Abstract
In order to solve the problem that the electromagnetic force of the magnetic slipper pair does not match with the pressing force, a new type of magnetic slipper pair structure is proposed in which the main coil generates a stable force and the auxiliary coil generates a changing force. The model of magnetic slipper pair has established and the simulation analysis has carried out to investigate the variation of the magnetic field around swashplate and coils with the change of the iron core size and the current of coil. The results show that the average magnetic field intensity around the auxiliary coil is greater than that of the main coil when the same current is applied, and the magnetic field intensity on the coil axis increases first and then decreases when different currents are applied; the magnetic field distribution on swashplate uniformly only the main coil is energized, when the main and auxiliary coils are energized at the same time, the magnetic field intensity on the circumference of swashplate with a 34mm radius changes periodically, the larger the current in auxiliary coil and the smaller the diameter of auxiliary core, the greater the magnetic field intensity and electromagnetic force on this circle.
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