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2026-07-31
Research on Vibration Suppression of Flux-Switching Permanent Magnet Machine
By
Progress In Electromagnetics Research C, Vol. 172, 79-88, 2026
Abstract
To address vibration and noise issues in outer-rotor flux-switching permanent-magnet (OR-FSPM) machines for high-precision applications, radially magnetized PMs are placed between regular tangentially magnetized PMs, forming a U-shaped structure. An air-gap magnetic barrier is introduced between the two types of PMs to achieve magnetic isolation. Then, the spatiotemporal distribution of radial electromagnetic force density (EFD) waves is derived based on the magnetomotive force permeance model. Modal and harmonic response analyses are then conducted for both the conventional and proposed U-shaped machine topologies using electromagnetic-structural field simulations to reveal vibrational characteristics. The results demonstrate that the proposed U-shaped topology effectively suppresses second-order resonance while maintaining superior electromagnetic performance.
Citation
Libing Jing, Longxiang Han, Yeming Zhu, Mingji Yin, Yuhui Huang, and Zeyu Min, "Research on Vibration Suppression of Flux-Switching Permanent Magnet Machine," Progress In Electromagnetics Research C, Vol. 172, 79-88, 2026.
doi:10.2528/PIERC26060103
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