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Paper Abstract and Keywords
Presentation 2008-07-24 16:30
Study of the battery management for the spacecraft
Minoru Iwasa, Go Segami, Yuuta Horikawa, Shinichiro Takayama, Hiroaki Kusawake, Koichi Kibe (JAXA) EE2008-20
Abstract (in Japanese) (See Japanese page) 
(in English) For the increase of the ratio of mission equipment at the spacecraft, a small-size and lightweight BUS system (electrical power subsystem, thermal control subsystem, attitude control subsystem, etc.) is demanded. Components of the electrical power subsystem (Li-Ion battery, power control unit, solar panel, etc.) are developed for the reduction in size and weight. Since Li-Ion battery have high-energy density (twice that of conventional alkaline batteries such as Ni-Cd, Ni-MH and Ni-H2), it is expected Li-Ion battery will effect the smaller and lighter electrical power subsystem the most. But Li-Ion battery is poor at the over-charge and over-discharge. So we must consider about the safety when we use them and we need the development of the protection circuit in the parallel to the development of the Li-ion battery.
In this paper we describe the effectiveness of the balance circuit with the battery lifetime tests and software-controlled battery management system.
Keyword (in Japanese) (See Japanese page) 
(in English) Li-Ion battery / balance circuit / protection circuit / software control / spacecraft / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 150, EE2008-20, pp. 49-54, July 2008.
Paper # EE2008-20 
Date of Issue 2008-07-17 (EE) 
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 EE2008-20

Conference Information
Committee EE  
Conference Date 2008-07-24 - 2008-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To EE 
Conference Code 2008-07-EE 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Study of the battery management for the spacecraft 
Sub Title (in English)  
Keyword(1) Li-Ion battery  
Keyword(2) balance circuit  
Keyword(3) protection circuit  
Keyword(4) software control  
Keyword(5) spacecraft  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Minoru Iwasa  
1st Author's Affiliation JAXA (JAXA)
2nd Author's Name Go Segami  
2nd Author's Affiliation JAXA (JAXA)
3rd Author's Name Yuuta Horikawa  
3rd Author's Affiliation JAXA (JAXA)
4th Author's Name Shinichiro Takayama  
4th Author's Affiliation JAXA (JAXA)
5th Author's Name Hiroaki Kusawake  
5th Author's Affiliation JAXA (JAXA)
6th Author's Name Koichi Kibe  
6th Author's Affiliation JAXA (JAXA)
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Speaker Author-1 
Date Time 2008-07-24 16:30:00 
Presentation Time 25 minutes 
Registration for EE 
Paper # EE2008-20 
Volume (vol) vol.108 
Number (no) no.150 
Page pp.49-54 
#Pages 6 
Date of Issue 2008-07-17 (EE) 

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