How to control two types of task executers using traffic control?

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Raja Sekaran asked Feb 02 2017 at 12:41 PM Raja Sekaran commented Feb 07 2017 at 6:51 AM

How to control two types of task executers using traffic control?

In my model, I have used two different task executers (one is operator and another one is agv) will move the flowitems from Queue 1 to Queue 2 via Network nodes(1,2,3,4). I have attached the model for your reference.sample.fsm

The constraints are

Between NN2 to NN3,

1. Only two operators can travel at the same time

or

2.One operator and one agv can travel at the same time

or

3. If two agv's are waiting, Only one agv can travel between NN2 to NN3

How to achieve the above constraints using traffic controller?

Thanks in advance.

Software Version:

FlexSim 16.2.0

traffic control

sample.fsm (22.6 KiB)

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Answer 1 · 2017-02-02T17:09:28Z

Joerg Vogel answered Feb 02 2017 at 5:09 PM Raja Sekaran commented Feb 07 2017 at 6:51 AM

You can control the access and behavior to the controlled network in the OnRequestEntry Triggers return values. They are coded into the defined Parameter

TC_ON_ENTRY_REQUEST_DEFAULT and TC_ON_ENTRY_REQUEST_ALLOW

Here you can find a code example.

More information can find here in the answers forum if you type the keyword trafficcontrollinfo in the search field.

· 5

Joerg Vogel commented · Feb 02 2017 at 5:12 PM

The source code in the above link contains the deprecated command "eq". This was the command to compare two value in an older Flexsim version.

0 ·

Raja Sekaran Joerg Vogel commented · Feb 03 2017 at 11:33 AM

Hi Jorg, Thanks for your reply. I have tried this coding in OnEntryRequest trigger but it still not working the way i wanted. Here i have attached the edited model for your reference. Kindly help me with this.traffic-control-custom-code-onentryrequest-trigger.fsm

1 ·

traffic-control-custom-code-onentryrequest-trigger.fsm (24.3 KiB)

Joerg Vogel Raja Sekaran commented · Feb 03 2017 at 3:05 PM

Sure, I attached the model:

Since you use the TC_ON_ENTRY_REQUEST_QUEUE parameter, you have to handle the queued members in the on Exit Trigger of the TrafficControl object. The function has to check which object leaves the controlled area and if the area is empty. Then the function grants the entry for the waiting members as you defined it.

2 ·

traffic-control-triggers-v16-jv.fsm (25.2 KiB)

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