How to control the orientation of an AGV on rails in FlexSim 2023

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Yokota T asked Jun 21, '23 Yokota T commented Jun 22, '23

How to control the orientation of an AGV on rails in FlexSim 2023

Hello all,

I have a simulation model created in FlexSim 2022.0. It is mainly a simulation model of an AGV. I used "AGV Orientation" of the AGV Path to control the orientation of the AGV.

control_AGV_orientation_2022.0.fsm

However, when this model is run in FlexSim 2023.0 with default settings of AGV Network, a Navigation Error occurs during simulation.

Is it possible to change somewhere in the AGV Network specifications to return to the same behavior as in 2022.0? Or is there no other way than to modify the model by angling the path as shown in the figure below or using a curved path?

Software Version:

FlexSim 23.0.8

agv agvpath navigation error flexsim 2023

1687337403260.jpeg (71.4 KiB)

1687338801318.png (4.3 KiB)

control-agv-orientation-20220.fsm (40.1 KiB)

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Attachments: Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.

Answer 1 · 2023-06-21T23:10:45Z

Jonah K answered Jun 21, '23 Yokota T commented Jun 22, '23

There was most likely a bug fix from 22.0 to 23.0 that prevented AGVs from entering a forward-only path facing backwards - which is essentially what your model was doing. I think the best way to fix this is by doing what you originally suggested - slightly modifying the angle or adding a small curved path, as shown here:

There probably isn't another way to get it back exactly to how it worked in 22.0 but I will submit this in a bug report to the development team about how this change effected backwards compatibility.

The rotation of the AGV also was behaving differently in 23.0 and this can be fixed by clicking on the AGV and checking the "Rotate" box in the Travel panel:

control-agv-orientation-20220_JK.fsm

1687388815057.png (18.7 KiB)

1687388983099.png (30.0 KiB)

control-agv-orientation-20220-jk.fsm (40.6 KiB)

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Attachments: Up to 12 attachments (including images) can be used with a maximum of 23.8 MiB each and 47.7 MiB total.

Yokota T commented · Jun 22, 2023 at 04:46 AM

Thank you for your answer. I understand.

I will change the model as you have advised.

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