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Technical Committee on Electromechanical Devices (EMD)
Chair: Ryo Nagase (NTT) Vice Chair: Kiyoshi Yoshida (Nippon Inst. of Tech.)
Secretary: Makoto Hasegawa (Chitose Inst. of Science and Tech.), Junya Sekikawa (Shizuoka Univ.)
Assistant: Mitsuo Ichiya (Matsushita)

DATE:
Sat, Nov 15, 2008 09:00 - 18:40
Sun, Nov 16, 2008 09:00 - 17:20

PLACE:
Tohoku Bunka Gakuen University, Bldg. No. 1(45-1 Kunimi 6-chome, Aoba-ku, Sendai-shi, 981-8551 Japan. JR Senzan Line, Kunimi Station. https://www.ieice.org/es/emd/sendai.html. Prof. Masanari Taniguchi)

TOPICS:
International Session on Electro-Mechanical Devices 2008

----------------------------------------
Sat, Nov 15 AM (09:00 - 12:20)
Chair: Makoto Hasegawa, Hiroyuki Ishida
----------------------------------------

(1) 09:00 - 09:20
Degradation phenomenon of electrical contacts by 3-D oscillating mechanism
-- Basal characteristics of 3-D oscillating mechanism --
Shin-ichi Wada, Keiji Koshida, Taketo Sonoda, Hiroto Minegishi, Yukiharu Kobayashi, Mitsuo Kikuchi, Hiroaki Kubota (TMC System), Koichiro Sawa (Keio University)

(2) 09:20 - 09:40
Vibration Characteristics Analysis of Contact System of Hermetically Sealed Electromagnetic Relay Subjected to Random Vibration
Guofu Zhai, Yinghua Chen, Wanbin Ren, Yunzhi Kang (Harbin Inst. Tech.)

(3) 09:40 - 10:00
"3-D Graphic Image of Vibration Analysis of Printed Circuit Board by Using Holography
Hiromichi Kubota, Masanari Taniguchi, Shosuke Suzuki, Tasuku Takagi (Tbohoku Bunka Gakuen Univ.)

(4) 10:00 - 10:20
The effect of external vibrations on the characteristics of the clapper relay
Wanbin Ren, Yunzhi Kang, Yinghua Chen (Harbin Inst. of Tech.)

----- Break ( 20 min. ) -----

(5) 10:40 - 11:00
Research on Dynamic Characteristics Testing and Analyzing System of Electromagnetic Relay
Xuerong Ye, Huimin Liang, Jie Deng, Guofu Zhai (Harbin Inst. Tech.)

(6) 11:00 - 11:20
Improvement in parameters of older construction power contactors by modernization of their drivers
Piotr Borkowski, Grzegorz Drygala (Tech. Univ. of Lodz)

(7) 11:20 - 11:40
Overvoltage protection in power systems of electric traction 3 kV DC with energy-consuming systems
Grzegorz Drygala, Piotr Borkowski (Tech. Univ. of Lodz)

(8) 11:40 - 12:00
A Study on Optimization of Electromagnetic Relay's Reaction Torque Characteristic Based on Adjusted Parameters
Guofu Zhai, Qiya Wang, Wanbin Ren (Harbin Inst. of Tech.)

(9) 12:00 - 12:20
The Inverse Design Method of Electromagnetic Relay Reaction System
Guofu Zhai, Weiwei Fan, Wenying Yang (Harbin Inst. of Tech.)

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

----------------------------------------
Sat, Nov 15 PM (13:20 - 18:40)
Chair: Junya Sekikawa, Kiyoshi Yoshida, John W. McBride
----------------------------------------

(10) 13:20 - 13:40
AFM Analysis of Composite Materials for Sliding Contacts Containing solid Lubricants
Yoshitada Watanabe, Masaomi Arai (Kogakuin Univ.)

(11) 13:40 - 14:00
Study on A Novel Method of Accelerated Life Test for Relay Reliability
Shujuan Wang, Qiong Yu, Li Ren (Harbin Inst. of Tech.)

(12) 14:00 - 14:20
Electric Properties and Surface Conditions of Tin Plated Contact with Load
Shinya Nakamura, Yasushi Saitoh, Terutaka Tamai, Kazuo Iida (Mie Univ.), Yasuhiro Hattori (AutoNetworks Technologies, Ltd.)

(13) 14:20 - 14:40
Study of Fretting Corrosion in Early Stage
Naoyuki Sato, Yasushi Saitoh, Terutaka Tamai, Kazuo Iida (Mie Univ.), Tetsuya Ito, Yasuhiro Hattori (AutoNetwork Technologies)

----- Break ( 20 min. ) -----

(14) 15:00 - 15:20
Contact Mechanisms and Contact Resistance Charateristics of Solid Tin and Plated Tin Contacts.
-- Separation of crystal grains of tin palted and its effect on contact resistance --
Terutaka Tamai, Shigeru Sawada (Mie Univ.), Yasuhiro Hattori (AutoNetworks)

(15) 15:20 - 15:40
Research on Auto-detection Technology of Remainder Particles for Aerospace Relay in Particle Impact Noise Detection
Shicheng Wang, Guofu Zhai, Shujuan Wang (Harbin Inst. of Tech.)

(16) 15:40 - 16:00
Low Force Electrical Switching Using Gold Coated Vertically Aligned Multi-Walled Carbon Nanotubes Surfaces
E. M. Yunus, J. W. McBride, S. M. Spearing (Univ. of Southampton)

(17) 16:00 - 16:20
Simulation of the Interruption Process of MCCB with Double Repulsive Contacts
Liang Ji, Degui Chen, Yingyi Liu, Xingwen Li (Xi'an Jiaotong Univ.)

(18) 16:20 - 16:40
Simulation and Analysis for a Permanent Contactor with and without Current-feedback System
Degui Chen, Yingyi Liu, Liang Ji, Chunping Niu (Xi'an Jiaotong Univ.)

----- Break ( 20 min. ) -----

(19) 17:00 - 17:20
New Method to Model the Equivalent Circuit of the Pulse Generator in EFT/B Test
Xiaoshe Zhai, Yingsan Geng, Jianhua Wang, Zhengxiang Song, Degui Chen (Xi'an Jiaotong Univ.)

(20) 17:20 - 17:40
Computation of Electromagnetic Field Distribution in a Cross-Section of Connector with Contact Failure
Jarno Marttila, Yu-ichi Hayashi (Tohoku Univ.), Yoshiki Kayano (Akita Univ.), Hideaki Sone (Tohoku Univ.), Hiroshi Inoue (Akita Univ.)

(21) 17:40 - 18:00
The Numerical Thermal Analysis for Electromechanical Relay
Li Zhenbiao, Zheng Bicheng, He Zhengjie (Huazhong Univ. of Science & Tech.), Makoto Hasegawa (Chitose Inst. of Science Tech.)

(22) 18:00 - 18:20
Research on Leakage Permeance Calculation of Bar Permanent Magnet in Open Magnetic Circuit
Huimin Liang, Hao Cui, Xuerong Ye, Guofu Zhai (Harbin Inst. of Tech.)

(23) 18:20 - 18:40
The effect of Coil on Combined Three-subsection Permanent Magnet in Close Magnetic Circuit Model
Huimin Liang, Jun Xu, Xuerong Ye, Sinan Li, Guofu Zhai (Harbin Inst. of Tech.)

----- Banquet -----

----------------------------------------
Sun, Nov 16 AM (09:00 - 12:00)
Chair: Wanbin Ren, Yiying Liu
----------------------------------------

(24) 09:00 - 09:20
Prediction of resistance of electric contact with plated layer (1)
-- Theoretical analyses --
Shigeru Sawada, Kaori Shimizu, Yasuhiro Hattori (AutoNetworks Technologies, Ltd.), Terutaka Tamai (Mie Univ.)

(25) 09:20 - 09:40
Prediction of resistance of electrical contact with plated layer(2)
-- Contact area by FEM analysis --
Kaori Shimizu (AutoNetworks Technologies, Ltd.), Shigeki Shimada (Sumitomo Electric Industries, Ltd.), Shigeru Sawada, Yasuhiro Hattori (AutoNetworks Technologies, Ltd.)

(26) 09:40 - 10:00
The Research of Liquid Metal Current Limiter
Yiying Liu, Yi Wu, Mingzhe Rong, Hong Liu, Chenxi Pan, Shijie Yu (Xi'an Jiaotong Univ.)

(27) 10:00 - 10:20
An Innovation of Particulate Reinforced Alumina and Acrylic Rubber Composite Materials
N. Tangboriboon, P. Wongpinthong, N. Uttanawanit, M. Longthong (Kasetsart Univ.)

----- Break ( 20 min. ) -----

(28) 10:40 - 11:00
Intermodulation caused by Surface Mount-Device and Defected Connection
Ken-ichi Ohnishi, Nobuhiro Kuga (Yokohama Nat'l Univ.)

(29) 11:00 - 11:20
A Consideration for Duplexer Design in Connection Inspection using Passive Intermodulation
Takeo Nomura, Nobuhiro Kuga (Yokohama Nat'l Univ.)

(30) 11:20 - 11:40
Optimization Design for High Frequency Relay Based on FDTD Method and Equivalent Circuit Method
Guofu Zhai, Bing Chu, Wanbin Ren (Harbin Inst. of Tech.)

(31) 11:40 - 12:00
Pulse Response Characteristic of Connector Contact Failure on a Coaxial Cable
Kouhei Ohmura, Yu-ichi Hayashi, Hideaki Sone (Tohoku Univ.), Jun Fan (Missouri Univ. Sci. Tech.)

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

----------------------------------------
Sun, Nov 16 PM (13:00 - 17:20)
Chair: Yasuhiro Hattori, Sigeru Sawada, Nobuhiro Kuga
----------------------------------------

(32) 13:00 - 13:20
A Measurement on Contact Voltage and Shape of Bridge at Low Speed Breaking Contacts
Kazuaki Miyanaga, Yoshiki Kayano (Akita Univ.), Tasuku Takagi (Em. Prof. Tohoku University), Hiroshi Inoue (Akita Univ.)

(33) 13:20 - 13:40
Electric Measurement of Melting Phenomena for Breaking Relay Contacts
Noboru Wakatsuki, Nobuo Takatsu, Masahiro Oikawa (Ishinomaki Senshu Univ.)

(34) 13:40 - 14:00
Analytical Model of Melting Phenomena for Breaking Relay Contacts
Noboru Wakatsuki, Nobuo Takatsu, Toshiteru Maeda, Takayuki Kudo (Ishinomaki Senshu Univ.)

(35) 14:00 - 14:20
The Effect of Power Supply Voltage on Arcing Duration of Relays
Li Zhenbiao, Zhang Huan, Liang Panwang (Huazhong Univ. Sci. Tech.), Makoto Hasegawa (Chitose Inst. Sci. Tech.)

----- Break ( 20 min. ) -----

(36) 14:40 - 15:00
Investigation on Arc Characteristics under Axial and Transverse Magnetic Fields
Guofu Zhai, Xue Zhou, Wenying Yang (Harbin Inst. of Uech.)

(37) 15:00 - 15:20
Preliminary study of the magnetic method used to measure air arc behavior
Xingwen Li, Haoyong Song, Degui Chen (Xi'an Jiaotong Univ.)

(38) 15:20 - 15:40
Rotational Motion of Break Arcs Driven by Radial Magnetic Field in a DC Resistive Circuit
Junya Sekikawa (Shizuoka Univ.), Takayoshi Kubono (Prof. Em., Shizuoka Univ.)

----- Break ( 20 min. ) -----

(39) 16:00 - 16:20
Break Arc Duration at Carbon Contacts in an Inductive Circuit
-- Discussion on Carbon Arc V-I Characteristics --
Keiichi Suhara (Tokyo National College of Tech.)

(40) 16:20 - 16:40
Study on Suppression of Radiated Electromagnetic Noise Generated by Electric Arc in Hybrid Relay
Guofu Zhai, Wenying Yang, Xianbin Bian (Harbin Inst. of Tech.)

(41) 16:40 - 17:00
A Study on Relationship between Opening Velocity and Short-Time Arc for Silver Contact
Shingo Hanawa, Kazuaki Miyanaga, Yoshiki Kayano, Hiroshi Inoue (Akita Univ.)

(42) 17:00 - 17:20
Commutation Phenomena of DC Motor in Ethanol Fuel
Koichiro Sawa, Akihiro Nakamura, Hiraku Ogura, Toshiyuki Murakami (Keio Univ.)

# Information for speakers
General Talk will have 15 minutes for presentation and 5 minutes for discussion.

# CONFERENCE SPONSORS:
- Co-sponsored by Research and Engineering Society for Electromechanical Components and Contact Technology in Japan

# CONFERENCE ANNOUNCEMENT:
- Please join us for a banquet on Saturday evening.


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

Fri, Dec 19, 2008: Tamagawa Univ. [Tue, Oct 21]
Fri, Jan 23, 2009: [Fri, Nov 14]
Fri, Feb 20, 2009: Sumitomo Wiring Systems LTD., Head Office [Fri, Dec 12]

# SECRETARY:
Makoto Hasegawa(Chitose Inst. of Science and Technorogy)
TEL (0123)27-6059、FAX (0123)27-6059
E-mail: hasegawa@photon.chitose.ac.jp
Junya Sekikawa (Shizuoka Univ.)
TEL (053) 478-1618、FAX (053) 478-1618
E-mail: tjsekik@ipc.shizuoka.ac.jp
Mituo Ichiya(Matsushita Electric Works)
TEL (070)5432-0873、FAX (03)6218-1921
E-mail: ichiya@mail.mew.co.jp

# ANNOUNCEMENT:
# Latest information will be presented on the homepage: http://www.ieice.org/es/emd/jpn/


Last modified: 2008-11-20 12:18:50


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