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This work describes a concept of a magnetically levitated homopolar bearingless slice motor in temple design. The proposed setup consists of two oppositely magnetized permanent magnets on the rotor and stator and provides high axial stiffness. The fluctuation of the air gap field for torque generation is generated with a cross-shaped rotor iron. Compared to a diametrically magnetized drive, this concept...
A thrust magnetic bearing having a conventional thrust magnetic disk is usually installed in five-degree-of-freedom controlled bearingless drive systems. The thrust disk has a larger diameter than a rotor diameter of the bearingless motor. Therefore, a geometrical shape of the rotating part becomes convex. The convex-shaped rotating shaft causes complicated assembly and disassembly processes and increases...
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