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Paper Abstract and Keywords
Presentation 2007-10-19 13:25
Steady state probability of a priority AND gate considering the restoration of input events
Shinya Ozeki, Tetsushi Yuge, Nobuyuki Tamura, Shigeru Yanagi (N.D.A) R2007-38
Abstract (in Japanese) (See Japanese page) 
(in English) A priority AND gate is a representative logic gate of dynamic fault trees. In this report, we analyze the steady state probability of a priority AND gate considering the restoration of input events, and propose a general formula that represents steady state probabilities of all the states a priority AND gate can take. This general formula is derived using Markov analysis. We also present a general formula that represents all the steady state probabilities of an AND gate considering the restoration of input events. We show, through the numerical examples, that the top event probability of a fault tree can be calculated not by the conventional Markov method but by using the presented formulas.
Keyword (in Japanese) (See Japanese page) 
(in English) dynamic fault tree / priority AND gate / AND gate / Markov analysis / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 270, R2007-38, pp. 7-12, Oct. 2007.
Paper # R2007-38 
Date of Issue 2007-10-12 (R) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
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 R  
Conference Date 2007-10-19 - 2007-10-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Kyushu University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Reliability, etc. 
Paper Information
Registration To R 
Conference Code 2007-10-R 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Steady state probability of a priority AND gate considering the restoration of input events 
Sub Title (in English)  
Keyword(1) dynamic fault tree  
Keyword(2) priority AND gate  
Keyword(3) AND gate  
Keyword(4) Markov analysis  
1st Author's Name Shinya Ozeki  
1st Author's Affiliation National Defense Academy (N.D.A)
2nd Author's Name Tetsushi Yuge  
2nd Author's Affiliation National Defense Academy (N.D.A)
3rd Author's Name Nobuyuki Tamura  
3rd Author's Affiliation National Defense Academy (N.D.A)
4th Author's Name Shigeru Yanagi  
4th Author's Affiliation National Defense Academy (N.D.A)
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Speaker Author-1 
Date Time 2007-10-19 13:25:00 
Presentation Time 25 minutes 
Registration for R 
Paper # R2007-38 
Volume (vol) vol.107 
Number (no) no.270 
Page pp.7-12 
Date of Issue 2007-10-12 (R) 

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