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| Presentation | 2021-11-12 15:45 A Proposal of Digging System Based on Wirelessly Powered Drill Pipe String Needless of Battery Exchange Daisuhe Kitagawa, Toshio Ishizaki (Ryukoku Univ.), Tomoya Inoue, Junya Isiwata (JAMSTEC), Ikuo Awai (Fuji Waves)  WPT2021-10 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We propose the concept of a sensor system which extends the contactless power transfer system for undersea drilling we have studied so far to the underground oil digging system, too. It does not need battery exchange as the power source for the varieties of sensors or signal boosters. It will keep the principle of the lowest frequency as possible in order to realize the lowest attenuation as possible. Our new ideas reside in making a FDMA system for sensor driving, control and sensed information boosting based on triplexers. They are sent through drill pipe using a coaxial cable, where the control and sensed signal for each sensor are time division multiplexed (TDM), making a double stage multiplexing system. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | TriplexerDrill pipe / Contactless power and signal transmission / Spiral coil coupling / Lowering of operation frequency / FDMA / Triplexer / TDMA / Periodic circuit | |
| Reference Info. | IEICE Tech. Rep., vol. 121, no. 245, WPT2021-10, pp. 6-10, Nov. 2021. | |
| Paper # | WPT2021-10 | |
| Date of Issue | 2021-11-05 (WPT) | |
| 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 | WPT2021-10 |
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| Conference Information | |
| Committee | WPT UWT |
| Conference Date | 2021-11-12 - 2021-11-12 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2021-11-WPT-UWT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A Proposal of Digging System Based on Wirelessly Powered Drill Pipe String Needless of Battery Exchange |
| Sub Title (in English) | |
| Keyword(1) | TriplexerDrill pipe |
| Keyword(2) | Contactless power and signal transmission |
| Keyword(3) | Spiral coil coupling |
| Keyword(4) | Lowering of operation frequency |
| Keyword(5) | FDMA |
| Keyword(6) | Triplexer |
| Keyword(7) | TDMA |
| Keyword(8) | Periodic circuit |
| 1st Author's Name | Daisuhe Kitagawa |
| 1st Author's Affiliation | Ryukoku University (Ryukoku Univ.) |
| 2nd Author's Name | Toshio Ishizaki |
| 2nd Author's Affiliation | Ryukoku University (Ryukoku Univ.) |
| 3rd Author's Name | Tomoya Inoue |
| 3rd Author's Affiliation | JAMSTEC (JAMSTEC) |
| 4th Author's Name | Junya Isiwata |
| 4th Author's Affiliation | JAMSTEC (JAMSTEC) |
| 5th Author's Name | Ikuo Awai |
| 5th Author's Affiliation | Fuji Waves Co.,LTD. (Fuji Waves) |
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| Speaker | Author-1 |
| Date Time | 2021-11-12 15:45:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2021-10 |
| Volume (vol) | vol.121 |
| Number (no) | no.245 |
| Page | pp.6-10 |
| #Pages | 5 |
| Date of Issue | 2021-11-05 (WPT) |
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