question

Armand J avatar image
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Armand J asked Armand J edited

Round Robin if available not working with batch


I have a model with 2 queues on which I can have 12 totes of different products (delivered on batch from a washing process)

The next process is another batch process of 4 totes. Before this process I place a queue to create my batch of 4. Not possible to mix the tote into this process.


The pull strategy "Longest Waiting" is working fine, making a FIFO between my 2 queues.


But I want to be able to test another method "Round Robin if available" but this is not working as I want, the operator will not respect the batch of 4 totes from the same queue but will go the other queue if material is there...

Note: I tried Open/Close ports but the operator is not considering it.


How can I do Round Robin if available for a full batch of 4?

Can the program of the round robin function be modified to round robin each 4 times ?


FlexSim 21.0.0
flexsim 21.0.0round robinoperators assignmentbatch transfer
1611739267597.png (481.7 KiB)
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Jason Lightfoot avatar image Jason Lightfoot ♦ commented ·

Are you using transport? Can you post your model here? Make it private if necessary.

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Armand J avatar image Armand J commented ·

@jason.lightfoot

Here a small model, I want operator to take from the queue a full batch of 4 boxes in alternance OR if not available to take from previous the queue

So, doing a "Round Robin if available" each 4 trays.

Round Robin vs Longest waiting.fsm

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round-robin-vs-longest-waiting.fsm (41.6 KiB)

1 Answer

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Allister Wilson avatar image
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Allister Wilson answered Armand J edited

We solved Armand's problem in an online meeting.

Armand, please accept this answer or comment back if you need more help on this matter.

For anyone having a similar issue, example model attached.


round-robin-pull-batch.fsm (48.5 KiB)
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Armand J avatar image Armand J commented ·

Thanks @Allister Wilson for the support, solution integrated to my model.

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