How to rotate an AGV when it is in an Elevator?

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Claire Krupp asked Jul 13, '23 Claire Krupp commented Jul 14, '23

How to rotate an AGV when it is in an Elevator?

I am using AGV type shuttles in an ASRS model. The AGVs have to go into the elevators to load the pallet from a conveyor. I have copied the needed parts of the AGV Elevator Process Flow, and after much frustration it is all working now, except for one thing:

The shuttles need to maintain their orientation throughout. On the paths it is working fine:

But as soon as I move the shuttle into the Elevator it rotates, and I can't get it to rotate back again using PF. (it does rotate back when it re-enters the AGV network, but then the pallet orientation is wrong!)

I have the Rotate command in here:

But no matter what syntax I have tried for the Object, I get this error:

What syntax would work? Or is there another command for an AGV - even though it's not in the AGV Network at that moment?

ASRS_AGV_shuttles_elevator_rotate_CK.fsm

Software Version:

FlexSim 23.1.3

agv elevator agv rotate

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asrs-agv-shuttles-elevator-rotate-ck.fsm (3.1 MiB)

Answer 1 · 2023-07-13T19:54:30Z

Felix Möhlmann answered Jul 13, '23 Claire Krupp commented Jul 14, '23

Did you copy that activity from an AGV/Elevator Process Flow? In those the first line casts the first parameter (the instance object) as a Task Executer.

In a general Process Flow the first parameter is the Process Flow itself which can't be cast as a TE and results in the error. If you change the variable to an object or treenode the activity should work again.

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Claire Krupp commented · Jul 14, 2023 at 03:31 PM

That was it! Thanks @Felix Möhlmann

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Claire Krupp commented · Jul 14, 2023 at 01:30 PM

I probably did - let me try one from the library instead....

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