AGVs loading with bad references to items

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question

Michael Kramer asked Jun 27 2016 at 3:14 PM anthony.johnson edited Jun 28 2016 at 5:11 PM

AGVs loading with bad references to items

In my model I didn't realize that two AGVs are dispatched to the same pickup and the dispatching is messed up. The second AGV to arrive wants to pickup a non-existent item. Would you be able to help fix that? Sorry, my process flow expertise is on a very novice level right now.

(Another question related to this model found here).

Software Version:

FlexSim 16.1.0

agv process flow load pickup dispatch

923-agv-index-and-load-jn1.fsm (5.7 MiB)

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Answer 1 · 2016-06-27T15:51:30Z

Sam Stubbs answered Jun 27 2016 at 3:51 PM anthony.johnson edited Jun 28 2016 at 5:09 PM

So I fixed your logic on the dispatching of the trucks. What had happened was that you have two process flow tokens representing the two items being produced. But because there are two, when they hit the "Acquire" activity, both are calling to dispatch the trucks, so it sends two trucks. One solution is to use a "Batch" activity. This can combine any number of tokens into one token. So I "Batched" The two items together.

Additionally I noticed that your "Change Visual" activity for the AGV was only referencing one specific AGV, so I changed it to look for whichever AGV was currently loading by referencing the Resource label.

961-923-agv-index-and-load-jn1.fsm

added-batch.png (10.7 KiB)

961-923-agv-index-and-load-jn1.fsm (5.7 MiB)

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