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Online Proceedings [Sign in] Tech. Rep. Archives |
All Technical Committee Conferences (Searched in: All Years)
| Committee | Date Time | Place | Paper Title / Authors | Abstract | Paper # | |
| EMD | 2022-03-04 13:25 |
Online | Online | Brush Wear by Arcing Discharge in Commutator Motors and the Effect of Arc-quenching device Musashi Uematsu, Toranosuke Oouchi, Takayuki Saito, Koichiro Sawa, Takahiro Ueno (NIT)  EMD2021-16 |
In order to realize excellent amenity and reliability, many small-sized DC motors are used in an automobile due to good ... [more] | EMD2021-16 pp.7-12 |
| EMD | 2021-03-08 13:25 |
Online | Online | Brush Wear and its Control by the Arc of Commutator Motor Taiga Wada, Takayuki Saito, Koichiro Sawa, Takahiro Ueno (NIT) EMD2020-30 |
Many small-sized DC motors are used in an automobile due to good cost-performance and energy efficiency. They have been ... [more] | EMD2020-30 pp.6-11 |
| EMD | 2020-03-06 13:20 |
Chiba | CHIBA Institute of Technology Tsudanuma Campus (Cancelled but technical report was issued) |
Study on brush wear and wear of high speed rotating commutator motor Syougo Aoki, Hayate Saito, Koichiro Sawa, Takahiro Ueno (NIT) EMD2019-60 |
Small DC motors with brushes are widely used especially in automobiles, and requested for smaller size and higher output... [more] | EMD2019-60 pp.5-8 |
| ITE-BCT, SIS | 2019-10-24 16:00 |
Fukui | Fukui International Activities Plaza | [Invited Talk]
Friction and Wear in Machinery, and Development of their Visualization and Evaluation Techniques Yoshiro Iwai (Fukui Univ.) SIS2019-18 |
(To be available after the conference date) [more] | SIS2019-18 pp.53-57 |
| EMD | 2019-03-01 16:00 |
Tokyo | Arc Erosion of Brush at Sliding Contacts between Cu commutator and Carbon Brush Youdai Suzuki, Kaito Niiya, Kouichiro Sawa, Takahiro Ueno (NIT) EMD2018-73 |
Compact DC motors are used for driving fuel pumps used in automobiles due to their superior cost advantages. From the re... [more] | EMD2018-73 pp.75-80 |
|
| EMCJ, WPT (Joint) |
2018-06-14 16:20 |
Nagasaki | Utilization of rectenna in wireless sensor network for erosion monitoring Shintaro Uto, Guan Chai Eu, Takafumi Fujimoto, Yoichi Ishizuka, Toshihiro Okumatsu, Tomoyuki Fujishima, Satoshi Sugimoto, Shohei Iwasaki (Nagasaki Univ.) WPT2018-13 |
In this study, a wireless sensor network system for erosion monitoring of the bridge is proposed. This system consists o... [more] | WPT2018-13 pp.19-22 |
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| EMD | 2018-03-02 16:35 |
Saitama | Nippon Institute of Technology | Wear characteristics of various brush materials at high speed rotation of DC motor Fuya Machida, Shuya Yoshida, Koichiro Sawa, Takahiro Ueno (NIT) EMD2017-69 |
DC motors with brush and commutator are widely used in automobiles and other applications. Due to advances in technology... [more] | EMD2017-69 pp.53-56 |
| EMD | 2018-03-02 16:50 |
Saitama | Nippon Institute of Technology | Wear・and erosion of brush and commutator in fuel pump drive DC motor Ryohei Sekimoto, Kento Ohata, Koichiro Sawa, Takahiro Ueno (NIT) EMD2017-70 |
Small DC motors are used for driving fuel pumps used in automobiles due to their superior cost advantages. As its struct... [more] | EMD2017-70 pp.57-61 |
| EMD | 2017-11-17 14:10 |
Tokyo | The University of Electro-Communications | Simulation on metal droplet sputtering and molten pool on copper contact under electric arc Kai Bo (Harbin Inst. of Tech.), Xue Zhou, Guofu Zhai (HIT), Mo Chen (Tokyo Inst. of Tech.) EMD2017-49 |
The mechanism of molten pool and metal droplet sputtering are significant to the material erosion caused by breaking or ... [more] | EMD2017-49 pp.37-42 |
| EMD | 2016-11-04 10:20 |
Hyogo | Awaji Yumebutai International Conference Center | Commutation Phenomena and Brush Wear of DC Motor at High Speed Rotation Masayuki Isato, Koichiro Sawa, Takahiro Ueno (NIT) EMD2016-60 |
Many DC commutator motors are widely used in automobiles. In recent years, as compact and high output DC motors have bee... [more] | EMD2016-60 pp.57-61 |
| EMD | 2016-11-04 12:15 |
Hyogo | Awaji Yumebutai International Conference Center | Analysis of Rotational Motion of Break Arcs Rotated by Radial Magnetic Field in 48VDC Resistive Circuit Jun Matsuoka, Junya Sekikawa (Shizuoka Univ.) EMD2016-64 |
Break arcs are rotated with the radial magnetic field formed by a magnet embedded in a fixed contact. The break arcs are... [more] | EMD2016-64 pp.81-86 |
| EMD | 2015-11-06 09:55 |
Miyagi | Tohoku University, School of engineering, Aoba memorial hall | Observation of Break Arcs Rotated by Radial Magnetic Field in a 48VDC Resistive Circuit using two high-speed cameras Jun Matsuoka, Junya Sekikawa (Shizuoka Univ.) EMD2015-75 |
Break arcs are rotated with the radial magnetic field formed by a magnet embedded in a fixed cathode contact. The break ... [more] | EMD2015-75 pp.47-52 |
| EMD | 2014-11-29 16:00 |
Hokkaido | Chitose Cultural Center | Comparisons on Arc Behavior and Contact Performance between Cu and Cu-Mo Alloys in a Bridge-type Contact System Mo Chen, Xue Zhou, Guofu Zhai (Harbin Inst. of Tech.) EMD2014-76 |
Cu-Mo alloy carries forward the high conductivity and high-thermal conductivity from Cu and high hardness from Mo. It ge... [more] | EMD2014-76 pp.63-67 |
| EMD | 2014-11-30 11:00 |
Hokkaido | Chitose Cultural Center | Observation and Analysis of Cathode Surfaces Being Affected by Break Arcs Masato Nakamura, Junya Sekikawa (Shizuoka Univ) EMD2014-85 |
Break arcs are generated in a DC48V and 9A resistive circuit at contact opening speed of 5mm/s. The morphology of the ca... [more] | EMD2014-85 pp.115-120 |
| EMD | 2013-11-16 08:50 |
Overseas | Huazhong University of Science and Technology, Wuhan, P.R.China | Preparation of WC@SnO2Core-shell Composite and Its Application in AgSnO2Contact Material Qiu Jianmei, Shen Qianhong, Zhang Lingjie, Yang Hui (Zhejiang Univ.), Fan Xianping (Wenzhou Hongfeng Electrical Alloy), Chen Lesheng (Zhejiang Univ.) EMD2013-114 |
WC@SnO2 core-shell composite were fabricated by a modified sol-gel method, in which nano-scaled SnO2 particles were unif... [more] | EMD2013-114 pp.163-166 |
| EMD | 2013-11-17 09:25 |
Overseas | Huazhong University of Science and Technology, Wuhan, P.R.China | Three-dimensional observation of damage shapes caused by break arcs on Ag and AgSnO2 contact surfaces Daichi Kawamura, Makoto Hasegawa (Chitose Inst. of Science & Tech.) EMD2013-104 |
A growth process of damage shapes (specifically growth of a crater) on a cathode surface of a Ag contact pair and a AgSn... [more] | EMD2013-104 pp.119-122 |
| EMD | 2013-11-17 11:05 |
Overseas | Huazhong University of Science and Technology, Wuhan, P.R.China | Influence of Fabrication Method on Arcing Erosion Behaviour of AgSnO2 Contact Materials Chunping Wu (Central South Univ.), Wei Weng, Xiaoping Bai, Suhua Li, Danqing Yi (FuDa Alloy Materials), Jiemin Zhou (Central South Univ.) EMD2013-110 |
Electrical contacts are widely used for telecommunication and electric power as a device directly making and breaking el... [more] | EMD2013-110 pp.143-149 |
| EMD | 2013-05-17 15:55 |
Hokkaido | Chitose Arcadia Plaza | Observation of damage shapes caused by break arcs on Ag and AgSnO2 contact surfaces during switching operations Makoto Hasegawa, Keisuke Takahashi, Daichi Kawamura, Yuya Hirano (Chitose Inst. of Science and Tech.) EMD2013-6 |
An evaluation system enabling observation and evaluation of changes on contact surface conditions (growth of a crater an... [more] | EMD2013-6 pp.29-34 |
| EMD | 2013-03-01 15:35 |
Saitama | Nippon Institute of Technology | Damage shape evaluation system of electrical contacts and investigation of material transfer and erosion phenomena Keisuke Takahashi, Daichi Kawamura, Yuya Hirano, Makoto Hasegawa (Chitose Inst. of Science and Tech.) EMD2012-118 |
Contact surfaces of mechanical relays and switches are often damaged by arc discharges and/or mechanical wear during swi... [more] | EMD2012-118 pp.37-40 |
| EMD | 2013-01-25 15:50 |
Kanagawa | Hitachi, Ltd., (Totsuka, Yokohama) | An experimental study on a 3-D shape observation system of a sample by employing a laser displacement sensor Makoto Hasegawa, Daichi Kawamura, Keisuke Takahashi (Chitose Inst. of Science and Tech.) EMD2012-100 |
For the purpose of observing and evaluating damaged shapes due to material transfer and erosion, caused by arc discharge... [more] | EMD2012-100 pp.15-19 |
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