Process Flow: Round Robin Destination

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King-Ki F asked May 5, '20 Cole Shirley answered Jul 23, '21

Process Flow: Round Robin Destination

Hello,

In my process flow, I want to send orders to stations in a round robin method such that the first order goes to station 1, second order to station 2, third order to station 1, fourth order to station 2...etc. Each station contains a operator and specific resources to carry out the process

Station Picker goes to grab empty tote
Station Picker picks item from an inventory tote on a conveyor and places item into empty Tote
Station Picker places tote onto a conveyor

Since the Station Picker, Empty Tote, Inventory Tote, and conveyor is different in each station. Do I have to store all that information specifically on the token? or is there a better way of identifying the individual components of a station?

Software Version:

FlexSim 20.1.1

flexsim 20.1.1

· 5

tannerp commented · May 06, 2020 at 02:16 PM

You can set up an unload activity for each of the stations and then use a Decide activity to send the tokens in a round robin fashion to each of those unload activities. That's probably how I would do it. Otherwise, you could set up labels that determine where an item should be taken and then just assign those labels in a cyclical manner.

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round-robin-pf.png (6.9 KiB)

tannerp commented · May 06, 2020 at 02:16 PM

@King-Ki F If you have a model or an example of what you're trying to do that you can upload, we can help find specific logic that will work.

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King-Ki F tannerp commented · May 06, 2020 at 04:28 PM

I was reviewing Tutorial 4.2 to see if I could treat my picking stations like fixed resources and define the process flow once, but I do not think I can because the amount of time a order sits at each station will vary and I'm not sure how to pass that information to a process flow developed in Fixed Resource.

I've posted my simulation below and I think what you're saying is to create a Decide activity within my Order Creation flow and then everywhere else in the process flow replace the Destination with a token label that specifies the exact fixed resources to goto?

Round Robin Simulation.fsm

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round-robin-simulation.fsm (308.5 KiB)

tannerp King-Ki F commented · May 06, 2020 at 06:01 PM

I guess I misunderstood your question. I think you can still use labels and/or Decide activities, but I need to figure out where your logic is for sending orders. Could you specify where in the Process Flow you need the orders to be sent to different stations? And could you point out where each of the stations are in PF or 3D?

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Ben Wilson ♦♦ commented · Aug 31, 2020 at 04:46 PM

Hi @king_ki.f,

We haven't heard back from you. Were you able to solve your problem? If so, please add and accept an answer to let others know the solution. Or please respond to the previous comment so that we can continue to help you.

If we don't hear back from you in the next 3 business days, we'll assume you were able to solve your problem and we'll close this case. You can always comment back at any time to reopen.

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Answer 1 · 2021-07-23T20:45:39Z

Cole Shirley answered Jul 23, '21

Closing old question

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