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| Presentation | 2015-06-26 14:55 Influence of Incident Electric Field to SAR in a Human Body Close to a Wireless Power Transfer System in MHz-Band Frequency Jerdvisanop Chakarothai (NICT), Takuya Iwamoto (TUAT), Kanako Wake, Soichi Watanabe (NICT), Takuji Arima, Toru Uno (TUAT)  EMCJ2015-29 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer (WPT) technology has gained much attraction due to its wide applications. Since a high power is actually applied into WPT systems, strong EM field is then created around the systems. An exposure evaluation of human body in vicinity to the WPT systems is of mandatory in consequence. Although the magnetic field is actually a dominant exposure factor, in some case, a strong incident electric near-field is not negligible. In this study, we investigate and quantify influence of incident electric field to absorption energy into human body which is placed close to two type of MHz-band wireless power transfer systems; solenoid-type and spiral-type, by comparing the results obtained with the full-wave finite-difference time-domain (FDTD) method to those by the impedance method which is based on a quasi-static approximation. It has been shown that, the effect of incident electric field is comparably large and cannot be neglected, i.e. for an exposure from such solenoid-type WPT system considered in our study. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | Wireless power transfer / exposure assessment / specific absorption rate / FDTD method / impedance method / method of moments / / | |
| Reference Info. | IEICE Tech. Rep., vol. 115, no. 114, EMCJ2015-29, pp. 67-72, June 2015. | |
| Paper # | EMCJ2015-29 | |
| Date of Issue | 2015-06-18 (EMCJ) | |
| 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 | EMCJ2015-29 |
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| Conference Information | |
| Committee | EMCJ IEE-EMC IEE-MAG |
| Conference Date | 2015-06-25 - 2015-06-26 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | KMITL, Thailand |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | EMC Joint Workshop, 2015, Bangkok |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2015-06-EMCJ-EMC-MAG |
| Language | English |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Influence of Incident Electric Field to SAR in a Human Body Close to a Wireless Power Transfer System in MHz-Band Frequency |
| Sub Title (in English) | |
| Keyword(1) | Wireless power transfer |
| Keyword(2) | exposure assessment |
| Keyword(3) | specific absorption rate |
| Keyword(4) | FDTD method |
| Keyword(5) | impedance method |
| Keyword(6) | method of moments |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Jerdvisanop Chakarothai |
| 1st Author's Affiliation | National Institute of Information and Communications Technology (NICT) |
| 2nd Author's Name | Takuya Iwamoto |
| 2nd Author's Affiliation | Tokyo University of Agriculture and Technology (TUAT) |
| 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 | 2015-06-26 14:55:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2015-29 |
| Volume (vol) | vol.115 |
| Number (no) | no.114 |
| Page | pp.67-72 |
| #Pages | 6 |
| Date of Issue | 2015-06-18 (EMCJ) |
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