 2013

Pagine: 166 - 172

DOI: https://doi.org/10.2478/jee-2013-0024

Parole chiavemagnetic variables measurement, magnetic hysteresis, digital feedback control, amorphous magnetic materials

This content is open access.

Parole chiave
magnetic variables measurement, magnetic hysteresis, digital feedback control, amorphous magnetic materials