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| Presentation | 2019-07-18 14:25 A study on application of electromagnetic interference source estimation method to power electronics circuit by noise source amplitude modulation and correlation analysis Wataru Kawashima, Kengo Iokibe, Yoshitaka Toyota (Okayama Univ.)  EMCJ2019-25 |
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| Abstract | (in Japanese) | (See Japanese page) |
| (in English) | We propose a noise source estimation method using noise source amplitude modulation and correlation analysis (NSM-CA) to identify electromagnetic interference source for making EMI measures more efficient. In previous verification, if the target is a printed circuit board that has multiple digital ICs, it was possible to estimate ICs dominantly contributing to emission by using the proposed method. In this paper, we applied the method to a power electronics circuit and verified that it would determine dominant noise source MOSFETs. We tested two techniques to implement the noise source amplitude modulation to power electronics circuits on a Spice simulator; one uses the duty ratio and the other the switching frequency. As a result, the modulation technique using the duty ratio produced rather poor estimation of the noise source contributions, because of small modulation degree resulted accurate estimations. The NSM-CA method, thus, would estimate the contributions of noise sources to EMI of power electronics circuits by using an implementation technique of noise source amplitude modulation that produces large modulation degrees. | |
| Keyword | (in Japanese) | (See Japanese page) |
| (in English) | EMI / noise source amplitude modulation / correlation analysis / noise source estimation / power electronics circuits / / / | |
| Reference Info. | IEICE Tech. Rep., vol. 119, no. 124, EMCJ2019-25, pp. 41-46, July 2019. | |
| Paper # | EMCJ2019-25 | |
| Date of Issue | 2019-07-11 (EMCJ) | |
| 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 | EMCJ2019-25 |
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| Conference Information | |
| Committee | EMCJ |
| Conference Date | 2019-07-18 - 2019-07-18 |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Kikai-Shinko-Kaikan Bldg. |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | Young Scientist Meeting |
| Paper Information | |
| Registration To | EMCJ |
| Conference Code | 2019-07-EMCJ |
| Language | Japanese |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A study on application of electromagnetic interference source estimation method to power electronics circuit by noise source amplitude modulation and correlation analysis |
| Sub Title (in English) | |
| Keyword(1) | EMI |
| Keyword(2) | noise source amplitude modulation |
| Keyword(3) | correlation analysis |
| Keyword(4) | noise source estimation |
| Keyword(5) | power electronics circuits |
| Keyword(6) | |
| Keyword(7) | |
| Keyword(8) | |
| 1st Author's Name | Wataru Kawashima |
| 1st Author's Affiliation | Okayama University (Okayama Univ.) |
| 2nd Author's Name | Kengo Iokibe |
| 2nd Author's Affiliation | Okayama University (Okayama Univ.) |
| 3rd Author's Name | Yoshitaka Toyota |
| 3rd Author's Affiliation | Okayama University (Okayama Univ.) |
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| Speaker | Author-1 |
| Date Time | 2019-07-18 14:25:00 |
| Presentation Time | 25 minutes |
| Registration for | EMCJ |
| Paper # | EMCJ2019-25 |
| Volume (vol) | vol.119 |
| Number (no) | no.124 |
| Page | pp.41-46 |
| #Pages | 6 |
| Date of Issue | 2019-07-11 (EMCJ) |
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