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| Presentation | 2017-11-17 10:50 Side-Lobe Suppression for Air-Coupled Ultrasonic Sensors Attached on the Back Side of Automobile Bumpers Koji Ibata, Rokuzo Hara, Tomonori Kimura, Yasuhiro Nishioka, Naofumi Yoneda, Satoru Inoue (Mitsubishi Electric)  US2017-66 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Recently, preventive safety systems for automobiles such as parking assistance systems have evolved considerably and have become prevalent. Obstacle detection devices for parking assistance systems typically make use of air-coupled ultrasonic sensors. Ultrasonic sensors are usually attached to automobiles through through-holes in their bumpers. For this reason, new structures with ultrasonic sensors attached on the back side of bumpers without through-holes are being required. However, the directional characteristics of ultrasonic waves radiated from these structures are affected by the bumper, and then side-lobes occur. In this paper, the method of side-lobes suppression is examined. We attempt to reduce the side-lobes by suppressing the unnecessary vibrations on the bumper using annular convex rings made of aluminum. We show that the side-lobes can be reduced by suppressing bumper vibrations. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Air-Coupled Ultrasonic Sensor / Directional Characteristic / Automobile / / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 311, US2017-66, pp. 13-16, Nov. 2017. | |
| Paper # | US2017-66 | |
| Date of Issue | 2017-11-10 (US) | |
| 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 | US2017-66 |
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| Conference Information | |
| Committee | US |
| Conference Date | 2017-11-17 - 2017-11-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Honda Electronics Co. Ltd. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | US |
| Conference Code | 2017-11-US |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Side-Lobe Suppression for Air-Coupled Ultrasonic Sensors Attached on the Back Side of Automobile Bumpers |
| Sub Title (in English) | |
| Keyword(1) | Air-Coupled Ultrasonic Sensor |
| Keyword(2) | Directional Characteristic |
| Keyword(3) | Automobile |
| Keyword(4) | |
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| 1st Author's Name | Koji Ibata |
| 1st Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 2nd Author's Name | Rokuzo Hara |
| 2nd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 3rd Author's Name | Tomonori Kimura |
| 3rd Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 4th Author's Name | Yasuhiro Nishioka |
| 4th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 5th Author's Name | Naofumi Yoneda |
| 5th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
| 6th Author's Name | Satoru Inoue |
| 6th Author's Affiliation | Mitsubishi Electric Corporation (Mitsubishi Electric) |
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| Speaker | Author-1 |
| Date Time | 2017-11-17 10:50:00 |
| Presentation Time | 25 minutes |
| Registration for | US |
| Paper # | US2017-66 |
| Volume (vol) | vol.117 |
| Number (no) | no.311 |
| Page | pp.13-16 |
| #Pages | 4 |
| Date of Issue | 2017-11-10 (US) |
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