question

Glenson G avatar image
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Glenson G asked Glenson G edited

AGV Simulation Issue: Navigation Error

Hi there,

The purpose of my model is to see how many elevators are sufficient for the certain number of volume of AGV trips. However, I would encounter this error after running for awhile.

1664964216084.png


I would appreciate any advice on how to run this model smoothly (be able to deliver to all floors and return to the parkpoints when job is done)

Thank you very much!
liftusage-1.fsm

FlexSim 18.2.3
agvagvpathagvsagv elevator
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liftusage-1.fsm (874.0 KiB)
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1 Answer

Felix Möhlmann avatar image
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Felix Möhlmann answered Glenson G commented

Building an AGV network can sometimes be finicky. In the case above the cause is that the connecting path between level 8 and the base level is only a one-way path. I also noticed that some levels are missing a connecting path that allows the AGV to turn back onto the loop after it has dropped off its cargo.

1664968553953.png

Generally, the only thing you can do with that error message is check where the AGV and its destination CP are located and search the path between them for any errors/missing links.

One thing that might save you some headache could be to only use a single CP as park point for now (increase max. allocations so that all AGVs can occupy it at once). All of the parking paths connecting to a single point on the main loop is prone to errors.


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