Difficulty in identification of Preisach hysteresis model weighting function using first order reversal curves method in soft magnetic materials

Kód výsledku v IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F46747885%3A24220%2F17%3A00004317" target="_blank" >RIV/46747885:24220/17:00004317 - isvavai.cz</a>

Výsledek na webu

<a href="http://dx.doi.org/10.1016/j.amc.2017.05.017" target="_blank" >http://dx.doi.org/10.1016/j.amc.2017.05.017</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.amc.2017.05.017" target="_blank" >10.1016/j.amc.2017.05.017</a>

Jazyk výsledku

angličtina

Název v původním jazyce

Difficulty in identification of Preisach hysteresis model weighting function using first order reversal curves method in soft magnetic materials

Popis výsledku v původním jazyce

The Preisach model can be used for detailed analysis of devices based on ferromagnetic materials, if its parameter, its weighting function, is well-known. Usually the weighting function is approximated by analytical formula. The second approach is to determine it directly from experimental data. Most widely used method to obtain the weighting func- tion is the first order reversal curve method that is based on two partial derivatives of measured magnetization using a special excitation pattern beginning from deep material saturation. Since the derivative enhances the experimental error, a precision experiment is necessary. Furthermore, it is not easy to achieve the deep saturation with the required signal pattern. Therefore sophisticated data processing followed, in order to reduce ex- perimental errors before performing the numerical derivative. The paper concerns mea- surements errors caused by insufficient saturation and also problems of negative values of the weighting function, partially due to the noise. Irrespective of measurement errors, the agreement between model and experiment is good and fully acceptable in technical praxis.

Název v anglickém jazyce

Difficulty in identification of Preisach hysteresis model weighting function using first order reversal curves method in soft magnetic materials

Popis výsledku anglicky

The Preisach model can be used for detailed analysis of devices based on ferromagnetic materials, if its parameter, its weighting function, is well-known. Usually the weighting function is approximated by analytical formula. The second approach is to determine it directly from experimental data. Most widely used method to obtain the weighting func- tion is the first order reversal curve method that is based on two partial derivatives of measured magnetization using a special excitation pattern beginning from deep material saturation. Since the derivative enhances the experimental error, a precision experiment is necessary. Furthermore, it is not easy to achieve the deep saturation with the required signal pattern. Therefore sophisticated data processing followed, in order to reduce ex- perimental errors before performing the numerical derivative. The paper concerns mea- surements errors caused by insufficient saturation and also problems of negative values of the weighting function, partially due to the noise. Irrespective of measurement errors, the agreement between model and experiment is good and fully acceptable in technical praxis.

Druh

J_imp - Článek v periodiku v databázi Web of Science

CEP obor

—

OECD FORD obor

20201 - Electrical and electronic engineering

Projekt

—

Návaznosti

S - Specificky vyzkum na vysokych skolach

Rok uplatnění

2017

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název periodika

Applied Mathematics and Computation

ISSN

0096-3003

e-ISSN

—

Svazek periodika

319

Číslo periodika v rámci svazku

February

Stát vydavatele periodika

US - Spojené státy americké

Počet stran výsledku

17

Strana od-do

469-485

Kód UT WoS článku

000415906200037

EID výsledku v databázi Scopus

2-s2.0-85019479393