Luca Mandrile
Comparative Finite Element Analysis of Surface-Mounted and V-Shape Interior Axial-Flux Permanent Magnet Machines for Electric Traction.
Rel. Federica Graffeo, Silvio Vaschetto, Fabio Venturini. Politecnico di Torino, Corso di laurea magistrale in Ingegneria Elettrica, 2026
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Abstract
The electrification of automotive and traction applications has intensified demand for electric machines combining high torque density with extended speed operation. In this landscape, Axial Flux Permanent Magnet (AFPM) machines are emerging as an alternative to conventional Radial Flux topologies, offering compact axial length and specific torque capabilities. While the Surface-Mounted Permanent Magnet (SPM) configuration represents the current industrial standard for axial flux motors, the Interior Permanent Magnet (IPM) topology remains less explored in the axial domain. The primary objective of this thesis is to perform a comparative study between a Surface-Mounted (AF-SPM) and a novel V-shaped Interior Permanent Magnet (AF-IPM) axial flux machine.
The comparison is conducted under parity conditions: both machines share the same stator geometry, winding layout, and rated electrical constraints, ensuring that any performance deviation is strictly attributable to the rotor anisotropy and magnet placement
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