NDLI: An efficient deadlock avoidance control policy in FMS using structural analysis of Petri nets

Content Provider	IEEE Xplore Digital Library
Author	Barkaoui, K. Abdallah, B.
Copyright Year	1994
Description	Author affiliation: Lab. CEDRIC-CNAM, Paris, France (Barkaoui, K.)
Abstract	The aim of this paper is to cope with deadlocks occurring in FMS where different sequential processes share many distinct resources. The Petri net model of the class of FMS considered is a bounded asymmetric choice net called PAC net. In this paper, we propose a deadlock avoidance control policy based on the structural analysis of Petri nets. Our method first adds the "local control places" to ensure that the minimal deadlocks which are not trapped remain always marked. We then prove that the restriction of the augmented net's evolution to safe markings (states) is sufficient to avoid any global deadlock. The safety property is defined in terms of a marking condition on the "local control places" and the principle of the method "never grant a resource that takes the system from a safe to an unsafe state" is easy to implement.
Starting Page	525
Ending Page	530
File Size	573601
Page Count	6
File Format	PDF
ISBN	0780321294
DOI	10.1109/ICSMC.1994.399892
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1994-10-02
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	System recovery Flexible manufacturing systems Petri nets Resource management Automatic control Safety Control systems Robots Sufficient conditions Throughput
Content Type	Text
Resource Type	Article

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