How to use Decide with Assign Label & Object

Question

question

Ghadir S asked Apr 10 2023 at 10:16 AM Kavika F commented Apr 10 2023 at 5:22 PM

How to use Decide with Assign Label & Object

Hi,

I'm trying to create a manual combiner (since I don't know how to use a combiner with Process Flow).

The idea is to add one box from two differents sources, delete them and create a new box as soon as they are added in QueueCombiner.

The first row is working because of the "Wait for Event" but afterwards, I no longer can add the yellow boxes.

I imagine there are tons of ideas which can be done by "Decide" but I tried countless ways to get the information from QueueCombiner such as

Conditional Decide : Model.find("Queue_Combiner").subnodes[1].Type == 2 && Model.find("Queue_Combiner").subnodes[1].Type == 4.

I also tried to use a Flag with Assignlabel. So I created an Assign Label and called it Flag and tried with Conditional Decide : token.Flag.value != 1

Is there anyway you can demonstrate me what I'm doing wrong with examples. A small demontration of each step I tried (How to read values from Queue object with Conditional Decide, How to create Flag and then use them with Conditional Decide).

LigneP3_V2.fsm

Software Version:

FlexSim 21.2.4

decide conditional decide assign label object with conditional decide

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lignep3-v2.fsm (197.2 KiB)

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Answer 1 · 2023-04-10T15:12:40Z

Kavika F answered Apr 10 2023 at 3:12 PM Kavika F commented Apr 10 2023 at 5:22 PM

Hey @Ghadir S, it looks like you've got it nearly working. Here are a few suggestions that may help you get on your way.

Near the top of your PF you have several Event-Triggered Sources that feed into a Push to List and Sink.

Instead of these sources, you could simply assign them all to a Group and use one Event-Triggered Source for them all.

As for your sources only working once, that's because you're using a Scheduled Source which will only spawn according to the set schedule (which in this case is one token at time 0). Instead you could use an Event-Triggered Source that will spawn a token each time an item arrives at Station3 (or the associated Rack).

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Jason Lightfoot ♦♦ commented · Apr 10 2023 at 3:19 PM

Or use an Object Process Flow for the item racks and push to a global list.

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Ghadir S Jason Lightfoot ♦♦ commented · Apr 10 2023 at 4:44 PM

@Jason Lightfoot Although @Kavika F solved my main problem, I'm still interested how I can do your way. Can you please elaborate me a simple model please.

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Ghadir S commented · Apr 10 2023 at 4:41 PM

Hi @Kavika F First of all, thank you for taking your time and helping me out.
Regarding Station 3. Your suggestion is working. Apparently I was so so obsess with Decision that I forgot I could actually use trigger event for this kind of situation. Can you tell me if I could done any better ?

Regarding Sources. I did gather all my sources into InputRack group. However, I'm having trouble understanding how to use Assign label in this scenario. I was thinking maybe I could do exactly what I did for my second problem. (add event trigger + Pull from list) but then I don't see the use of Assign Destination.

I'm currently trying at Station 1.

I assume for Assign Destination, I have to use Names by Case ?

Is there anyway you can elaborate for me please ? You can simply show me a simple model example and I can understand the rest on my own.

But Thank you again.
LigneP3_V3.fsm

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lignep3-v3.fsm (191.0 KiB)

Kavika F ♦ Ghadir S commented · Apr 10 2023 at 5:22 PM

You don't necessarily need the Assign Destination that I had in my model. I just had it to assign a destination label to an item that I was trying for something else. Sorry for the confusion. Your code should work fine if you remove it.

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