Representational Power Of A Petri Nets-Sequential Execution Assignment Help

Basic Introduction To PETRI NETS - Representational Power Of A Petri Nets-Sequential Execution

Representational Power Of A Petri Nets

Typical manufacturing system's characteristics are as given:

(a) Concurrency,

(b) Decision making,

(c) Synchronization, and

(d) Priorities.

These can be easily modelled employing the graphical top to down approach of Petri net. At this time consider the diagrams shown in following figures (a) to (h).

Definition 8: Sequential Execution

In a Petri net the top to down approach is followed that is named as also as the sequential execution.

                                                                    1094_Representational Power Of A Petri Nets.png

                                       Figure a: Sequential Execution of the Petri Net

The above Figure (a) represents the sequential execution power of the Petri net. Obviously from the above figure, transition t2 cannot be fired before transition t1.

Concurrency Conflict
Confusion Inhibitor Arcs
Merging Priorities
Synchronization

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