切頂八面体と正十二面体にもとづく球面ステッピングモータの設計
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概要
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A spherical stepping motor based on a truncated octahedron and a regular dodecahedron is proposed. At first, the advantages of general spherical motor are presented. Next, a principle of a conventional stepping motor is expanded to the three dimensional space and a principle of a spherical stepping motor based on a truncated octahedron and a regular dodecahedron is proposed. Then, the proposed spherical stepping motor is designed. The rotor diameter, total mass of the permanent magnets, and the total ampere-turns of the motor are designed to be the same as the developed spherical motor based on a hexahedron and an octahedron. Static torque and the no-load movement of the designed motor are simulated. From the simulation results, the static torque of the motor will be the same as that of the developed spherical motor based on a hexahedron and an octahedron. The no-load torque fluctuations are less than that of the developed spherical motor. The proposed motor will be a high-torque, high-performance spherical motor.