question

Steven Chen avatar image
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Steven Chen asked Steven Chen commented

agv blocked by another at spur

Hello,

I don't know why an AGV park at spur point can block another one on accumulation path.

agv-blocked-by-another-at-spur.fsm

FlexSim 18.1.1
agvaccumulationspur
agv-blocked-by-another-at-spur.fsm (121.6 KiB)
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1 Answer

Emily Hardy avatar image
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Emily Hardy answered Steven Chen commented

The issue was that the AGVs should be connected to the same decision point rather than to 3 different decision points. This includes both the ParkPoint connection and the TravelerAGV connection, as shown in the following picture. All 3 AGVs are stacked under AGV1 but they will separate when you run the model.

I've attached the model with the appropriate changes below. Hope this helps!

steven-chen-support.fsm


2018-05-29-08-33-49-flexsim-2018-steven-chen-suppo.png (30.3 KiB)
steven-chen-support.fsm (121.6 KiB)
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Steven Chen avatar image Steven Chen commented ·
@Emily Hardy

Thank you. I tried to connect 3 parking points to same point before but I got error "time: 0.000000 exception: AGV1 has run into AGV2 on an accumulating path. This is not allowed.".

It seems the order of traveler AGV connection matters. If connecting in order AGV1>AGV2>AGV3 will cause error. Connecting in order AGV3>AGV2>AGV1 is fine.

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