| Budget Amount *help |
¥27,170,000 (Direct Cost: ¥20,900,000、Indirect Cost: ¥6,270,000)
Fiscal Year 2013: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2012: ¥12,740,000 (Direct Cost: ¥9,800,000、Indirect Cost: ¥2,940,000)
Fiscal Year 2011: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
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| Research Abstract |
An SR motor, as a reliable, low-cost motor without rare earth materials, its application to In-wheel Direct-Drive car, which is an ultimate electric vehicle, is expected. However, large torque ripple and low efficiency are serious drawbacks. In the study, a new control method to reduce torque ripple and drive at high efficiency was proposed. And the low-cost and high-efficiency control circuit for multi-drives was developed.
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