Sawa Koichiro

发表

Outline report of the 24th international conference on electrical contacts ICEC2008 (France)

Hasegawa Makoto, Yoshida Kiyoshi, Takagi Tasuku, 2008 .

An Evaluating Method for Fundamental Dynamical Parameters of Objects on a Printed Circuit Board : Properties of the Responses using Rectangular Wave and Sinusoidal one as an Input

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2013 .

Research on Contact Failure Mechanism in Static Electrical Contact

Sawa Koichiro, Ogawa Shouta, Ueno Takahiro, 2011 .

Degradation Phenomenon of Electrical Contacts by using a Micro-Sliding Mechanism -- Modeling about Fluctuation of Contact Resistance (3)

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2013 .

By means of a statistical method an analysis of degradation phenomenon of electrical contacts using micro-sliding mechanisms -- A statistical analysis using data of minimal sliding amplitudes under some conditions

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2015 .

An Evaluating Method for Fundamental Dynamical Parameters of Objects on a Printed Circuit Board (4) -- A theoretical method for the responses of the oscillation system by a rectangular waveform or quasi-impulsive ones

Sawa Koichiro, Wada Shin-ichi, 2015 .

Degradation Phenomenon of Electrical Contacts using a Hammering Oscillation Mechanism or a Micro-Sliding Mechanism -- A fundamental study on the performance of the hammering oscillation mechanism (28)

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2013 .

A Study on Wear of Carbon Flat Commutator and Brush of DC Motor for Automotive Fuel Pump

Sawa Koichiro, Ueno Takahiro, Tanaka Hidenori, 2009 .

Dynamic Characteristics of Ag Graphite Brush at Vrious Atmospheric Temperatures

Sawa Koichiro, Ueno Takahiro, Fukuda Naoki, 2016 .

A study of Degradation Phenomenon of Electrical Contacts by Hammering Oscillating Mechanism -- Modeling (10)

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2010 .

Commutation Phenomena and Brush Wear of DC Motor at High Speed Rotation

Sawa Koichiro, Ueno Takahiro, Isato Masayuki, 2016 .

A Summary of 29th International Conference on Electrical Contacts and 64th IEEE Holm Conference on Electrical Contacts

Suzuki Kenji, Yoshida Kiyoshi, Sawa Koichiro, 2019 .

Ccommutation phenomena of DC Motors for Automotive Fuel Pumps in Methanol

Sawa Koichiro, Ueno Takahiro, Tanaka Tatsuaki, 2012 .

An Overview of the 52nd IEEE Holm Conference on Electrical Contacts

Hasegawa Makoto, Tamai Terutaka, Sawa Koichiro, 2007 .

Commutation characteristics and reliability of DC motor driving fuel pump in various fuels

Sawa Koichiro, Ueno Takahiro, Liqing Liu, 2010 .

An Evaluating Method for Fundamental Dynamical Parameters of Objects on a Printed Circuit Board (5) : Natural Frequency and Damping Ratio(2)

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2013 .

Ag Graphite Brush Wear Characteristic of Silver Content 80% and 90% in Brush-Slip Ring System

Sawa Koichiro, Ueno Takahiro, Fukuda Naoki, 2017 .

Insulation repair in direct-current machine armature coils subjected to salt damage

Sawa Koichiro, Morita Noboru, Ueno Takahiro, 2017 .

An Evaluating Method for Fundamental Dynamical Parameters of Objects on a Printed Circuit Board (PCB) (6) -- The effect by application time of external force

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2014 .

An Evaluating Method for Fundamental Dynamical Parameters of Objects on a Printed Circuit Board by a Hammering Oscillation Mechanism -- Natural Frequency

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2015 .

Degradation phenomenon of electrical contacts by a micro-sliding mechanism -- The comparison of the evaluated minimal sliding amplitudes under some conditions (2)

Sawa Koichiro, Wada Shin-ichi, Koshida Keiji, 2014 .

Commutation Phenomena of DC Motors for Automotive Fuel Pumps in Various Fuels.

Sato Tomohiro, Sawa Koichiro, Sakamoto Kazuma, 2013 .