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Gulati avatar image
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Gulati asked Gulati commented

Transporter issue.

in the attached simple model:-

Working principle:- Main product coming from queue1 to machine1. as main product reach machine1 one batch of 50 item coming from source2 to queue2 to sink1. out of 50 i am using lot of 5 everytime with the main product on machine one. Lot size usage i am tracking with the help of label on sink. in local queue2 and queue3, i assign a logic as one batch get inside local queue2,3 from source input of local queue2,3 must close. then in on entry trigger of each machine i assign a logic as 80% get used the output of local queue2,3 get open to take one item from Source 2 to local queue2,3. if i am performing without AGV from Source to local queue2,3 it is working perfect, but with agv in the beginning and every time they are transporting two items at once one by one.

Question1):- why AGV is transporting two items instead of one to local queue2,3 from source 2.

Question2):- let suppose at the same time both local quueue2,3 is asking for item from source2 ,is it possible agv or some other transporter carry two items at once from source and first go to queue2 and then to queue3 instead of normal path like from source2 to queue2 then from queue2 to source2 again to pick next item and then from source2 to queue3?

Question 3):- as so many AGV will move throughout the plant if i make my model with more machines. is it possible to assign some logic in AGV to not strike with Machine or some other instrument.?

FlexSim 17.2.5
transporter issue
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1 Answer

Jeff Nordgren avatar image
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Jeff Nordgren answered Gulati commented

@Gulati

OK, I'm not quite sure why you are wanting to do it the way you are doing it instead of a possible easier way. Because I don't know exactly your specifications, I can't offer a better way. That said, I tried to use what you had but make it work the way you are describing. Take a look at the attached model to see if this is more what you have in mind for how you want the model to work.

#1 - Only one AGV is connected to the SourceQueue (instead of the old Source) which has a max capacity of 2. Code in the OnMessage trigger of SourceQueue makes sure that only one delivery makes it to each of Queue2 and Queue3.

#2 - By connecting only one AGV to the SourceQueue with a max capacity of 2, it will allow the AGV to pickup 2 (if available) flowitems and deliver them to the queues. If you have more than one AGV connected to the SourceQueue, it will call another available AGV rather than use the same one to transport both flowitems.

#3 - I also added network nodes to that the AGVs travel on a defined path so as not to run into other existing objects. Is this what you were wanting?

I also disconnected TaskExecuter4 as it really isn't needed, in my opinion. Let me know if a solution like this will work for your situation.

Thanks.

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Gulati avatar image Gulati commented ·

Yeah it is working the way i wanted. Thanks alot.

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