Flow time optimization

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a_ltf asked Oct 15 2023 at 10:02 PM Jason Lightfoot commented Oct 20 2023 at 12:43 AM

Flow time optimization

Hi,
I want to create an optimization model to minimize total flow time by changing priority of Orders on each machine. Each machine has a fixed setup time and has a process time for each order calculated by "Process time" table" by a custom code. Each order can be done by one or more machines.
My question is :
I want each machine to pull the Order with minimum priority label & the order with diameter within range of machine range, from "machine dimensions" and "process time" tables.

Thank you in advance
Opt.fsm

Software Version:

FlexSim 22.2.0

pull strategy

1697407183961.png (178.4 KiB)

opt.fsm (191.7 KiB)

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Answer 1 · 2023-10-15T23:51:00Z

Jason Lightfoot answered Oct 15 2023 at 11:51 PM Jason Lightfoot commented Oct 16 2023 at 11:07 PM

You can put the diameter constraint on the pull requirement which will work in parallel with the pull strategy.

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a_ltf commented · Oct 16 2023 at 4:29 AM

Hi, thank you that was really helpful

One more question , how can i source with quantity and labels (order , length , diameter,priority ) according to table "Process time" ?

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Jason Lightfoot ♦♦ a_ltf commented · Oct 16 2023 at 12:28 PM

You can either add those to a schedule arrivals table or sequence, or generate an order number from 1-5 and use the row to look up the values and add the labels on creation at the source.

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a_ltf Jason Lightfoot ♦♦ commented · Oct 16 2023 at 2:02 PM

Thanks for your help, i don't know about the second option but for the first i want to get labels from the table so i can increase or "orders" directly from the table

Second i need to link the parameters sequence as a priority for the order

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