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| Presentation | 2011-11-18 16:15 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.)  EMD2011-102 Link to ES Tech. Rep. Archives: EMD2011-102 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Authors have developed the mechanism which gives damping vibration to electrical contacts by the reciprocal hammering-oscillation and by another mechanism which gives periodical micro-sliding to electrical contacts directly driven by a magmetostrictive actuator or a piezo-electrical one. It was shown that each mechanism was able to make a test simulate an actual degradation phenomenon on electrical contacts by the influence of micro-oscillation. Using the above mechanisms and their models they have studied the influences of a micro-oscillation on contact resistance. In this paper, it was shown that there was a degradation phenomenon of electrical contacts by experimental results using the micro-sliding mechanism (MSM). Using the results the authors discussed the degradation phenomena in shorter term, about a day, on four types of conditions that the input waveform as external force was sinusoidal or rectangular and frictional force between male-pins and female-pins in a connector was usual or smaller. Consequently it was shown that there were (1) the minimal sliding amplitudes causing contact resistance fluctuations of electrical contacts and (2) the amplitudes correlating input waveforms and contact frictional forces. The authors recognized that the phenomena occurred more frequently in actual static contacts under the influence of some oscillation or vibration. Because there were some scratches on the surfaces in spite of almost zero of contact resistance, it was recognized that the degradation phenomena of electrical contacts could occurred more frequently in actual static contacts. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | electrical contact / degradation phenomenon / contact resistance / micro-sliding mechanism / hammering oscillating mechanism / frictional force / sliding amplitude / relative displacement | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 299, EMD2011-102, pp. 189-194, Nov. 2011. | |
| Paper # | EMD2011-102 | |
| Date of Issue | 2011-11-10 (EMD) | |
| ISSN | Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 | |
| Copyright and reproduction |
All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034) | |
| Download PDF | EMD2011-102 Link to ES Tech. Rep. Archives: EMD2011-102 |
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| Conference Information | |
| Committee | EMD |
| Conference Date | 2011-11-17 - 2011-11-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Akita Univ. Tegata Campus |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | International Session IS-EMD2011 |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2011-11-EMD |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Degradation Phenomenon of Electrical Contacts using a Micro-Sliding Mechanism |
| Sub Title (in English) | Minimal Sliding Amplitudes estimated under some conditions by the Mechanism (18) |
| Keyword(1) | electrical contact |
| Keyword(2) | degradation phenomenon |
| Keyword(3) | contact resistance |
| Keyword(4) | micro-sliding mechanism |
| Keyword(5) | hammering oscillating mechanism |
| Keyword(6) | frictional force |
| Keyword(7) | sliding amplitude |
| Keyword(8) | relative displacement |
| 1st Author's Name | Shin-ichi Wada |
| 1st Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 2nd Author's Name | Keiji Koshida |
| 2nd Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 3rd Author's Name | Masahiro Kawanobe |
| 3rd Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 4th Author's Name | Saindaa Norovling |
| 4th Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 5th Author's Name | Naoki Masuda |
| 5th Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 6th Author's Name | Akira Ishiguro |
| 6th Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 7th Author's Name | Kunio Yanagi |
| 7th Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 8th Author's Name | Hiroaki Kubota |
| 8th Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 9th Author's Name | Koichiro Sawa |
| 9th Author's Affiliation | Nippon Institute of Technology (Nippon Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2011-11-18 16:15:00 |
| Presentation Time | 20 minutes |
| Registration for | EMD |
| Paper # | EMD2011-102 |
| Volume (vol) | vol.111 |
| Number (no) | no.299 |
| Page | pp.189-194 |
| #Pages | 6 |
| Date of Issue | 2011-11-10 (EMD) |
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