磁石可動形リニア直流モータの機械的定数についての検討
書誌事項
- タイトル別名
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- Considerations on the Mechanical Time Constant of a Moving-Magtet-Type Linear Dc Motor
- 磁石可動形リニア直流モータの機械的時定数についての検討
- ジシャク カドウガタ リニア チョクリュウ モータ ノ キカイテキ ジテイスウ
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High-speed and high-precision hydraulic valves are required in industry. The authors have developed a linear servo valve (LSV) with a linear dc motor (LDM). This paper describes methods for designing the magnetic circuit, and for optimizing the mechanical time constant, of a moving-magnet-type LDM. The following results were obtained:<br> (1) The expression for the mechanical time constant of the LDM is derived by using the permeance analysis method. The proposed stucture of the LDM, which has a minimum mechanical time constant, is obtained by using the permeance analysis method and the finite element method (FEM).<br> (2) The static thrust of the LDM is calculated also by the permeance analysis method and the FEM. The calculated values of the thrust constant are 61.3 N/A and 62.8 N/A, respectively. The measured value of the thrust constant is 60.7 N/A.<br> (3) The measured and calculated values of the mechanical time constant obtained by the permeance analysis method, and the values calculated by the FEM, are 1.7 ms, 1.6 ms, and 1.5 ms, respectively.
収録刊行物
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- 日本応用磁気学会誌
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日本応用磁気学会誌 22 (4_2), 921-924, 1998
公益社団法人 日本磁気学会
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詳細情報 詳細情報について
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- CRID
- 1390001205093745152
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- NII論文ID
- 110002811573
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- NII書誌ID
- AN0031390X
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- ISSN
- 18804004
- 02850192
- http://id.crossref.org/issn/02850192
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- NDL書誌ID
- 4458183
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- データソース種別
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- JaLC
- NDL
- Crossref
- NDL-Digital
- CiNii Articles
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- 使用不可