Control process using queue size

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Talia Z asked Jan 04 2019 at 3:46 AM tannerp edited Jan 11 2019 at 9:36 PM

Control process using queue size

I would appreciate help fixing my control logic. When the truck enters "Combiner 1" it will closeinput on the separator. When the "Bottles" queue > 90, I aim to send a message to "Queue2". On this message, "Queue2" will closeoutput. Then, OnExit of "Queue2" the separator will openinput. I believe I need to openoutput on my "Queue2", but am not sure how to do this without disturbing the other logic.

My aim is to control when the separator gets a new truck based on two parameters; both of these need to be satisfied for the separator to receive a new truck. (1) "Bottles" queue size < 90 and (2) "Combiner1" is empty

Is there a better way to do this using only a send message control on the "Bottles" queue? I am not sure how I would write the (2) parameter. Thank you very much for your help!

bottle-unloader-process-v8.fsm

Software Version:

FlexSim 17.2.5

message trigger control queue size

queue-2.png (90.2 KiB)

bottle-queue-control.png (120.9 KiB)

combiner1.png (102.2 KiB)

queue2-2.png (86.8 KiB)

bottle-unloader-process-v8.fsm (4.7 MiB)

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Answer 1 · 2019-01-04T20:24:39Z

tannerp answered Jan 04 2019 at 8:24 PM tannerp edited Jan 11 2019 at 9:36 PM

I would use the following code for the second parameter in your question. I'm not sure the timing of everything and if it's all going to work, but hopefully this helps get you started.

model().find("Combiner1").as(Object).subnodes.length == 0<br>

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