| Budget Amount *help |
¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2016: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2015: ¥2,470,000 (Direct Cost: ¥1,900,000、Indirect Cost: ¥570,000)
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| Outline of Final Research Achievements |
A harmonic magnetic gear with a high reduction ratio and high utilization efficiency of magnets is studied. In the stackable structure, a proposed gear can adjust a transmission torque by changing the number of stacks. The Halbach array of magnets is used for each layer. Through simulation and experiments, the proposed structure has improved torque density compared with conventional stackable harmonic magnetic gear.
The torque limit function of the cylindrical magnetic gear is concerned and adjust of the step-out torque after assembling was attempted by inserting the coil between the magnetic gears. It was confirmed that the maximum transmission torque can be adjusted by changing the coil inserted between the gears. In addition, it was possible to extend the adjustable range of step-out torque even with the same coil by applying current to the coil.
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