Building a PN Model: Example Task Ordering

Two solutions :

tasks are associated with the places or with the transitions

Interpretation:

A transition firing represent the

execution of a task. The input

of a transition are the conditions

to execute the task.

Interpretation:

A transition firing represents the

beginning or the end of a task

execution. A marked place

represents a task in execution

Building a Petri net Model

Example: Task Ordering

Task 1

Task 2

Task 3

Task 2

Task 3

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