Transporter does not follow the logic of the process flow?

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question

Martin B6 asked Feb 03 2021 at 9:42 AM Martin B6 commented Feb 07 2021 at 5:03 PM

Transporter does not follow the logic of the process flow?

Hi,

why does the transporter not start working at time 36? I have tried to adapt the transport from the outbound warehouse to the assembly according to the same logic in the process flow as in the outbound and have also added a delay, which is the transport time. However, the model works only conditionally: For example, in the time 35 the worker stores a total of 4 complete orders in the outbound and the transporter transports one order to the assembly. This fits because in time 35 only one order should be transported according to the order list (TransportToAssembly). The other 3 orders in the outbound should be transported to the assembly on day 36 but the transporter does not start working? Can someone help me with this problem?

Thank you very much!!

attached the model: Entwurf_10_9.fsm

Software Version:

FlexSim 20.2.3

processflow flexsim 20.2.3 transporter global list

flexsim-2020-for-education-commercial-use-prohibit.png (228.9 KiB)

entwurf-10-9.fsm (1.9 MiB)

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Answer 1 · 2021-02-03T11:41:40Z

Ralf Gruber answered Feb 03 2021 at 11:41 AM Martin B6 commented Feb 07 2021 at 5:03 PM

Martin,

from what I can see in the model, the token stuck in "Pull from StoredOrderItems" is waiting for a second item (token label "NumItems" is 2) of the same type (token label "OrderID" reflecting the list´s partition to pull from is 441080). But a second one to pull does not get on the list "AssemblyItems". The transport will not be initiated before the token finds the second item to pull and continues in the flow. Does that help?

· 3

Martin B6 commented · Feb 04 2021 at 8:42 AM

Hello Ralf,

thank you very much for your answer. I have tried to integrate your suggestions into the model. I understood where the problem is, but unfortunately I have difficulties in the implementation. Can you explain this to me again in more detail? How can the second item from OrderID 441080 be stored on the list (AssemblyItems)? Thanks a lot!

Martin

0 ·

Ralf Gruber ♦ Martin B6 commented · Feb 04 2021 at 10:14 AM

Martin,

it can´t....that is a misconcept in the model:

1. You create one pallet containing all items of the order and push that one pallet on the list.

2. But then you try to pull as many entries from the list, as the order contains items.

Order 441080 is the first including more than one item, therefore the first were the model gets stuck. Change "Request Number" and "Require Number" both to one, the number of pallets for the order, and you should be fine.

1 ·

numitems.png (43.1 KiB)

Martin B6 Ralf Gruber ♦ commented · Feb 07 2021 at 5:03 PM

Hi Ralf,

thanks for your support. I have made the changes you suggested and the model works great.

Martin

0 ·

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