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Dynamics of a magnetic gear with two cogging-free operation modes

DOI zum Zitieren der Version auf EPub Bayreuth: https://doi.org/10.15495/EPub_UBT_00005333
URN to cite this document: urn:nbn:de:bvb:703-epub-5333-7

Title data

Hartung, Stefan ; Rehberg, Ingo:
Dynamics of a magnetic gear with two cogging-free operation modes.
In: Archive of Applied Mechanics. Vol. 91 (2020) Issue 4 . - pp. 1423-1435.
ISSN 0939-1533
DOI der Verlagsversion: https://doi.org/10.1007/s00419-020-01830-z

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Abstract

The coupling of two rotating spherical magnets is investigated experimentally. For two specific angles between the input and output rotation axes, a cogging-free coupling is observed, where the driven magnet is phase-locked to the driving one. The striking difference between these two modes of operation is the reversed sense of rotation of the driven magnet. For other angles, the experiments reveal a more complex dynamical behavior, which is divided in three different classes. This is done by analyzing the deviation from a periodic motion of the driven magnet, and by measuring the total harmonic distortion of this rotation. The experimental results can be understood by a mathematical model based on pure dipole–dipole interaction, with the addition of adequate friction terms.

Further data

Item Type: Article in a journal
Keywords: Couplings; Gears; Permanent magnets; Permanent magnet machines; Rotating machines
DDC Subjects: 500 Science > 530 Physics
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Former Professors > Chair Experimental Physics V - Univ.-Prof. Dr. Ingo Rehberg
Profile Fields > Advanced Fields > Nonlinear Dynamics
Faculties
Faculties > Faculty of Mathematics, Physics und Computer Science
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Experimental Physics V
Profile Fields
Profile Fields > Advanced Fields
Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Former Professors
Language: English
Originates at UBT: Yes
URN: urn:nbn:de:bvb:703-epub-5333-7
Date Deposited: 17 Mar 2021 10:02
Last Modified: 11 Jun 2021 08:53
URI: https://epub.uni-bayreuth.de/id/eprint/5333

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