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菅原, 雄介, Sugahara, Yusuke, 熱海, 七都, Atsumi, Nanato, 栃木, 渉, Tochigi, Wataru, 干場, 功太郎, Hoshiba, Kotaro, 武田, 行生, TAKEDA, YUKIO 日本機械学会ロボティクス・メカトロニクス講演会2022予稿集 2022-06
identifier:oai:t2r2.star.titech.ac.jp:50617881
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熱海, 七都, Atsumi, Nanato, 菅原, 雄介, Sugahara, Yusuke, 栃木, 渉, Tochigi, Wataru, 武田, 行生, TAKEDA, YUKIO 機素潤滑設計部門講演会講演論文集 1207-, 2021-12
identifier:oai:t2r2.star.titech.ac.jp:50602235
YAMAGUCHI Aoto, NANATO Nozomu, OBANA Tetsuhiro Plasma and Fusion Research 16 (0), 2405065-2405065, 2021-05-07
<p>We have been developing an AC power source with a high-temperature superconducting (HTS) transformer that is small and can supply a large AC current. The HTS transformer needs a detection system …
DOI 機関リポジトリ HANDLE ほか1件 参考文献7件
OBANA Tetsuhiro, NANATO Nozomu Plasma and Fusion Research 16 (0), 2405051-2405051, 2021-04-09
<p>Stacked single-layer (SSL) coils wound with Bi2223 HTS tapes were modeled with a lumped circuit. Using the model, we investigated the effect of the joint resistance at coil terminals on the …
DOI 機関リポジトリ HANDLE ほか1件 参考文献2件
YAMADA Hokuto, NANATO Nozomu, SHIRAI Keisuke, OBANA Tetsuhiro Plasma and Fusion Research 16 (0), 2405007-2405007, 2021-03-05
<p>Large AC current supply is essential for measuring the current transport characteristics of superconducting wires, such as AC loss in helical coil conductors. Commercial current supplies are …
熱海 七都, 菅原 雄介, 栃木 渉, 武田 行生, 柳田 克己, 水谷 亮, 三谷 哲史, 片村 立太 機素潤滑設計部門講演会講演論文集 2021.20 (0), 1207-, 2021
<p>The water jet impact acoustic method is the wall inspection method to detect the concrete flaking by analyzing the sound generated by the water hit on the structure. The authors are developing …
DOI Web Site
菅原, 雄介, Sugahara, Yusuke, 陳, 光燦, Chen, Guangcan, 熱海, 七都, Atsumi, Nanato, 松浦, 大輔, Matsuura, Daisuke, 武田, 行生, TAKEDA, YUKIO ROMANSY 23 - Robot Design, Dynamics and Control 601 109-117, 2020-09
identifier:oai:t2r2.star.titech.ac.jp:50540085
N Nanato, H Aoyama Journal of Physics: Conference Series 1293 (1), 012062-, 2019-09-01
<jats:title>Abstract</jats:title> <jats:p>The authors have been developing an AC power source with a high temperature superconducting (HTS) transformer which is small in size and can …
DOI Web Site Web Site 被引用文献1件 参考文献3件
N Nanato, T Adachi, T Yamanishi Journal of Physics: Conference Series 1293 (1), 012072-, 2019-09-01
<jats:title>Abstract</jats:title> <jats:p>The authors have been developing a large AC current source with a single-phase Bi2223 superconducting transformer. The authors aim to develop …
DOI Web Site Web Site 被引用文献3件
N Nanato, S Tanaka, S Tenkumo Journal of Physics: Conference Series 1054 012070-, 2018-07
DOI Web Site Web Site 被引用文献3件 参考文献2件
N Nanato, N Kishi, Y Tanaka, M Kondo Journal of Physics: Conference Series 871 012101-, 2017-07
DOI Web Site Web Site 被引用文献2件
Keigo Kono, Ruka Hayata, Satoru Murakami, Mai Yamamoto, Maiko Kuroki, Kana Nanato, Kazuto Takahashi, Keiko Miwa, Yutaka Tsutsumi, Kazunori Okada, Sanae Kaga, Taisei Mikami, Nobuo Masauzi Journal of Clinical Laboratory Analysis 32 (1), 2017-02-21
<jats:sec><jats:title>Background</jats:title><jats:p>Morphological characteristics of blood cells are still qualitatively defined. So a texture analysis (Tx) method using gray level co‐occurrence …
N. Nanato, K. Nishiyama Cryogenics 72 53-56, 2015-12
DOI Web Site Web Site 参考文献6件
N. Nanato, Y. Kobayashi Physics Procedia 58 264-267, 2014
DOI Web Site Web Site 被引用文献1件
N. Nanato, K. Nishiyama Physics Procedia 58 260-263, 2014
N. Nanato, W. Asai, S. Murase Physics Procedia 27 416-419, 2012
M. Yoneda, N. Nanato, D. Aoki, T. Kato, S. Murase Physica C: Superconductivity and its Applications 471 (21-22), 1432-1435, 2011-11
Murase, Satoru, Shimoyama, M., Nanato, N., Kim, S. B., Nishijima, G., Watanabe, K., Kikuchi, A., Banno, N., Takeuchi, T. IEEE Transactions on Applied Superconductivity 19 (3), 2666-2669, 2009-06
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H. Kuwashima, S. Murase, N. Nanato, Seok-Beom Kim, Y. Yamada, A. Nitta, K. Tachikawa IEEE Transactions on Applied Superconductivity 18 (2), 1212-1215, 2008-06
DOI PDF 被引用文献1件
Kazuya Takeuchi, Nozomu Nanato, Satoru Murase, SeokBeom Kim, Gen Nishijima, Kazuo Watanabe, Takao Takeuchi, Nobuya Banno, Akihiro Kikuchi Cryogenics 48 (3-4), 148-153, 2008-03
DOI Web Site Web Site 被引用文献4件
七戸 希 電気学会論文誌． Ａ 128 (6), 386-392, 2008
In superconducting coils, local and excessive joule heating may give damage to the superconducting windings when a quench occurs and therefore it is essential that the quench is detected quickly and …
DOI Web Site Web Site 被引用文献1件 参考文献11件
N. Nanato, Y. Tsumiyama, S.B. Kim, S. Murase, K.-C. Seong, H.-J. Kim Physica C: Superconductivity and its Applications 463-465 1281-1284, 2007-10
Murase, Satoru, Okada, I., Kiyama, K., Nanato, N., Kim, S. B., Oguro, H., Nishijima, G., Awaji, S., Watanabe, K., Wake, M. IEEE Transactions on Applied Superconductivity 17 (2), 2676-2679, 2007-06
竹内 和哉, 七戸 希, 村瀬 暁, 金 錫範, 西島 元, 渡辺 和雄, 竹内 孝夫, 伴野 信哉, 菊池 章弘 低温工学 42 (11), 382-388, 2007
When the quenching occurs in a superconducting coil, excessive jule heating in normal area may damage the coil. It is necessary to detect quenching in the coil as soon as possible and discharge the …
DOI Web Site Web Site 被引用文献1件 参考文献10件
Watanabe, Kenji, Mitsuhashi, T., Nanato, N., Kim, S. B., Murase, S., Nishijima, G., Watanabe, Kazuo, Miyoshi, K. IEEE Transactions on Applied Superconductivity 15 (2), 3410-3413, 2005-06
七戸 希, 村瀬 暁, 金 錫範 電気学会論文誌． Ａ 125 (12), 1069-1070, 2005
AE (Acoustic Emission) techniques are universally used for investigating and watching the deformation and crack of various materials because they enable the non-destructive and continuous …
DOI Web Site 参考文献6件
七戸 希, 大沢 利昭, 村瀬 暁, 金 錫範 低温工学 40 (10), 420-424, 2005
Reducing AC loss in superconducting apparatus is one of the most important issues, and the precise measurement and estimation of AC losses are essential to reduce them. The four-terminal method is …
DOI Web Site Web Site 参考文献7件
N. Nanato, K. Nakamura Cryogenics 44 (1), 1-5, 2004-01
中桐 晋平, 伊井野 将嘉, 村瀬 暁, 七戸 希, 熊倉 浩明, 松本 明善 低温工学 38 (11), 615-622, 2003
The measurement and analysis of AC transport current loss (self-field loss) in MgB<sub>2</sub> superconducting composites were studied. In experimental results, the normalized <i>I<sub>c</sub></i> …
七戸 希, 中村 光一 低温工学 38 (4), 166-170, 2003
Quench detection is an essential technique to protect superconducting coils from excessive ohm-generated heating after quenching. We previously proposed an electric quench detection method based on …
DOI 被引用文献1件
M. Syndonia Bret-Harte, Gaius R. Shaver, Jennifer P. Zoerner, Jill F. Johnstone, Joanna L. Wagner, Andreas S. Chavez, Ralph F. Gunkelman, Suzanne C. Lippert, James A. Laundre Ecology 82 (1), 18-32, 2001-01
DOI Web Site Web Site
七戸 希, 中村 光一 電気学会論文誌Ｂ（電力・エネルギー部門誌） 121 (8), 1029-1035, 2001
Excessive ohmic heating may damage superconducting wires when a quench occurs in a superconducting coil and hence it is necessary to detect the quench as fast as possible in order to protect the …
DOI Web Site Web Site 参考文献8件
七戸 希, 川田 昌武, 中村 光一 電気学会論文誌Ｂ（電力・エネルギー部門誌） 119 (11), 1174-1180, 1999
A superconducting coil may be damaged by ohmic heating in itself when quench occurs. Therefore it is necessary to detect quench as fast as possible and to protect the superconducting coil from its …
山村 直紀, 安岡 育雄, 七戸 希, 常広 譲 電気学会論文誌Ｄ（産業応用部門誌） 119 (3), 371-376, 1999
For ideal induction motor driving, we must control primary flux to make rotating field according to order. “Primary Flux Control Method for Induction Motor” is one of the useful methods to achieve …