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This paper presents a new study on the comparison of dual-rotor single-stator (DRSS) and dual-stator single-rotor (DSSR) axial flux-switching permanent magnet (AxFSPM) machines. The DRSS and DSSR AxFSPM machines have the same dimensions except for stator and rotor yoke lengths. 3-D finite element analysis (FEA) and experimental verification are used for the comparison study. The comparison results...
The paper presents the performances' analysis for an axial-flux permanent magnet synchronous machine designed for the propulsion of a special light electric vehicle. The analysis of the studied machine is made analytically and numerically. A special attention will be considered for the torque ripples decrease. The obtained results of the proposed solution will be related to an electric scooter dedicated...
This paper presents an analytical solution for prediction of the no-load magnetic field in slotted semi-closed permanent magnet axial flux synchronous machines. The technique is based on 2-D solution of the Maxwell's equations using the separation of variables method, this technique is validated for two different machines. The magnetic field expressions are developed in slots regions, magnetic airgap...
Torque ripple is the parasitic element that causes mechanical vibration, acoustic noise and even latent operational failure in permanent magnet (PM) machines. Consequently, considerable design efforts should be made to minimize torque ripple of the machines for high performance applications. In this paper, one cost effective torque ripple reduction technique is proposed and investigated for an axial...
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