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A novel axial flux permanent magnet eddy-current coupling (PMECC) employing a new magnetic field adjustment (MFA) method is proposed in this paper. The structural feature and operation principle of the novel PMECC are illustrated. The magnetic equivalent circuit (MEC) model is built in this paper to analyze its electromagnetic characteristics efficiently. For improving the torque capability, the structure...
Ia this paper, a Halbach arc linear permanent magnet machine (ALPMM) for large telescope application is analyzed by finite element method. The ALPMM consists of one rotor and three segmental stators in which the stator core and windings are characterized by “C” shape. A 3-D air-gap, which can significantly increase the torque density, is formed between the C-shape stator and the rotor. The key electromagnetic...
A 3D analytical model is developed for the computation of the no-load magnetic field distribution in flux reversal linear-rotary permanent magnet actuator (FR-LRPMA) with two PM poles (PM_pole) and two ferromagnetic poles (Fe_pole) on each stator tooth. Then a 3D model for calculating the air-gap permeance is presented considering the effect of stator slot and the permeance difference of Fe_pole and...
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