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Paper Abstract and Keywords
Presentation 2025-07-17 13:10
Three-Dimensional Localization of Impulsive Magnetic Wave Sources Using Orthogonal Triaxial Loop Antennas and a Robotic Arm
Satoshi Matsuoka, Atsuhiro Nishikata (Science Tokyo) EMCJ2025-29
Abstract (in Japanese) (See Japanese page) 
(in English) We investigate a method for estimating the location of impulsive magnetic noise sources using a simple measurement system, targeting electromagnetic emissions generated by digital circuits, switching power supplies, and electrostatic discharges. Our research group has previously examined two approaches: one utilizing two loop antenna probes mounted on a turntable, and the other employing two loop antenna probes mounted on a robotic arm. In this paper, we extend the latter approach by using three shielded loop antennas arranged orthogonally with respect to each other, mounted on a six-degree-of-freedom robotic arm, in order to reduce missed detections of impulsive noise and to estimate both the source position and orientation. First, calibration of the robotic arm's posture was performed using a laser rangefinder. Next, impulsive noise signals are to be measured simultaneously across three channels while varying the arm's posture. From the collected voltage ratios, the location and orientation of the magnetic dipole noise source will be estimated.
Keyword (in Japanese) (See Japanese page) 
(in English) Source localization / Magnetic dipole / Impulse noise / Maximum likelihood estimation / Robot arm / / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 117, EMCJ2025-29, pp. 25-30, July 2025.
Paper # EMCJ2025-29 
Date of Issue 2025-07-10 (EMCJ) 
ISSN Online edition: ISSN 2432-6380
Copyright
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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)
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Conference Information
Committee EMCJ  
Conference Date 2025-07-17 - 2025-07-17 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EMCJ 
Conference Code 2025-07-EMCJ 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Three-Dimensional Localization of Impulsive Magnetic Wave Sources Using Orthogonal Triaxial Loop Antennas and a Robotic Arm 
Sub Title (in English)  
Keyword(1) Source localization  
Keyword(2) Magnetic dipole  
Keyword(3) Impulse noise  
Keyword(4) Maximum likelihood estimation  
Keyword(5) Robot arm  
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1st Author's Name Satoshi Matsuoka  
1st Author's Affiliation Institute of Science Tokyo (Science Tokyo)
2nd Author's Name Atsuhiro Nishikata  
2nd Author's Affiliation Institute of Science Tokyo (Science Tokyo)
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Speaker Author-1 
Date Time 2025-07-17 13:10:00 
Presentation Time 25 minutes 
Registration for EMCJ 
Paper # EMCJ2025-29 
Volume (vol) vol.125 
Number (no) no.117 
Page pp.25-30 
#Pages 6 
Date of Issue 2025-07-10 (EMCJ) 

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