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David Seo avatar image
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David Seo asked Matthew Gillespie commented

Custom Task Sequence using PF

eflexsim-projectsgpproject-fileslgpark2018180411-s.fsm

I will try to make a model of custom task sequence like below;

The processors have not any buffer before or after themselves.

After the processor finish the job, a AGV should move new item from QueueFrom to the processor.

And the AGV should load the finished item from the processor and then unload the new moved item to the processor.

And the AGV move the finished item to the QueueTo and the AGV come back to QueueFrom to finish the task sequence.

The repeated Task-Sequence starts according to the processors finish the jobs.

3D model is good but using PF is good also.

Help me!

FlexSim 18.0.4
FlexSim 18.1.0
custom tasksequence
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Matthew Gillespie avatar image Matthew Gillespie ♦♦ commented ·

This model works pretty well without Process Flow, I just A connected the processors and checked the Use Transport box for each.

eflexsim-projectsgpproject-fileslgpark2018180411-s.fsm

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Jeff Nordgren avatar image
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Jeff Nordgren answered Phil BoBo edited

@david.seo,

Attached is your model with the changes that I made to your PF to do what you are describing. Take a look at the model and see if something like this would work for you.

Thanks.

david-eflexsim-fileslgpark2018180411-s-jn1.fsm


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David Seo avatar image David Seo commented ·

Dear @Jeff Nordgren. That's my looking for solution.

Yes. Thank you very much.

The process flow mudule is not easy for me to make the model.

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David Seo avatar image David Seo commented ·

@Jeff Nordgren

I found the model is good in flexsim 2018.0.4 but it happens error like below when running flexsim 2018 update 1.

What's the matter? I guess Flexsim 2018 update 1 has a bug.

Please check it.

Thanks.

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Jeff Nordgren avatar image Jeff Nordgren David Seo commented ·

@david.seo,

I'm not sure why version 2018.1 broke it. It seems like the P_Item label that is being assigned in the Source (PF) works in 2018.0.4 but not in 2018.1. I'm wondering if @Logan Gold, @Sam Stubbs, @Jacob Gillespie, @Ben Wilson or @phil.bobo might have some insight into what changed in 2018.1?

Anyway, I added an Assign Labels block to the PF to create a new/different reference for P_Item which will make it work again. I'm just not sure why that has to be done.

Thanks.

david-eflexsim-fileslgpark2018180411-s-v20181-jn1.fsm

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Phil BoBo avatar image Phil BoBo ♦♦ Jeff Nordgren commented ·

What version of FlexSim did you build this with, Jeff? Some version of the 2018 Update 1 Beta?

The Event-triggered Source's Label Assignment table is busted in this model. I don't know how it got into that state.

I tried to replicate this issue by building a similarly configured Event-triggered Source in 18.0 and updating it to 18.1, but that worked fine. Also building a new Event-triggered Source with the same configuration in 18.1 worked fine.

How did this activity get into this state?

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Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.