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This paper employs an overhang structure for axial flux permanent magnet motor to enhance the torque density. However, the overhang structure requires a computationally expensive 3-D finite-element method (FEM) for analysis, because a quasi-3-D FEM cannot be applied to such a geometry. Thus, in order to reduce the computational cost of above-mentioned topology, this paper adopts a field reconstruction...
In this paper, the overhang structure which has been used in the radial flux permanent magnet motor was applied to the axial flux permanent magnet (AFPM) motor. We used a field reconstruction method (FRM) to quickly and precisely analyze the overhang effect from overhang structure. The FRM uses the air-gap field generated by a single slot per phase of the stator and by the permanent magnet (PM) on...
Single Phase Flux Switching Reluctance Motor(SPFSRM) is a new class doubly-salient brushless motor, which is emerging in recent years. To accurately describe the electromagnetic characteristics of FSM, the high rank continuous nonlinear inductance function was formulated based on the method of Fourier expansion and numeric fitting. A 2kW 8/4 pole prototype FSM was designed and the experiment was done...
In this paper, a novel concept of repulsion velocity is adapted to original PSO. The concept of repulsive velocity is originated from the behavior to keep out of area which has low fitness. Proposed technique shows more improved convergence and reduces the number of function call compared to original PSO. The validness of the proposed algorithm is verified by an application to a test function.
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