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djami-zinedine avatar image
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djami-zinedine asked Jason Lightfoot commented

how to solve a synchronize problem

hello every one hope you are doing well
i have encountred a new probleme in a new model, the main problem is in process flow, there is two activities for two different operators, as it is shown in the image, for these activities a made a token and there is a condition at the end to synchronize both activities(tokens) but for some reason, the process flow won't allow it
the main purpose of the transporter is to make a full cycle with the pallet and to stop in certain points

as you can see in the execution there is a error message that i couldn't solve, which i think is the main problem in my model, if any one have an idea how to solve it i will be much gratfull

thank you in advance
simple_example_probleme_V2_synchronize_probleme.fsm
1711544217694.png

FlexSim 24.0.0
transporterproces flowtokensreleasesynchronize
1711544217694.png (37.3 KiB)
simple-example-probleme-v2-synchronize-probleme.fsm (116.8 KiB)
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1 Answer

Arun Kr avatar image
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Arun Kr answered Jason Lightfoot commented

The stopobject() activity is throwing the exception. Stop the forklift using the closenodeedge() command and start it using opennodeedge(). When you try to load-unload on a stopped object the exception is thrown. Here's a modified model.simple-example-probleme-v2-synchronize-probleme_1.fsm




simple-example-probleme-v2-synchronize-probleme-1.fsm (113.9 KiB)
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djami-zinedine avatar image djami-zinedine commented ·
thank you very much arun, i had a suspection about that stopobject() custom code, but i didn't know any other option,

perhaps you can help me in this particular modification that i have to do to the model, its just that there must be 4 forklift that do the entire cycle, in which each one will carry one pallet,
do you advise me to make a dispatcher for all the 4 forklifts or i should only group them and use the group as ressource in the process flow
thank you in advance

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Jason Lightfoot avatar image Jason Lightfoot ♦♦ djami-zinedine commented ·
Try using a dispatcher and remove the resources - use task sequences instead.
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