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Technical Committee on Electromechanical Devices (EMD)
Chair: Shinichi Wada (TMC System) Vice Chair: Yoshiki Kayano (Univ. of Electro-Comm.)
Secretary: Masato Mizukami (Muroran Inst. of Tech.), ＫｅｎｊｉＳｕｚｕｋｉ (Fuji Electric)
Assistant: Yuichi Hayashi (ＮＡＩＳＴ)

DATE:
Fri, Mar 1, 2019 10:30 - 16:50

PLACE:
The University of Electro-Communications, East Campus, Building E-3, Room 306(1-5-1 Chofugaoka, Chofu, Tokyo 182-8585, Japan. http://www.uec.ac.jp/eng/about/access/. Yoshiki Kayano)

TOPICS:

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Fri, Mar 1 AM (10:30 - 11:35)
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----- Opening Address ( 5 min. ) -----

(1) 10:35 - 10:55
A study in influences of external magnetic field on break arc characteristics of AgSnO2 contacts in a DC inductive load circuit up to 20V-17A up to 20V-17A
Seika Tokumitsu, Makoto Hasegawa (Chitose Inst. of Science & Technology)

(2) 10:55 - 11:15
Study on Fabry-Perot interferometer for the high vibration detection
Yuya Harada, Kaoru Kuribayashi, Ryo Nagase (CIT), Satoru Wada (KURAHASHI INDUSTRIES CO.,LTD. SEISMIC INSTRUMENTS GROUP), Akio Kobayashi (TOKYO SOKUSHIN CO.,LTD.)

(3) 11:15 - 11:35
Fundamental study of the effect of tightening torque reduction on high frequency circuit elements of contact boundaries
Takashi Narimatsu, Daisuke Fujimoto, Yu-ichi Hayashi (NAIST)

----- Break ( 10 min. ) -----

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Fri, Mar 1 AM (11:45 - 12:30)
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(4) 11:45 - 12:00
Study on fiber-optic strain sensor
Ryota Kuramochi, Kentaro Matsuda, Ryo Nagase (CIT)

(5) 12:00 - 12:15
Relationship between launch condition and EAF of SI-type multimode fiber
Ryohei Hayasaki, Ryo Nagase (CIT)

(6) 12:15 - 12:30
Study on ultrasonic sensing using BOF
Ryo Takahashi, Katsuki Suenaga, Kentaro Matsuda, Ryo Nagase (CIT)

----- Lunch Break ( 60 min. ) -----

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Fri, Mar 1 PM (13:30 - 14:30)
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(7) 13:30 - 13:45
Study on suppression of electromagnetic noise generated from LED bulb by snubber circuit
Ryouta Takeuchi, Shuhei Hotta, Takashi Kasuga (NIT, Nagano College), Hiroshi Inoue (Akita Ukiv)

(8) 13:45 - 14:00
Study on FDTD Analysis Method of Differential Lines Including Dielectric Loss at GHz Band
Taiki Yamagiwa (NIT, Nagano College), Masahiro Tomioka (Akita Univ.), Ren Kitahara (NIT, Nagano College), Atsushi Nakamura (UTI), Yoshiki Kayano (UEC), Takashi Kasuga (NIT, Nagano College)

(9) 14:00 - 14:15
Contact reliability of electrical contacts by continuous make/break test of electromagnetic contactor
Ikarashi Masanari, Ogaki Asuka, Koichiro Sawa, Kiyoshi Yoshida (NIT)

(10) 14:15 - 14:30
Influence of ambient gas on various characteristics of break arc for electromagnetic contactor with AC power supply
Igarashi Takahiro, Kumagai Fuuma, Kiyoshi Yoshida, Koichiro Sawa (NIT)

----- Break ( 15 min. ) -----

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Fri, Mar 1 PM (14:45 - 15:45)
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(11) 14:45 - 15:00
Influence of current and magnetic flux density on magnetic blow-out on arc discharge at breaking of electrical contacts
Mano Kenta, Koichiro Sawa, KIyoshi Yoshida (NIT)

(12) 15:00 - 15:15
Influence on various characteristics such as arc duration during continuous make/break of electromagnetic contactor
Hiroki Takeuchi, Koichiro Sawa, Kiyoshi Yoshida (NIT)

(13) 15:15 - 15:30
A Study on Deterioration Phenomenon of Au-plated Slip Ring for Small Electric Power Transfer
Yoshitaka Yamaki, Naoki Takahashi, Kouitirou Sawa, Takahiro Ueno (NIT)

(14) 15:30 - 15:45
Sliding characteristics of the intervention of molybdenum disulfide between copper contacts in high speed region and low speed region
Tatsuro Iizuka, Taisuke Nakano, Yoshitada Watanabe, Takahiro Ueno, Kohichiro Sawa (NIT)

----- Break ( 15 min. ) -----

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Fri, Mar 1 PM (16:00 - 16:50)
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(15) 16:00 - 16:15
Arc Erosion of Brush at Sliding Contacts between Cu commutator and Carbon Brush
Youdai Suzuki, Kaito Niiya, Kouichiro Sawa, Takahiro Ueno (NIT)

(16) 16:15 - 16:30
A Study on Brush Wear and Erosion at High Speed of Commutator Motors
Hiroki Arai, Masato Hirabayashi, Koichiro Sawa, Takahiro Ueno (NIT)

(17) 16:30 - 16:45
Sliding Characteristics of Fe Slip Ring in the Change of Silver Content of Silver-Graphite Brushes
Ryuta Higa, Yusuke Takada, Naoki Fukuda, Koichiro Sawa, Takahiro Ueno (NIT)

----- Closing Address ( 5 min. ) -----

----- バンケット ( 60 min. ) -----

# Information for speakers
General Talk (修論) will have 15 minutes for presentation and 5 minutes for discussion.
General Talk (卒論) will have 10 minutes for presentation and 5 minutes for discussion.

=== Technical Committee on Electromechanical Devices (EMD) ===
# FUTURE SCHEDULE:

Fri, May 17, 2019: Cyberscience Center, Tohoku University [Mon, Mar 11]
Fri, Jun 14, 2019: Kikai-Shinko-Kaikan Bldg. [Mon, Apr 22]

# SECRETARY:
Shin-ichi Wada(TMC)
TEL +81-44-555-6171，FAX +81-44-211-4200
E-mail: abe