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| Paper Abstract and Keywords | ||
| Presentation | 2012-03-09 10:10 Active Noise Control System for Factory Noise Hirofumi Tetsu, Yoshinobu Kajikawa (Kansai Univ.)  CAS2011-152 SIP2011-172 CS2011-144 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Manufacturing equipment generates a serious noise (over 90 dB) in the factory. Hence, workers are exposed to the industrial noise for many hours and cannot communicate with each other. We therefore attempt to implement an active noise control (ANC) system in order to reduce the industrial noise. It is important to raise the correlation between a reference signal and an error signal in a feedforward ANC system for the noise in the factory. In order to raise the correlation, the distance between the reference and the error microphones must be shortened, or many microphones must be utilized. However, if many microphones are used, the computational complexity increases. Hence, we apply a parametric array loudspeaker as the control (secondary) source. In this case, the increase of sound pressure level in the uncontrolled area may be avoided because the parametric array loudspeaker has the feature of superdirectivity. In this paper, therefore, we examine the ANC system using the parametric array loudspeaker for the noise in the factory. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | active noise control / feedforward control / parametric array loudspeaker / factory noise / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 111, no. 466, SIP2011-172, pp. 251-256, March 2012. | |
| Paper # | SIP2011-172 | |
| Date of Issue | 2012-03-01 (CAS, SIP, CS) | |
| 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 | CAS2011-152 SIP2011-172 CS2011-144 |
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| Conference Information | |
| Committee | CAS CS SIP |
| Conference Date | 2012-03-08 - 2012-03-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | The University of Niigata |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Network Processor, Signal Processing for communication, and Wireless LAN/PAN, etc. |
| Paper Information | |
| Registration To | SIP |
| Conference Code | 2012-03-CAS-CS-SIP |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Active Noise Control System for Factory Noise |
| Sub Title (in English) | |
| Keyword(1) | active noise control |
| Keyword(2) | feedforward control |
| Keyword(3) | parametric array loudspeaker |
| Keyword(4) | factory noise |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Hirofumi Tetsu |
| 1st Author's Affiliation | Kansai University (Kansai Univ.) |
| 2nd Author's Name | Yoshinobu Kajikawa |
| 2nd Author's Affiliation | Kansai University (Kansai Univ.) |
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| Speaker | Author-1 |
| Date Time | 2012-03-09 10:10:00 |
| Presentation Time | 25 minutes |
| Registration for | SIP |
| Paper # | CAS2011-152, SIP2011-172, CS2011-144 |
| Volume (vol) | vol.111 |
| Number (no) | no.465(CAS), no.466(SIP), no.467(CS) |
| Page | pp.251-256 |
| #Pages | 6 |
| Date of Issue | 2012-03-01 (CAS, SIP, CS) |
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