Warehouse management with conveyor

Question

question

gust-flex asked Apr 05 2024 at 8:19 AM Jeanette F commented Apr 15 2024 at 3:35 PM

Warehouse management with conveyor

Hello, I am trying to simulate a warehouse where a forklift takes boxes from the conveyor to the racks in the first step and then takes the (smaller) boxes to the assembly line.

I want to achieve the following:

in the warehouse rack there should be only 2 boxes of each type. When there is less than 2, the source has to offer a new box to the conveyor and the forklift can put it in the rack.

So at the start of my simulation it already goes wrong, I would like to start offering each type 2 times and then only when one is needed in the rack. Can anyone help me?

test_Warehouse.fsm

Software Version:

FlexSim 23.2.1

source warehouse

test-warehouse.fsm (94.6 KiB)

· 2

Joerg Vogel commented · Apr 06 2024 at 5:50 AM

There doesn’t exist a conditional source. A source is a primitive object. It creates items in an amount and time only. You want a behavior that creates items upon an event of a rack object. Then you can create objects by source code or process flow. It would look like, by change of content or exit of an item from a rack, you create exactly this kind of object in your model anew and move it into an object near your source preferable in a queue. Then this created item can participate in your flow.

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Jeanette F ♦♦ commented · Apr 15 2024 at 3:35 PM

Hi @gust-flex, was Felix Möhlmann's answer helpful? If so, please click the "Accept" button at the bottom of their answer. Or if you still have questions, add a comment and we'll continue the conversation.

If we haven't heard back from you within 3 business days we'll auto-accept an answer, but you can always comment back to reopen your question.

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Answer 1 · 2024-04-08T07:39:17Z

Felix Möhlmann answered Apr 08 2024 at 7:39 AM

A simple option would be to create two tokens per type which each create a box and manage the transport into the rack, then wait until the box leaves the rack again and loop back to the start.

test-warehouse-fm.fsm

When unloading the items to Queue1 you either need to use the "Move Object" activity or run the "Unload" for each item individually in a sub flow.

test-warehouse-fm.fsm (96.4 KiB)

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