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Technical Committee on Electromechanical Devices (EMD)
Chair: Kiyoshi Yoshida (Nippon Inst. of Tech.)
Vice Chair: Makoto Hasegawa (Chitose Inst. of Science and Tech.), Junya Sekikawa (Shizuoka Univ.)
Secretary: Nobuhiro Kuga (Yokohama National Univ.), Yasuhiro Hattori (Sumitomo Denso)
Assistant: Yoshiteru Abe (NTT)

DATE:
Thu, Nov 17, 2011 08:40 - 18:10
Fri, Nov 18, 2011 08:45 - 17:55

PLACE:
Akita Univ., Tegata Campus, Venture Business Laboratory, 2nd floor, Seminar Room(1-1 Tegata-Gakuen-machi, AKita-shi, 010-8502 Japan. About 6 min. bus ride from Akita Station West Bus Terminal. http://www.akita-u.ac.jp/english/access.html. Prof. Hiroshi Inoue. +81-18-889-2491)

TOPICS:
International Session IS-EMD2011

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Thu, Nov 17 AM (08:40 - 18:10)
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----- Opening Remarks ( 5 min. ) -----

(1) 08:45 - 09:05
Reignition of Break Arcs Magnetically Blown-Out in a 450V DC Resistive Circuit
Hitoshi Ono, Junya Sekikawa, Takayoshi Kubono (Shizuoka Univ)

(2) 09:05 - 09:25
Position and shape of break arcs driven by transverse magnetic field
Tomoaki Sasaki, Junya Sekikawa, Takayoshi Kubono (Shizuoka Univ)

(3) 09:25 - 09:45
Effect of Shapes of Contact Surfaces on Break Arcs Occurring between Electrical Contacts in which a Magnet Is Embedded
Naoya Takeshita, Junya Sekikawa, Takayoshi Kubono (Shizuoka Univ.)

(4) 09:45 - 10:05
Simulation Study on Arc Characteristics Driven by Magnetic Fields in a Sealed Relay
Xue Zhou, Weiting Zhai, Xinglei Cui, Guofu Zhai (Harbin Inst. of Tech.)

(5) 10:05 - 10:25
Influence of Different Voltages on Arc Characteristics under Transverse Magnetic Field
Zhai Guofu, Liu Yaqi, Jiang Hanyu, Cui Xinglei (Harbin Inst. of Tech.)

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

(6) 10:40 - 11:10
[Invited Talk]
Characteristics of Arc with Carbon Electrodes
E. Carvou, B. Mitchell, N. Ben Jemaa, J. Praquin (Univ. of Rennes 1), M. Djeddi, Z. Belhaja (Schneider Electric)

(7) 11:10 - 11:30
Some theoretical aspects of static welding in electric contact
-- A review a literature --
Robert Daszkiewicz, Piotr Borkowski (Tech. Univ. of Lodz)

(8) 11:30 - 11:50
Electromechanical Properties of Dielectric Electroactive Elastomer Actuators Based on Alumina/Natural Rubber
Araya Onthong, Sudarat Datsanae, Nuchnapa Tangboriboon (Kasetsart Univ.)

(9) 11:50 - 12:10
Rotation Phenomena of Speckle Patterns Observed in an Output Light Spot from an Optical Fiber
Yusuke Takahashi, Muneki Kawahara, Makoto Hasegawa (Chitose Inst. of Science & Tech.)

(10) 12:10 - 12:30
An Experimental Study on Changes of Speckle Patterns Caused by Load Application onto an Optical Fiber
Muneki Kawahara, Yusuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science & Tech.)

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

(11) 13:30 - 14:00
[Invited Talk]
Environmentally-Friendly Switches
-- Arcing Phenomena in Vacuum and SF6 Substitutes --
Shenli Jia, Xingwen Li, Zongqian Shi, Lijun Wang (Xi'an Jiaotong Univ.)

(12) 14:00 - 14:20
Research on Contact Failure Mechanism in Static Electrical Contact
Shouta Ogawa, Koichiro Sawa, Takahiro Ueno (Nippon Inst. of Tech.)

(13) 14:20 - 14:40
Experiment Study on Electric Lifetime of Ag-SnO2 Contacts in AC-3 Duty at 32A
Liu Hongwu, Guan Ruiliang, Yanfeng He, Yin Nairui (Changshu Switchgear Mfg.), Chen Degui (Xi'an Jiaotong Univ.)

(14) 14:40 - 15:00
Dependence of Contact Resistance Distribution on Circuit Current after Occurrence of Break Arcs
Youhei Yamanashi, Katsuyoshi Miyaji, Junya Sekikawa, Takayoshi Kubono (Shizuoka Univ.)

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

(15) 15:15 - 15:35
The Effect of Transverse Magnetic Field on Arcing Duration of Electrical Contact
Liu Yun, Xu Guangda, Li Zhenbiao, Zhao Laijun (Huazhong Univ. of Science and Tech.), Makoto Hasegawa (Chitose Inst. of Science and Tech.)

(16) 15:35 - 15:55
Analysis of the Characteristics of an AC Solenoid Magnetic Release with Permanent Magnet
Qian Wang, Xingwen Li, Degui Chen, Mingzhe Rong (Xi'an Jiaotong Univ.)

(17) 15:55 - 16:15
The Influence of Back Gas Flow on the Interruption Performance of Low-Voltage Circuit Breaker
Degui Chen, Xingwen Li, Ruicheng Dai (Xi'an Jiaotong Univ.)

(18) 16:15 - 16:35
The Static and Dynamic Analyses of Actuator with Branch Magnetic Circuit for Electronic Trip of Low-Voltage Circuit Breaker
Degui Chen, Hu Zhao, Yingyi Liu, Xingwen Li (Xi'an Jiaotong Univ.)

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

(19) 16:50 - 17:10
An Experimental Study on Evaluation of Contact Surface Damages with an Optical Cross-Section Method
Keisuke Takahashi, Makoto Hasegawa (Chitose Inst. of Science & Tech.)

(20) 17:10 - 17:30
Contact Resistance Characteristics of Relays Operated in Vapors Evaporated from Cured Polymeric Products
Nanae Kobayashi, Makoto Hasegawa (Chitose Inst. of Science & Tech.), Yoshiyuki Kohno, Hiroshi Ando (Kaneka)

(21) 17:30 - 17:50
A Robust Solution for Hesitate Phenomenon in Closing Process of Sealed Electromagnetic Relay
Jie Deng, Xuerong Ye, Yue Ma, Guofu Zhai (Harbin Inst. of Tech.)

(22) 17:50 - 18:10
Design of Contact Performance Testing Setup for Relay Contact
Xiaohua Wang, Tingting Cai, Mingzhe Rong (Xi'an Jiaotong Univ.)

----------------------------------------
Fri, Nov 18 AM (08:45 - 17:55)
----------------------------------------

(23) 08:45 - 09:05
Current Density Analysis in Contact Area by Using Light Emission Diode Wafer
Shigeru Sawada, Shigeki Tsukiji (Mie Univ.), Terutaka Tamai (ElconTech Consulting), Yasuhiro Hattori (Autonetworks Lab.)

(24) 09:05 - 09:25
Estimation of Contact Resistance of Tin Plated Ccontacts by Fretting Corrosion
Soshi Masui, Shigeru Sawada (Mie Univ.), Terutaka Tamai (ElconTech Consulting), Yasuhiro Hattori (Autonetworks Lab.), Kazuo Iida (Mie Univ.)

(25) 09:25 - 09:45
Deformation of Crystal Morphology in Tin Plated Contact Layer caused by Loading
Terutaka Tamai (Elcontech Consulting), Shigeru Sawada (Mie Univ.), Yasuhiro Hattori (AutoNetworks Lab.)

(26) 09:45 - 10:05
Stress-Strain Response of Copper-Based Spring Materials under Forward and Reverse Deformations and Its Mathematical Description 2
Yasuhiro Hattori, Kingo Furukawa (AutoNetworks Lab.), Fusahito Yoshida (Hiroshima Univ.)

(27) 10:05 - 10:25
Research on Fretting Wear Characteristics of Contact Material Induced by High Frequency Vibration
Wanbin Ren, Songjun Ma, Peng Wang (Harbin Inst. of Tech.)

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

(28) 10:40 - 11:10
[Invited Talk]
High-Speed Connector and Cable Design
-- Signal Integrity and Electromagnetic Interference Considerations --
Jun Fan (Missouri Univ. of Science and Tech.)

(29) 11:10 - 11:30
Detection of Second Harmonic Ultrasonic Components for Evaluation of Solids Interface
Takayuki Harada, Makoto Fukuda, Kazuhiko Imano (Akita Univ.)

(30) 11:30 - 11:50
Effect of Inductance at Connector Contact Boundary on Common-mode Current from Interconnected Devices
Kazuki Matsuda, Yu-ichi Hayashi, Takaaki Mizuki, Hideaki Sone (Tohoku Univ.)

(31) 11:50 - 12:10
Sample-Shape to Avoid Self-Heating Effect in PIM measurements \\using the standing wave coaxial tube method
Keita Hoshino, Daijiro Ishibashi, Nobuhiro Kuga (Yokohama National Univ.)

(32) 12:10 - 12:30
Simulation Method of Passive Intermodulation caused by a Short Source in Standing Wave
Daijiro Ishibashi, Keita Hoshino, Nobuhiro Kuga (Yokohama National Univ.)

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

(33) 13:30 - 14:00
[Invited Talk]
Analysis and Measurement Technique of Signal Transfer Characteristics in MEMs Probe Pins
Hyeonju Bae, Long Luong Duc, Wansoo Nah (Sungkyunkwan Univ.)

(34) 14:00 - 14:20
Supported varistor overvoltage limiter with high energy-consuming ability and high durability for DC high voltage systems
Grzegorz Drygala, Piotr Borkowski (Tech. Univ. of Lodz)

(35) 14:20 - 14:40
The Experimental Research of Liquid Metal Current Limiter
Fei Yang, Mingzhe Rong, Hailong He, Yiying Liu, Yi Wu (Xi'an Jiaotong Univ.)

(36) 14:40 - 15:00
An Experiment on Carbon Commutater and Brush Wear by Arc Discharge
Liu Liqing, Koichiro Sawa, Takahiro Ueno (Nippon Inst. of Tech.)

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

(37) 15:15 - 15:35
Research on Optimization Design of UHF-Partial Discharge Sensor in GIS
Mingzhe Rong, Tianhui Li, Chen Zheng, Xiaohua Wang (Xi'an Jiaotong Univ.)

(38) 15:35 - 15:55
The Simulation and Experimental Research of Arc Motion in DC Air Circuit Breakers
Yi Wu, Mingzhe Rong, Zhigang Ren, Fei Yang (Xi'an Jiaotong Univ.)

(39) 15:55 - 16:15
Electrode Mass Change of AgNi Contacts for Electromagnetic Contactor
-- Influence of Voltage when only Break Arc is Generated --
Kiyoshi Yoshida, Koichiro Sawa (Nippon Inst. of Tech.), Kenji Suzuki, Masaaki Watanabe, Hideki Daijima (Fuji Electric)

(40) 16:15 - 16:35
Degradation Phenomenon of Electrical Contacts using a Micro-Sliding Mechanism
-- Minimal Sliding Amplitudes estimated under some conditions by the Mechanism (18) --
Shin-ichi Wada, Keiji Koshida, Masahiro Kawanobe, Saindaa Norovling, Naoki Masuda, Akira Ishiguro, Kunio Yanagi, Hiroaki Kubota (TMC System), Koichiro Sawa (Nippon Inst. of Tech.)

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

(41) 16:50 - 17:10
Experimental Analysis of Transient Phenomena from Metal Melting to Electric Discharge during Breaking Operations of Electric Contacts
Takayuki Kudo, Noboru Wakatsuki (Ishinomaki Senshu Univ.)

(42) 17:10 - 17:30
Arc Discharge Affected by Pressure in Relay Housing
Kazuaki Miyanaga, Yoshiki Kayano, Hiroshi Inoue (Akita Univ.)

(43) 17:30 - 17:50
Voltage Fluctuation of Arc Discharge Affected by Pressure in Relay Housing
Kazuaki Miyanaga, Yoshiki Kayano, Hiroshi Inoue (Akita Univ.)

----- Closing Remarks ( 5 min. ) -----

# Information for speakers
General Talk will have 15 minutes for presentation and 5 minutes for discussion.
Invited Talk will have 20 minutes for presentation and 10 minutes for discussion.

# CONFERENCE SPONSORS:
- This conference is co-sponsored by Graduate School of Engineering and Resource Science, Akita University, Research and Engineering Society for Electromechanical Components and Contact Technology in Japan, IEEE EMC Society Sendai Chapter, and Akita Society on Applied Electronics for 21st Century, and financially supported by Intelligent Cosmos Academic Foundation and Graduate School of Engineering and Resource Science, Akita University.

# CONFERENCE ANNOUNCEMENT:
- Please joun us for a welcome banquet after the technical sessions on the first day at Akita University Hall (Clair).

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

Fri, Dec 16, 2011: NIT Kanda Camps [Fri, Oct 14], Topics: Electromechanical Devices
Fri, Jan 20, 2012: [Fri, Nov 18]
Fri, Feb 17, 2012: [Wed, Dec 14]

# SECRETARY:
Makoto Hasegawa（Chitose Inst. of Science and Technorogy）
TEL (0123)27-6059、FAX (0123)27-6059
E-mail: