The Mitigation of The Torque Ripples By Applying Stepping And Shifting To The Rotor Magnets In Surface PM Axial Flux Motors

Axial flux motors are one of the promising motor types in the literature due to the advantageous specifications. They provide crucial advantages against the radial flux motors in contrast to moving torque by the volume and the weight. Since the motors that have sinusoidal back emf have lower torque ripples, the adduction of back EMF waveform to the sinusoidal by applying the stepping and shifting on the rotor magnets and the mitigation of the torque ripples is researched in this paper. Shifting and stepping method is applied to the rotor magnet in the 3D analysis to realize that. Moreover, to get the best results, the optimum initial position is determined before the back emf and moving torque analysis. While analyzing, the optimum value of the moment is found in contrast to the different initial positions. In addition to that, mean torque values versus initial positions is illustrated as a rectangular plot