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| Presentation | 2020-10-08 11:40 [Poster Presentation] Basic study of shape sensing for large-scale line structures with multi-core fibers by Brillouin OTDR Makito Kobayashi, Yoshiki Maeda, Kimihiro Toh (the Univ. of Tokyo), Nobutomo Hanzawa (NTT), Kengo Koizumi, Hitoshi Murai (OKI), Ryota Wada (the Univ. of Tokyo), Takashi Matsui, Kazuhide Nakajima (NTT), Hideaki Murayama (the Univ. of Tokyo)  OFT2020-19 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | It is difficult to observe the behavior of large-scale line structures used in offshore systems directly, such as risers, and mooring lines. Their large and repeated deformation can cause system or structural failure. Therefore, it is helpful for system integrity to monitor there deformation continuously by shape sensing. In this study, shape sensing system for the large-scale line structure was implemented with BOTDR and thicker Multi-core fiber. The system was validated experimentally and shapes including straight line and circle with diameter is 1.0 m or 1.9 m were identified well. More accurate measurement of strains is expected to lead to more accurate shape sensing. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Shape sensing / BOTDR / MCF / Structural Health Monitoring / large-scale line structures / deformation monitoring / / | |
| Reference Info. | IEICE Tech. Rep., vol. 120, no. 184, OFT2020-19, pp. 41-45, Oct. 2020. | |
| Paper # | OFT2020-19 | |
| Date of Issue | 2020-10-01 (OFT) | |
| ISSN | 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 | OFT2020-19 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2020-10-08 - 2020-10-09 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2020-10-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Basic study of shape sensing for large-scale line structures with multi-core fibers by Brillouin OTDR |
| Sub Title (in English) | |
| Keyword(1) | Shape sensing |
| Keyword(2) | BOTDR |
| Keyword(3) | MCF |
| Keyword(4) | Structural Health Monitoring |
| Keyword(5) | large-scale line structures |
| Keyword(6) | deformation monitoring |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Makito Kobayashi |
| 1st Author's Affiliation | the University of Tokyo (the Univ. of Tokyo) |
| 2nd Author's Name | Yoshiki Maeda |
| 2nd Author's Affiliation | the University of Tokyo (the Univ. of Tokyo) |
| 3rd Author's Name | Kimihiro Toh |
| 3rd Author's Affiliation | the University of Tokyo (the Univ. of Tokyo) |
| 4th Author's Name | Nobutomo Hanzawa |
| 4th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 5th Author's Name | Kengo Koizumi |
| 5th Author's Affiliation | Oki Electric Industry Co., Ltd. (OKI) |
| 6th Author's Name | Hitoshi Murai |
| 6th Author's Affiliation | Oki Electric Industry Co., Ltd. (OKI) |
| 7th Author's Name | Ryota Wada |
| 7th Author's Affiliation | the University of Tokyo (the Univ. of Tokyo) |
| 8th Author's Name | Takashi Matsui |
| 8th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 9th Author's Name | Kazuhide Nakajima |
| 9th Author's Affiliation | Nippon Telegraph and Telephone Corporation (NTT) |
| 10th Author's Name | Hideaki Murayama |
| 10th Author's Affiliation | the University of Tokyo (the Univ. of Tokyo) |
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| Speaker | Author-1 |
| Date Time | 2020-10-08 11:40:00 |
| Presentation Time | 40 minutes |
| Registration for | OFT |
| Paper # | OFT2020-19 |
| Volume (vol) | vol.120 |
| Number (no) | no.184 |
| Page | pp.41-45 |
| #Pages | 5 |
| Date of Issue | 2020-10-01 (OFT) |
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