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Old 09-28-2011
Kris Geisberger Kris Geisberger is offline
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Default Critical Path Library

This starter library can be used to simulate situations where multiple activities (tasks/operations) requiring various operators occur at a single place of work. One example is a large assembly operation.

Instead of specifying a process time, you can create a work map that looks like a PERT network chart to define the number of tasks/operations/activities and their predecessor and successor relationships. Then you assign each activity to either a standard Dispatcher or TaskExecuter to perform the work. All activities must be complete for the flowitem to be allowed to leave the WorkCenter. The critical path of the activities will be evaluated every time an item is completed and the activities will be colored accordingly.

Below is a link to a video that explains how to use the library:
http://www.screencast.com/t/fdff827kG

The basics:
1. connect WorkCenter as you would a standard Processor in your model
2. S-connect WorkCenter to a WorkDispatcher
3. Drag-drop Activity objects onto WorkDispatcher (which is a container)
4. A-connect Activity objects predecessors to successors
5. Specify activity duration and number of operators within Activity properties window
6. Connect each Activity center port 1 to a standard Dispatcher or Operator
7. Reset and Run

The library has plenty of opportunity to grow (holes exist), but I felt it could be useful for some users at this point.
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The Following 6 Users Say Thank You to Kris Geisberger For This Useful Post:
Carsten Seehafer (09-28-2011), Clement Schaller (09-29-2011), Lars-Olof Leven (09-29-2011), RalfGruber (09-29-2011), Sebastian Hemmann (09-29-2011), syseo (09-29-2011)
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activities, assembly, constraints, critical path, operations, pert, predecessor, successor

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