Elementary Siphons of Petri Nets and Deadlock Control in FMS
نویسنده
چکیده
For responsiveness, in the Petri nets theory framework deadlock prevention policies based elementary siphons control are often utilized to deal with deadlocks caused by the sharing of resources in flexible manufacturing system (FMS) which is developing the theory of efficient strict minimal siphons of an S3PR. Analyzer of Petri net models and their P-invariant analysis, and deadlock control are presented as tools for modelling, efficiency structure analysis, control, and investigation of the FMSs when different policies can be implemented for the deadlock prevention. We are to show an effective deadlock prevention policy of a special class of Petri nets namely elementary siphons. As well, both structural analysis and reachability graph analysis and simulation are used for analysis and control of Petri nets. This work is successfully applied Petri nets to deadlock analysis using the concept of elementary siphons, for design of supervisors of some supervisory control problems of FMS and simulation of Petri net tool with MATLAB.
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Comparison of Two Deadlock Prevention Methods for Different-size Flexible Manufacturing Systems
The competition for limited resources can produce deadlocks in flexible manufacturing systems (FMS). Petri nets are an effective way to model, analyze, and control deadlocks in FMS. Our previous work proposes elementary siphons as an important concept in investigating the deadlock problems in Petri nets. This paper presents an elementary siphon-based deadlock prevention method. It then performs...
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