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| Presentation | 2017-10-17 13:35 Numerical Analysis of Electromagnetic Coupling between WPT System and Human Body using a Hybrid MoM-FDTD Method Satoshi Shimoyama (TUAT), Jerdvisanop Chakarothai, Kanako Wake, Soichi Watanabe (NICT), Takuji Arima, Toru Uno (TUAT)  WPT2017-41 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | To ensure human safety against electromagnetic (EM) exposures due to wireless power transfer (WPT) systems operating in MHz-band frequencies, a compliance test must be conducted using either numerical simulations or measurements. In this research, we perform simulation by using hybrid MoM-FDTD method for exposure evaluation inside a numerical human body in the proximity of MHz-band WPT system. Furthermore, we investigated a strength of EM coupling between human body and WPT system in order to validate conventional two step methods which ignore effect of EM coupling; i.e., impedance method and scattered field FDTD method. As a result, the difference in the exposure evaluation results resulting from ignoring EM coupling is 3.7 % at the maximum when the distance between human body and WPT system is 1 cm. We validated conventional two step method for exposure evaluation of MHz-band WPT systems and obtained the uncertainty caused by ignoring EM coupling. |
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| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Hybrid MoM-FDTD method / wireless power transfer system / numerical analysis / exposure assessment / electromagnetic coupling / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 117, no. 241, WPT2017-41, pp. 29-34, Oct. 2017. | |
| Paper # | WPT2017-41 | |
| Date of Issue | 2017-10-10 (WPT) | |
| 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 | WPT2017-41 |
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| Conference Information | |
| Committee | EE WPT |
| Conference Date | 2017-10-16 - 2017-10-17 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Tohoku Univ. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Paper Information | |
| Registration To | WPT |
| Conference Code | 2017-10-EE-WPT |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Numerical Analysis of Electromagnetic Coupling between WPT System and Human Body using a Hybrid MoM-FDTD Method |
| Sub Title (in English) | |
| Keyword(1) | Hybrid MoM-FDTD method |
| Keyword(2) | wireless power transfer system |
| Keyword(3) | numerical analysis |
| Keyword(4) | exposure assessment |
| Keyword(5) | electromagnetic coupling |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Satoshi Shimoyama |
| 1st Author's Affiliation | Tokyo university of agriculture and technology (TUAT) |
| 2nd Author's Name | Jerdvisanop Chakarothai |
| 2nd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 3rd Author's Name | Kanako Wake |
| 3rd Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 4th Author's Name | Soichi Watanabe |
| 4th Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 5th Author's Name | Takuji Arima |
| 5th Author's Affiliation | Tokyo university of agriculture and technology (TUAT) |
| 6th Author's Name | Toru Uno |
| 6th Author's Affiliation | Tokyo university of agriculture and technology (TUAT) |
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| Speaker | Author-1 |
| Date Time | 2017-10-17 13:35:00 |
| Presentation Time | 25 minutes |
| Registration for | WPT |
| Paper # | WPT2017-41 |
| Volume (vol) | vol.117 |
| Number (no) | no.241 |
| Page | pp.29-34 |
| #Pages | 6 |
| Date of Issue | 2017-10-10 (WPT) |
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