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| Presentation | 2009-11-20 09:15 Diagnosis of Failure of Machine by Using the Higher-Order Correlation Information between Sound and Vibration Akira Ikuta (Pref. Univ. of Hiroshima), Hisako Orimoto (Hiroshima Nat Coll. of Maritime Tech.), Akiko Douno (Pref. Univ. of Hiroshima), Mitsuo Ohta (Hiroshima Univ.)  EA2009-84 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | In this study, a stochastic diagnosis method based on the changing information of not only a linear correlation but also the higher order nonlinear correlation is proposed in a form suitable for on-line signal processing in time domain by using a personal computer, especially in order to find minutely the mutual relationship between sound and vibration emitted from rotational machines. More specifically, a conditional probability hierarchically reflecting various types of correlation information is theoretically derived by introducing an expression on the multi-dimensional probability distribution in orthogonal expansion series form. The effectiveness of the proposed theory is experimentally confirmed by applying it to the observed data emitted from a rotational machine driven by an electric motor. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Higher order correlation / conditional probability / relationship between sound and vibration / changing information of correlation characteristics / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 109, no. 286, EA2009-84, pp. 49-54, Nov. 2009. | |
| Paper # | EA2009-84 | |
| Date of Issue | 2009-11-12 (EA) | |
| 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 | EA2009-84 |
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| Conference Information | |
| Committee | EA |
| Conference Date | 2009-11-19 - 2009-11-20 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | EA |
| Conference Code | 2009-11-EA |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Diagnosis of Failure of Machine by Using the Higher-Order Correlation Information between Sound and Vibration |
| Sub Title (in English) | |
| Keyword(1) | Higher order correlation |
| Keyword(2) | conditional probability |
| Keyword(3) | relationship between sound and vibration |
| Keyword(4) | changing information of correlation characteristics |
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| 1st Author's Name | Akira Ikuta |
| 1st Author's Affiliation | Prefectural University of Hiroshima (Pref. Univ. of Hiroshima) |
| 2nd Author's Name | Hisako Orimoto |
| 2nd Author's Affiliation | Hiroshima National College of Maritime Technology (Hiroshima Nat Coll. of Maritime Tech.) |
| 3rd Author's Name | Akiko Douno |
| 3rd Author's Affiliation | Prefectural University of Hiroshima (Pref. Univ. of Hiroshima) |
| 4th Author's Name | Mitsuo Ohta |
| 4th Author's Affiliation | Hiroshima University (Hiroshima Univ.) |
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| Speaker | Author-1 |
| Date Time | 2009-11-20 09:15:00 |
| Presentation Time | 30 minutes |
| Registration for | EA |
| Paper # | EA2009-84 |
| Volume (vol) | vol.109 |
| Number (no) | no.286 |
| Page | pp.49-54 |
| #Pages | 6 |
| Date of Issue | 2009-11-12 (EA) |
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