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Paper Abstract and Keywords
Presentation 2008-01-29 14:20
Finding Legal Firing Sequences Permitting Excess Firing of Transitions in Petri Nets
Koki Katayama, Satoshi Taoka, Toshimasa Watanabe (Hiroshima Univ.) CST2007-54
Abstract (in Japanese) (See Japanese page) 
(in English) In this paper, we propose a heuristic algorithm LB-1 for the Lower-Bounded Firing Sequence problem of Petri nets (LBFS for short). The problem is extended from the Maximum Legal Firing Sequence problem of Petri nets (MAX-LFS for short) so that it may be applied to the scheduling problems.
First, for MAX-LFS, we propose a new selection rule of transitions to be fired so that local maxima may be avoided in searching firing sequences. Let FEIDEQ+ denote the algorithm in which this new rule is incorporated. Experiment results oftained by applying FEIDEQ+ to 900 test problems show that its sharpness of solutions is about 5% higher than that of FEIDEQ is known to have the heighest capability among the existing ones. Secondly, for LBFS, we propose a new algorithm LB-1 utilizing an improved version of FEIDEQ+, and evaluates it through computating experiment.
Keyword (in Japanese) (See Japanese page) 
(in English) Petri nets / legal firing sequence problems / Excess Firing / heuristic algorithms / / / /  
Reference Info. IEICE Tech. Rep., vol. 107, Jan. 2008.
Paper #  
Date of Issue 2008-01-22 (CST) 
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 CST2007-54

Conference Information
Committee MSS  
Conference Date 2008-01-28 - 2008-01-29 
Place (in Japanese) (See Japanese page) 
Place (in English) The University of Tokushima 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Concurrent Systems, CST Solution Competition 2007 
Paper Information
Registration To MSS 
Conference Code 2008-01-CST 
Language English (Japanese title is available) 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Finding Legal Firing Sequences Permitting Excess Firing of Transitions in Petri Nets 
Sub Title (in English)  
Keyword(1) Petri nets  
Keyword(2) legal firing sequence problems  
Keyword(3) Excess Firing  
Keyword(4) heuristic algorithms  
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Keyword(6)  
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1st Author's Name Koki Katayama  
1st Author's Affiliation Hiroshima University (Hiroshima Univ.)
2nd Author's Name Satoshi Taoka  
2nd Author's Affiliation Hiroshima University (Hiroshima Univ.)
3rd Author's Name Toshimasa Watanabe  
3rd Author's Affiliation Hiroshima University (Hiroshima Univ.)
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Speaker Author-1 
Date Time 2008-01-29 14:20:00 
Presentation Time 25 minutes 
Registration for MSS 
Paper # CST2007-54 
Volume (vol) vol.107 
Number (no) no.472 
Page pp.47-52 
#Pages 6 
Date of Issue 2008-01-22 (CST) 

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