| Project/Area Number |
25420083
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Multi-year Fund |
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| Section | 一般 |
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| Research Field |
Design engineering/Machine functional elements/Tribology
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| Research Institution | Yokohama National University |
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Principal Investigator |
Sato Yasukazu 横浜国立大学, 工学(系)研究科(研究院), 教授 (30262405)
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| Project Period (FY) |
2013-04-01 – 2016-03-31
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| Project Status |
Completed (Fiscal Year 2015)
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| Budget Amount *help |
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2013: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
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| Keywords | メカトロニクス / フルードパワーシステム / 電磁アクチュエータ / 油圧工学 / 省動力 / 電機駆動 / ポンプ / 流体制御 / 動力伝達 |
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| Outline of Final Research Achievements |
A switched reluctance motor (SRM) outputs the reluctance torque without the power of permanent magnet. A SRM is generally inferior to a permanent magnet synchronous motor in the point of controllability, torque ripple, and noise. Therefore, industrial applications of SRM as servomotor are limited in some special cases. On contrary, a SRM has advantages of the use in high temperature environment with its robust structure. In recent power-saving hydraulic system, valveless power transmission, in which the flow rate is controlled by a hydraulic pump driven by a permanent magnet synchronous servo motor, has been conducted. In addition, a SRM has recently attracted attention as rare-earth-free motor. In this study, the controllability of SRM has been improved compared to previously developed SRM servo system. Furthermore, hydraulic power control using a hydraulic pump driven by the SRM servomotor has been carried out.
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