Is there a way of knowing which control area the agv is in?

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Ryosuke S asked Feb 8, '21 Ryosuke S commented Feb 9, '21

Is there a way of knowing which control area the agv is in?

As title, is there a way of knowing what TaskExecutor (TE) is on which control area (CA)?

What I would like to do is set multiple control area to act as one. I'm controlling whether the TE can enter the CA with Matrix and status table defined in Globaltable. I've set the 3 control areas to one group and wait for event in group. This way, when TE allocates at either CA in the group, the event is triggered. While TE is on the CA, I'd like to know TE is on which CA to keep the status table updated even though it enters next CA.

Multiple_ControlArea_alt_en.fsm

Software Version:

FlexSim 20.1.3

processflow flexsim 20.1.3 control area

capture041.jpg (205.9 KiB)

multiple-controlarea-alt-en.fsm (43.8 KiB)

Answer 1 · 2021-02-08T14:14:44Z

Jason Lightfoot answered Feb 8, '21 Ryosuke S commented Feb 9, '21

Here's a user command that returns an array of control areas for which the AGV is allocated. You should put it in a user command such as getTEsCAallocations(<agv>) , since the structure of the control area tree may change in the future or have an API added to get this value and then you can just change it in the user command:

/**Custom Code*/
Object te=param(1);  
treenode networkCAlinks=Model.find("AGVNetwork>variables/controlAreas");
Array cas;
forobjectlayerunder(networkCAlinks) {
    Object ca=node("+/~",a);
    treenode allocs=getvarnode(ca,"allocations");
    for (int n=allocs.subnodes.length;n>0;n--) {
        if (te==node("../..+/~",allocs.subnodes[n].value)) {
            cas.push(ca);
            break;
        }
    }
}
return cas;

Here's another user command that returns the array of agvs in a control Area. You should put it in a user command such as getCAallocatedAGVs(<controlArea>) , since the structure of the control area tree may change in the future or have an API added to get this value and then you can just change it in the user command:

//treenode controlArea=param(1);   //for user command
treenode controlArea=Model.find("AGVNetwork/ControlArea1");  //in a script

treenode allocs=getvarnode(controlArea,"allocations");
Array agvs=Array(allocs.subnodes.length);
for (int n=allocs.subnodes.length;n>0;n--)
    agvs[n]=node("../..+/~",allocs.subnodes[n].value);
return agvs;

I've added both as user commands to your model.multiple-controlarea-alt-en_jl.fsm

multiple-controlarea-alt-en-jl.fsm (44.9 KiB)

· 1

Ryosuke S commented · Feb 09, 2021 at 06:03 AM

@jason.lightfoot Thank you very much for the user command. It was so useful!! I've been able to create what I wanted! Thank you. I'm attaching the completed model.

multiple-controlarea_behave_as_one.fsm

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multiple-controlarea-behave-as-one.fsm (44.2 KiB)

Answer 2 · 2021-02-08T12:46:25Z

Joerg Vogel answered Feb 8, '21 Ryosuke S commented Feb 9, '21

There is a field "Assign Event Object To" in the Event Trigger Source activity which has declared variable in the source code called "object". The Reference is to the Control area which triggered the event. I assign this reference to a label at the token:

token.labels.assert("area",object)

Later you can check, if this reference is a member of the group.

· 1

Ryosuke S commented · Feb 09, 2021 at 06:24 AM

@Jörg Vogel Thank you! I'll give myself a try with your solution.

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