how to solve a synchronize problem

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djami-zinedine asked Mar 27, '24 Jason Lightfoot commented Mar 29, '24

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

Software Version:

FlexSim 24.0.0

transporter proces flow tokens release synchronize

1711544217694.png (37.3 KiB)

simple-example-probleme-v2-synchronize-probleme.fsm (116.8 KiB)

Answer 1 · 2024-03-28T06:51:29Z

Arun Kr answered Mar 28, '24 Jason Lightfoot commented Mar 29, '24

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 commented · Mar 28 at 08:01 AM

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 ♦ djami-zinedine commented · Mar 29 at 04:34 PM

Try using a dispatcher and remove the resources - use task sequences instead.

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