topic One piece flow: operator has to pass process just like the product in FlexSim Forum

One piece flow: operator has to pass process just like the product

christian_m20 — Thu, 20 Oct 2022 13:02:27 GMT

[ FlexSim 22.2.0 ]

Hi all,

like in a standard lean management process setup for one piece flow I need to create a process with several Multiprocessors in a line. Starting from a queue a first operator picks a product, transports it to a processor#1, sticks with the product and passes it to the second processor#2 and so on until the product is finished. ANOTHER operator in the meantime also starts picking a product from the queue and transports it to the processor#1 (if free for another operation), sticks with the product and passes it to the second processor#2 and so on until the product is finished.

So, basically I want the operator to accompany the product through all of the processes and not switching tasks whenever he is free. I tried with tagged resources but it throws an error as soon as the same operator is required to do the transport AND an a process.

If you have any simple to use ideas, please let me know.

Best regards,

Chris

Re: One piece flow: operator has to pass process just like the product

jason_lightfoot_adsk — Thu, 20 Oct 2022 13:24:52 GMT

Put a label on the part that points to the operator and reference that in all transport and process dispatchers. Use a list of available operators to choose one for the first OP and then push them back to the list when finished.

Also used with agvs in this answer

Re: One piece flow: operator has to pass process just like the product

lucas_antonio_risso — Thu, 20 Oct 2022 17:59:54 GMT

Hi Christian,

I have implemented Jason's insightful idea in a sample model, which you find attached.

Please, vote on his answer, and not on this one.

Notice that each operator has a set label command on the trigger "On load". Then, the processors and queues call the resource based on the label set.

Operator-label.fsm

Re: One piece flow: operator has to pass process just like the product

lucas_antonio_risso — Thu, 20 Oct 2022 18:00:24 GMT

Interesting idea, thank you for sharing.

Re: One piece flow: operator has to pass process just like the product

christian_m20 — Fri, 21 Oct 2022 12:40:42 GMT

Thanks for the quick response. It works just like I needed.

Re: One piece flow: operator has to pass process just like the product

christian_m20 — Fri, 21 Oct 2022 12:43:27 GMT

Hi Lucas, thanks for the model. I got rid of the Dispatcher and used a task executor list just like Jason mentioned. Otherwise the operators use their idle time to transport and label new items.