ステッピングモータの動磁場解析

概要

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In the optimum design of stepping motors, it is important to solve the accurate characteristics of them. However, it is difficult to obtain the characteristics by the experiment method because of small size. So we have tried to obtain the characteristics by the magnetic field analysis method. Last year, we have analyzed the cogging torque, static stability position and leakage of magnetic flux of a stepping motor by use of the 2-D and 3-D static magnetic fields analysis, and confirmed practical use method and effectiveness of these analysis. In this paper, we analyze the 3-D dynamic transient characteristic of the stepping motor excited from drive pulse voltage source and compare the calculated result with the measured result. The usefulness of understanding the characteristic of the stepping motor by the dynamic magnetic fields analysis is confirmed.
社団法人日本時計学会の論文