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政大典藏 > College of Commerce > Department of MIS > Periodical Articles > Item 140.119/72846

Please use this identifier to cite or link to this item: https://nccur.lib.nccu.edu.tw/handle/140.119/72846

Title:	An Incremental Approach to Extracting Minimal Bad Siphons
Authors:	趙玉 Chao, Daniel Yuh
Contributors:	資管系
Keywords:	Petri nets;siphons;traps;FMS;algorithm;liveness;deadlock
Date:	2007-01
Issue Date:	2015-01-12 15:36:35 (UTC+8)
Abstract:	Finding all minimal bad siphons is essential for deadlock control. However, the number of siphons grows exponentially with the size of the system. Deadlock occurs due to inappropriate resource sharing. Hence most research focused on the problem of minimal siphon extraction covering a set of places representing resources — an NP-Complete problem for arbitrary Petri Nets. We develop the theory for efficient extraction of minimal bad siphons for S3PR (systems of simple sequential processes) proposed by Ezpeletaet al. The number of minimal bad siphons that needs to be searched is linear to the number of resources. The rest can be found by adding and deleting common sets of places from existing ones significantly reducing the search time. It is very interesting that both nets and siphons can be synthesized by first locating a circuit followed by adding handles.
Relation:	Journal of Information Science and Engineering,23(1),203-214
Data Type:	article
Appears in Collections:	[Department of MIS] Periodical Articles

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