How can I unload items from a pallet that is on an AGV using operators?

Question

question

Luca Bh asked Oct 31 2022 at 9:51 PM 12345bjy commented Sep 04 2024 at 3:00 AM

How can I unload items from a pallet that is on an AGV using operators?

Hi everybody :)

I'm relatively new to flexsim. I struggling with a couple of steps that are part of a larger model.

Anyway, I am supposed to do the following:

1. AGV picks up a pallet with 8 boxes stacked on it. (simple)

2. AGV travels to CP where it waits until two operators unload only the boxes into a queue.

3. It then travels to another location where the empty pallet is put in another queue.

4. AGV returns to 1. (easy)

I struggle mainly with steps 2 & 3. In my model, the operator always picks up the pallet + the 8 boxes still stacked on top. I am using a mix of 3d and process flow for my model but I want to do these steps in a process flow and without a separator.

I couldn't find any solution on this site so far and thought that I would try my luck.

I am thankful for any tips or help!

task_practice_v2.fsm

Software Version:

FlexSim 21.2.4

agv processflow operator pallet separate

task-practice-v2.fsm (89.5 KiB)

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Answer 1 · 2022-11-01T01:13:40Z

Jason Lightfoot answered Nov 01 2022 at 1:13 AM 12345bjy commented Sep 04 2024 at 3:00 AM

Your label items is just the pallet so I would instead label it as 'pallet' on the token.

Then you should push this to the unload list:

token.pallet.subnodes.toArray()

Model attached.

task-practice-v2_jl.fsm

task-practice-v2-jl.fsm (90.2 KiB)

· 5

Luca Bh commented · Nov 01 2022 at 6:07 PM

Thanks, Jason! But how come it pushes now only 4 tokens to the list despite there being 8 boxes? I can't find where it groups the boxes into one item.

In theory, the 8 boxes created in the beginning should all be pushed into the array with the subnodes command right?

0 ·

Luca Bh Luca Bh commented · Nov 01 2022 at 9:42 PM

never mind, I found it! Thanks!!

0 ·

12345bjy commented · Sep 02 2024 at 3:54 PM

@Jason Lightfoot

Hello！I practice this model I meet some problems and this model is reporting an error

Can you help me see where I went wrong？And I also have some questions are not clear,

Can you help me? Thank you!

1、What is the purpose of this label？

2、Usually,reporting the error should how to handle?

怎么让operator仅卸载AGV上的托盘上的box.fsm

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file.png (66.4 KiB)

file.png (61.3 KiB)

怎么让operator仅卸载agv上的托盘上的box.fsm (69.9 KiB)

Felix Möhlmann 12345bjy commented · Sep 03 2024 at 6:09 AM

You need to properly refer to the item that is to be loaded. (Same in the unload Run Sub Flow activity)

___operator___agv______box_1.fsm

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1725343718308.png (23.1 KiB)

-operator-agv-box-1.fsm (69.8 KiB)

12345bjy Felix Möhlmann commented · Sep 04 2024 at 3:00 AM

@Felix Möhlmann

Based on your reminder I know the key logical points,then I correct them.At the same time, I also understand why this change was made.

But,I still findTwo questions:

1、Reporting an error about Push item to list,Why ?

2、I seting the operator loads the request number is 2,why the two people loads 4?

怎么让operator仅卸载AGV上的托盘上的box.fsm

0 ·

file.png (41.9 KiB)

file.png (47.4 KiB)

file.png (78.9 KiB)

file.png (73.9 KiB)

怎么让operator仅卸载agv上的托盘上的box.fsm (70.0 KiB)

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