書誌事項
- タイトル別名
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- Considerations on Thrust-to-Input Ratio of a Cylindrical Moving Coil Type Linear DC Motor
- エントウジョウ コイル カドウガタ リニア チョクリュウ モータ ノ スイリョ
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Linear DC motors (LDMs) are widely used for servo-actuator, compressor and so on. High-efficiency LDMs are strongly desired for compressors. To realize the LDMs with high-efficiency characteristics, decreasing the copper losses, namely, thrust-to-input ratio, F/P, must be increased. This paper describes an optimization method for the F/P of a moving coil type LDM. The following results are obtained:<br>(1) Simplified expression for the F/P of the LDM is derived from the permeance analysis method. The effects that dimensions of the LDM influence the F/P of the LDM are investigated through the simplified expression for the F/P. As a result, the optimum dimension of the LDM for maximizing the F/P exists.<br>(2) When the static thrust is 100 N, the measured F/P of the initial LDM is 7.9 N/W, and the errors by using the simplified expression for the F/P and the finite element method (FEM) are 33% and 8%, respectively. Derived simplified expression for the F/P is useful because the F/P can be calculated easily.<br>(3) An improved LDM, which has 26% higher F/P than those of the initial LDM, is designed by using the permeance analysis method and the FEM.
収録刊行物
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- 電気学会論文誌D(産業応用部門誌)
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電気学会論文誌D(産業応用部門誌) 118 (4), 444-449, 1998
一般社団法人 電気学会
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詳細情報 詳細情報について
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- CRID
- 1390001204659912832
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- NII論文ID
- 10002878220
- 10007984271
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- NII書誌ID
- AN10012320
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- ISSN
- 13488163
- 09136339
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- NDL書誌ID
- 4436406
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