question

sheikh avatar image
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sheikh asked Jason Lightfoot edited

Operator rotation not working properly

I am having an issue with operator rotation. In the attached model, I want the staff operator to look at the slapping table 1 while working and I have also added the trigger to do so.
At the start, it does so but after a while, the operator starts standing in a random direction while working on the station. Why is that? Can somebody advise the solution?

Sample.fsm

FlexSim 22.2.0
operatos
sample.fsm (13.5 MiB)
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1 Answer

Jason Lightfoot avatar image
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Jason Lightfoot answered Jason Lightfoot edited

You only set the rotation when the item enters. If the processor has to wait for the operator to do something else (which The toppings table does at 709.5 secs) then when the operator does arrive, nothing is entering the table at that time - so the rotation trigger is not set.

Try using a different trigger. Take a look at the state of the table when this happens for clues on which to use.

(We encourage students to look through the documentation to find and try solutions for themselves, rather than supply the answers directly - but if you can't find the solution come back and tell us, for more guidance)

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sheikh avatar image sheikh commented ·
At first, I didn't want to use that trigger at all. I was looking for a trigger like "On process start" but I couldn't find any.


Can you please recommend a trigger that fires when the operator reaches the table to process the item?

Thanks

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Jason Lightfoot avatar image Jason Lightfoot ♦♦ sheikh commented ·

Yes a process Start trigger is missing and would be good. You may be able to implement it when the process time is sampled by editing that field as code, but I would try onResume for when the processor is stopped in state 'waiting for operator' and the operator arrives for the process to start.

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