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Paper Abstract and Keywords
Presentation 2025-05-22 11:05
Reducing hub port control idle time using callback functions in power combining hub network control
Takaya Yoneyama (KAIT), Ryota Kokubu (AGU), Haruhisa Ichikawa (UEC), Yoshito Tobe (AGU), Yuusuke Kawakita (KAIT) SeMI2025-10
Abstract (in Japanese) (See Japanese page) 
(in English) In Tokyo, the promotion of renewable energy is underway, exemplified by the mandatory installation of solar panels on certain new buildings starting in April 2025. Securing large-capacity storage batteries is crucial for this endeavor. As an alternative, the authors are investigating a DC power network that interconnects small-scale batteries via developing hubs. This approach aims to expand the virtual storage capacity and enhance the usability of batteries. Previous systems required individual operations for port configuration with empirically determined safe time margins, leading to prolonged installation times. Furthermore, to maintain the power balance of each hub within the network, parallel control of hubs and intra-hub ports was restricted, resulting in significantly slow control. This paper proposes a method that maximizes parallel port control by employing an interrupt-driven control scheme for port events. It also presents preliminary data for evaluating the effectiveness of this approach.
Keyword (in Japanese) (See Japanese page) 
(in English) Renewable energy / USB Power Delivery / Battery / IoT / Virtual grid / VG-Hub / /  
Reference Info. IEICE Tech. Rep., vol. 125, no. 29, SeMI2025-10, pp. 54-57, May 2025.
Paper # SeMI2025-10 
Date of Issue 2025-05-14 (SeMI) 
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)
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Conference Information
Committee SeMI IPSJ-MBL IPSJ-ITS IPSJ-DPS  
Conference Date 2025-05-21 - 2025-05-23 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To SeMI 
Conference Code 2025-05-SeMI-MBL-ITS-DPS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Reducing hub port control idle time using callback functions in power combining hub network control 
Sub Title (in English)  
Keyword(1) Renewable energy  
Keyword(2) USB Power Delivery  
Keyword(3) Battery  
Keyword(4) IoT  
Keyword(5) Virtual grid  
Keyword(6) VG-Hub  
Keyword(7)  
Keyword(8)  
1st Author's Name Takaya Yoneyama  
1st Author's Affiliation Kanagawa Institute of Technology (KAIT)
2nd Author's Name Ryota Kokubu  
2nd Author's Affiliation Aoyama Gakuin University (AGU)
3rd Author's Name Haruhisa Ichikawa  
3rd Author's Affiliation The University of Electro-Communications (UEC)
4th Author's Name Yoshito Tobe  
4th Author's Affiliation Aoyama Gakuin University (AGU)
5th Author's Name Yuusuke Kawakita  
5th Author's Affiliation Kanagawa Institute of Technology (KAIT)
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Speaker Author-1 
Date Time 2025-05-22 11:05:00 
Presentation Time 25 minutes 
Registration for SeMI 
Paper # SeMI2025-10 
Volume (vol) vol.125 
Number (no) no.29 
Page pp.54-57 
#Pages 4 
Date of Issue 2025-05-14 (SeMI) 

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