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In this paper, a method is proposed to detect asymmetrical demagnetization defects in single-stator double-rotor axial flux permanent magnet synchronous machines (AFPMSMs). Sensing coils back-EMF data and an analytical model are combined to solve an electromagnetic inverse problem. The method is validated with numerical and experimental data.
Optimizing complex engineering problems may demand large computational efforts because of the use of numerical models. Global optimization can be established through the use of evolutionary algorithms, but may demand a prohibitive amount of computational time. In order to reduce the computational time, we incorporate in the global optimization procedures a physics-based fast coarse model. This paper...
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