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 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 Results 1 - 20 of 210  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
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 2021-03-08
13:45
Online Online Effect of ambient gas on break arc in AC power supply
Hiroto Takano, Kotaro Nakashima, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2020-31
The electromagnetic contactor was opened and closed in air or in hydrogen. The arc duration ta, arc energy Ea, and arc ... [more] EMD2020-31
pp.12-17
EMD 2021-03-08
14:20
Online Online Continuous open and close test of contact resistance of electromagnetic contactor
Yoshihiro Sudo, Kohei Chiba, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2020-32
In this study, the contact resistance when a small current was applied at DC5V, was automatically measured. In the expe... [more] EMD2020-32
pp.18-22
EMD 2020-12-04
13:55
Online Online An Extraordinary Long Lifetime Case of AgPd Brush and Au-plated Slip-ring System with Lubricant
Koichiro Sawa, Yositada Watanabe, Takahiro Ueno (NIT), Hiroyasu Masubuchi (NIDEC SERVO) EMD2020-20
 [more] EMD2020-20
pp.13-18
EMD 2020-12-04
14:35
Online Online Sliding energization characteristics of copper contacts by molybdenum disulfide shot treatment
Tatsuro Iizuka, Yoshitada Watanabe, Koichiro Sawa, Takahiro Ueno (NIT) EMD2020-21
 [more] EMD2020-21
pp.19-23
EMD 2020-12-04
15:00
Online Online Sliding Current Characteristics brought about by Changes in the Silver Content of Silver Graphite Brushes.
Naoki Fukuda, Ryosuke Kudo, Yuki Saito, Yuki Kawashima, Yusuke Takada, Koichiro Sawa, Takahiro Ueno (NIT) EMD2020-22
Sliding contact is a mechanism for the transfer of electrical current between stationary and moving parts. To date, slip... [more] EMD2020-22
pp.24-29
EMD 2020-07-17
15:00
Hokkaido Chitose-Arcadia-Plaza Production of automatic measurement system for contact resistance and its measurement results -- Contact resistance when switching 1 million times under small load condition --
Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki (Fuji FA Comp. & Sys.) EMD2020-6
In this study, we constructed an automatic measurement system for the contact resistance of electrical contacts. This sy... [more] EMD2020-6
pp.17-22
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
EMD 2020-03-06
13:35
Chiba CHIBA Institute of Technology Tsudanuma Campus
(Cancelled but technical report was issued)
Study of Brush Consumption and its Control by Commutation Arc of DC Motor
Serina Hosoya, Ryusyo Onodera, Koichiro Sawa, Takahiro Ueno (NIT) EMD2019-61
 [more] EMD2019-61
pp.9-14
EMD 2020-03-06
16:05
Chiba CHIBA Institute of Technology Tsudanuma Campus
(Cancelled but technical report was issued)
Production of Automatic Contact Resistance Measurement System for Electrical Contacts
Tatsuya Onodera, Sho Kashiwabara, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-69
In this study, we constructed an automatic measurement system for the contact resistance of electrical contacts. This sy... [more] EMD2019-69
pp.51-56
EMD 2020-03-06
16:20
Chiba CHIBA Institute of Technology Tsudanuma Campus
(Cancelled but technical report was issued)
Influence on Various Characteristics with and without Magnet in DC Electromagnetic Contactor
Akira Iwanami, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-70
An experiment was conducted on a DC electromagnetic contactor with a structure in which the arc was blown out by the mag... [more] EMD2019-70
pp.57-60
EMD 2020-03-06
16:35
Chiba CHIBA Institute of Technology Tsudanuma Campus
(Cancelled but technical report was issued)
Influence of Magnetic Flux Density and Breaking Speed on Magnetic Blowout of DC Arc Discharge
Hiroki Yamauchi, Hayato Watanabe, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-71
The arc duration time ta and the arc energy Ea when a magnetic flux was applied to the electrical contact were measured.... [more] EMD2019-71
pp.61-64
EMD 2020-03-06
16:50
Chiba CHIBA Institute of Technology Tsudanuma Campus
(Cancelled but technical report was issued)
Influence of Ambient Gas on Breaking Arc Discharge of Electromagnetic contactor -- Effect of Gas Pressure and Current --
Sota Nagase, Yoshiki Yamamoto, Koichiro Sawa, Kiyoshi Yoshida (NIT) EMD2019-72
The electromagnetic contactor was opened and closed in air or in hydrogen. The arc duration ta, arc energy Ea, arc exti... [more] EMD2019-72
pp.65-70
EMD 2020-01-17
14:30
Kanagawa Rental hall Shonan Hiratsuka Sliding characteristics of copper contacts by Molybdenum disulfide shot testment
Tatsuro Iizuka, Yuki Kawashima, Syo Ogata, Yoshitada Watanabe, Takahiro Ueno, Koichiro Sawa (NIT) EMD2019-49
The electric sliding contact mechanism is a mechanism for energizing a moving object from a stationary object.
It is us... [more]
EMD2019-49
pp.7-10
EMD 2020-01-17
14:55
Kanagawa Rental hall Shonan Hiratsuka Influence of Ambient Gas and Pressure on Break Arc Characteristics in Alternating Current
Yoshiki Yamamoto, Sota Nagase, Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki (Fuji Electric FA Components & System) EMD2019-50
Arc discharge at break was generated in the electromagnetic contactor in the air and hydrogen. The arc duration ta, the ... [more] EMD2019-50
pp.11-16
EMD 2019-12-13
15:00
Tokyo   Influence of load current and breaking velocity on arc discharge at breaking of electrical contacts
Koichiro Sawa, Kiyoshi Yoshida (NIT), Kenji Suzuki (Fuji Electric) EMD2019-44
 [more] EMD2019-44
pp.7-12
EMD 2019-11-15
13:30
Tokyo The University of Electro-Communications A Study on Contact Voltage Waveform and its Relation with Deterioration Process of AgPd Brush and Au-plated Slip-ring System with Lubricant
Koichiro Sawa, Yoshitada Watanabe, Takahiro Ueno (NIT), Hiroyasu Masubuchi (NIDEC SERVO) EMD2019-40
 [more] EMD2019-40
pp.5-10
EMD 2019-10-18
13:55
Ibaraki   A Method for Evaluating Degradation Phenomenon of Electrical Contacts using a Micro-Sliding Mechanism -- Minimal Sliding Amplitudes against Input Waveforms (3) --
Shin-ichi Wada (TMC), Koichiro Sawa (NIT) EMD2019-38
 [more] EMD2019-38
pp.13-20
EMD 2019-06-14
16:05
Tokyo Kikai-Shinko-Kaikan Bldg. Fluctuation Components of Contact Voltage at AgPd Brush and Au-plated Slip-ring System withLlubricant II
Koichiro Sawa, Yoshitada Watanabe, Takahiro Ueno (NIT), Hiroyasu Masubuchi (NIDEC SERVO) EMD2019-9
The authors have been investigating the deterioration process of Au-plated slip-ring and Ag-Pd brush system with lubrica... [more] EMD2019-9
pp.13-18
EMD 2019-05-17
15:50
Miyagi Cyberscience Center, Tohoku University Influence of ambient gas on arc duration and energy of electromagnetic contactor in AC power supply
Kiyoshi Yoshida, Koichiro Sawa (NIT), Kenji Suzuki (Fuji Electric FA Components & Systems) EMD2019-6
Arc discharge at break was generated in the electromagnetic contactor in the air and hydrogen. The arc duration ta, the ... [more] EMD2019-6
pp.29-34
 Results 1 - 20 of 210  /  [Next]  
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