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| Presentation | 2020-01-16 17:30 Development of Optical Transmission Line for Aircraft Flight Control Takeshiro Nagai, Kengo Tanabe, Tomotaka Murase, Kouzou Kiyotake, Tohru Takahashi (SWCC), Koichi Yamamoto, Satoru Kato, Hiroyuki Ohta (KHI)  OFT2019-51 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | As flight control technology progresses, a significant focus is on the development of optical data bus systems resistant to electromagnetic interference and capable of multiplexing with a large number of devices. Optical fibers are used for the transmission lines of flight control devices, and optical coupler units branch the transmission line. We developed a low-nonlinearity optical fiber with a high numerical aperture and a large core diameter for the main bus, and an optical cord which can withstand the aerospace environment. We also designed an asymmetric fused fiber coupler which can endure shock acceleration up to 8000G, and be stored in an aluminum alloy hard chassis as a coupler unit. The optical cord and coupler unit are designed to achieve a mean time between failure of over 200,000 hours in aerospace environments. Flight test evaluations on actual aircraft showed good results with a total flight time of approximately 1,290 hours. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | FBL / optical data bus system / asymmetric fused fiber coupler / aircraft / / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 368, OFT2019-51, pp. 25-28, Jan. 2020. | |
| Paper # | OFT2019-51 | |
| Date of Issue | 2020-01-09 (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 | OFT2019-51 |
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| Conference Information | |
| Committee | OFT |
| Conference Date | 2020-01-16 - 2020-01-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | NINS Okazaki Conference Center |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | OFT |
| Conference Code | 2020-01-OFT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Development of Optical Transmission Line for Aircraft Flight Control |
| Sub Title (in English) | |
| Keyword(1) | FBL |
| Keyword(2) | optical data bus system |
| Keyword(3) | asymmetric fused fiber coupler |
| Keyword(4) | aircraft |
| Keyword(5) | |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Takeshiro Nagai |
| 1st Author's Affiliation | SWCC SHOWA CABLE SYSTEMS CO., LTD. (SWCC) |
| 2nd Author's Name | Kengo Tanabe |
| 2nd Author's Affiliation | SWCC SHOWA CABLE SYSTEMS CO., LTD. (SWCC) |
| 3rd Author's Name | Tomotaka Murase |
| 3rd Author's Affiliation | SWCC SHOWA CABLE SYSTEMS CO., LTD. (SWCC) |
| 4th Author's Name | Kouzou Kiyotake |
| 4th Author's Affiliation | SWCC SHOWA CABLE SYSTEMS CO., LTD. (SWCC) |
| 5th Author's Name | Tohru Takahashi |
| 5th Author's Affiliation | SWCC SHOWA CABLE SYSTEMS CO., LTD. (SWCC) |
| 6th Author's Name | Koichi Yamamoto |
| 6th Author's Affiliation | Kawasaki Heavy Industries, Ltd. (KHI) |
| 7th Author's Name | Satoru Kato |
| 7th Author's Affiliation | Kawasaki Heavy Industries, Ltd. (KHI) |
| 8th Author's Name | Hiroyuki Ohta |
| 8th Author's Affiliation | Kawasaki Heavy Industries, Ltd. (KHI) |
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| Speaker | Author-1 |
| Date Time | 2020-01-16 17:30:00 |
| Presentation Time | 25 minutes |
| Registration for | OFT |
| Paper # | OFT2019-51 |
| Volume (vol) | vol.119 |
| Number (no) | no.368 |
| Page | pp.25-28 |
| #Pages | 4 |
| Date of Issue | 2020-01-09 (OFT) |
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