Approximation of electromagnetic force axial distribution in “single excitation coil – permanent magnet runner” module based on modified Kloss function

• Autorzy: Bartel Sebastian Jan , Kluszczyński Krzysztof

Identyfikatory

DOI

10.24425/aee.2024.152108

• Języki publikacji: EN

Abstrakty

EN

An elementary part of various electromagnetic devices or linear electric machines is a module consisting of an excitation coil and a permanent magnet (PM runner). The electromagnetic force axial distribution in this “single excitation coil – PM runner” module is usually determined by numerical field calculations at discrete runner positions. When solving the mathematical model, a table containing discrete values of the electromagnetic force axial distribution is usually used (the so-called lookup table). The authors of this article decided to find a simple analytic function that approximates the calculated discrete electromagnetic force function with technically sufficient accuracy and the smallest possible number of coefficients. After many attempts, they proposed the modified Kloss function with 2 coefficients denoted as S’ and M’ ,the values of which for the best approximation have to be determined using the optimization algorithm e.g. the Hooke–Jeeves algorithm. This analytical function reflects perfectly the nature of the discrete electromagnetic force axial distribution determined by the numerical field calculations and approximates the discrete function with fully satisfactory accuracy.

Słowa kluczowe

EN

approximation of discrete electromagnetic force axial distribution; electromagnetic pump; excitation coil; permanent magnet runner; Kloss function; linear permanent magnet machine

• Wydawca: Polish Academy of Sciences, Committee on Electrical Engineering
• Czasopismo: Archives of Electrical Engineering
• Rocznik: 2024
• Tom: Vol. 73, nr 4
• Strony: 1013--1023
• Opis fizyczny: Bibliogr 14 poz., rys., tab., wykr., wz.

Twórcy

autor

Bartel Sebastian Jan

• Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland

• https://orcid.org/0000-0003-4313-0289

autor

Kluszczyński Krzysztof

• Cracow University of Technology, Warszawska 24, 31-155 Kraków, Poland

• https://orcid.org/0000-0002-3685-3756

Bibliografia

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