Simulation of the effect of segmented axial direction magnets on the efficiency of in-wheel permanent magnet brushless DC motors used in light electric vehicles based on finite element method

Author(s):  
Ali Sinan Cabuk
2012 ◽  
Vol 2012 ◽  
pp. 1-6
Author(s):  
Uma Devi Kumaravelu ◽  
Sanavullah Mohamed Yakub

A method of simulation and modeling outer rotor permanent magnet brushless DC (ORPMBLDC) motor under dynamic conditions using finite element method by FEMM 4.2 software package is presented. In the proposed simulation, the torque developed at various positions of the rotor, under a complete cycle of excitation of the stator, is analysed. A novel method of sinusoidal excitation is proposed to enhance the overall torque development of ORPMBLDC motor.


2014 ◽  
Vol 904 ◽  
pp. 504-507
Author(s):  
Cai Hong Zhu ◽  
Hong Tao Zhang

2D whole field finite element method (FEM) based on ANSOFT software was adapted, and the magnetic field distribution of permanent-magnet brushless DC motor (BLDC) were calculated. The above discussion can provide reliable theory foundation for the reasonable establishment of nonlinear model BLDC and the further exploitation and application.


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