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| Presentation | 2014-08-22 15:55 An Evaluating Method for Fundamental Dynamical Parameters of Objects on a Printed Circuit Board (PCB) (6) -- The effect by application time of external force -- Shin-ichi Wada, Keiji Koshida, Hiroaki Kubota (TMC System), Koichiro Sawa (Nippon Inst. of Tech.)  R2014-49 EMD2014-54 CPM2014-69 OPE2014-79 LQE2014-53 Link to ES Tech. Rep. Archives: EMD2014-54 CPM2014-69 OPE2014-79 LQE2014-53 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Authors have obtained the transient response and steady-state one using theoretical inputs developed by Fourier series and the analytical outputs when input waveforms are sinusoidal and rectangular. Following the characteristics of input waveform, the kinetic nature of the system has the effects on the output waveform, which are remarkable in case of rectangular input. It has been shown that the time-series force, which is obtained by hammering oscillation mechanism, is approximated to delta function, and that quasi-impulsive response occurs by the force if the value "r (=τ/T)" of rectangular waveform is smaller than 0.005. In this paper, they extend the above theoretical discussion on the characteristics between inputs and outputs in addition to a quasi-impulsive wave whose application time is finite but very short. Next they consider theoretically and experimentally the characteristics of the output against the quasi-impulsive input when the external impulsive force applies to the system. In addition, they discuss a possible analysis for the process of degradation phenomenon of electrical contacts by examining the value "r". And it is shown that there are the dynamical parameters to be evaluated and the process of the degradation phenomenon to be analysed. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | electrical contact / micro-oscillation / Fourier analysis / collision mechanism / load / contact time / impulse / | |
| Reference Info. | IEICE Tech. Rep., vol. 114, no. 184, EMD2014-54, pp. 133-138, Aug. 2014. | |
| Paper # | EMD2014-54 | |
| Date of Issue | 2014-08-14 (R, EMD, CPM, OPE, LQE) | |
| 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 | R2014-49 EMD2014-54 CPM2014-69 OPE2014-79 LQE2014-53 Link to ES Tech. Rep. Archives: EMD2014-54 CPM2014-69 OPE2014-79 LQE2014-53 |
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| Conference Information | |
| Committee | EMD LQE OPE CPM R |
| Conference Date | 2014-08-21 - 2014-08-22 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Otaru Economy Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EMD |
| Conference Code | 2014-08-EMD-LQE-OPE-CPM-R |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | An Evaluating Method for Fundamental Dynamical Parameters of Objects on a Printed Circuit Board (PCB) (6) |
| Sub Title (in English) | The effect by application time of external force |
| Keyword(1) | electrical contact |
| Keyword(2) | micro-oscillation |
| Keyword(3) | Fourier analysis |
| Keyword(4) | collision mechanism |
| Keyword(5) | load |
| Keyword(6) | contact time |
| Keyword(7) | impulse |
| Keyword(8) | |
| 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 | Hiroaki Kubota |
| 3rd Author's Affiliation | TMC System Co. Ltd. (TMC System) |
| 4th Author's Name | Koichiro Sawa |
| 4th Author's Affiliation | Nippon Institute of Technology (Nippon Inst. of Tech.) |
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| Speaker | Author-1 |
| Date Time | 2014-08-22 15:55:00 |
| Presentation Time | 20 minutes |
| Registration for | EMD |
| Paper # | R2014-49, EMD2014-54, CPM2014-69, OPE2014-79, LQE2014-53 |
| Volume (vol) | vol.114 |
| Number (no) | no.183(R), no.184(EMD), no.185(CPM), no.186(OPE), no.187(LQE) |
| Page | pp.133-138 |
| #Pages | 6 |
| Date of Issue | 2014-08-14 (R, EMD, CPM, OPE, LQE) |
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