Transporter stops moving during simulation

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JHU asked Jul 23, '23 JHU commented Jul 24, '23

Transporter stops moving during simulation

Hi all FlexSim experts,

I am working on a storage location assignment model. I have encountered a problem during my model simulation. Transporter 1 and transporter 3 should have travelled to all 401 storage locations since I have input 401 items all in different storage locations in quene by GlobalTable. However, transporter 3 stops at the row 362 in GlobalTable every time I simulated the model (As shown in the picture below). And there is no error message popped up during the simulation. I tried checking the rack, level and bay number I input in GlobalTable and the connections between dispatchers, quenes, nodes and transporters. I still cannot figure out where the problem is in my model.

Could anyone please kindly help me with this? I would attached my model in the attachment for reference. Please help, Thanks you!

Revised_Model_nodes.fsm

Best regards,

JHU

Software Version:

FlexSim 23.1.0

global table transporter dispatcher

1690107475818.png (242.0 KiB)

revised-model-nodes.fsm (238.3 KiB)

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Attachments: Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.

Answer 1 · 2023-07-24T07:05:49Z

Felix Möhlmann answered Jul 24, '23 JHU commented Jul 24, '23

Queue1 is connected to Rack11 and 12 as an input instead of an output.

1690182323358.png (178.6 KiB)

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Attachments: Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.

JHU commented · Jul 24, 2023 at 07:34 AM

@Felix Möhlmann Hi Felix Thanks for your reply. I have fixed the connection as you pointed out, but the transporter 3 still stops at Row 362 (as shown in the pic below). I tried changing the rack number in arrival table of Source1. The transporter 3 still stops at Row 362, which is strange. Do you have any ideas may causing this issue?

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1690183734001.png (280.9 KiB)

1690184044763.png (6.0 KiB)

Felix Möhlmann JHU commented · Jul 24, 2023 at 07:42 AM

When I remove the input connection and replace it with an output connection, the table is filled up to row 401 in all columns.

revised-model-nodes_1.fsm

It's hard to see in the screenshot, but maybe you forgot to add Queue1 as an output to the mentioned racks?

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1690184460079.png (18.0 KiB)

revised-model-nodes-1.fsm (238.4 KiB)

JHU Felix Möhlmann commented · Jul 24, 2023 at 07:59 AM

@Felix Möhlmann I downloaded the model you attached and it works, but not on mine. Thank you tho! I have another question about my model. Should I ask you here or create an new post?

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