Traffic Signal Flow not working on AGV

Question

question

Student590 asked Dec 25 2024 at 2:54 PM Logan Gold commented Jan 17 2025 at 5:30 PM

Traffic Signal Flow not working on AGV

I want my AGV to stop when the traffic is red and go when the traffic is green. However, there is no effect whenever that happens. The AGV can move along the path but does not stop when it is red/green. Is it because the process flow failed to connect to the AGV? Can anyone help me out please! I have included my flexsim file. Much appreciated, thank you!
MINE.fsm

Software Version:

FlexSim 24.2.2

agvrouting traffic light traffic flow traffic light logic

1735138324471.png (77.5 KiB)

mine.fsm (44.9 KiB)

· 2

Joerg Vogel commented · Dec 26 2024 at 9:48 AM

I didn’t look into your model, but from @Felix Möhlmann’s answer you have to be able to allocate control points in controlled sections.

Often it is a good idea to test in a much simpler model basic methods of allocation and deallocations of control point to understand an unknown method. You find in this forum often answers, that are given by analyzing an attached model to assume a knowledge of the questioner building source code or logic structures. Then an answer is presented. But for someone who has a lower level of expertise such answers won’t help. And a question of how to do it, does not help to answer, because any answerer doesn’t know where to start.

You are building models on a discrete event driven simulation tool. This means you need an event that creates an action. It is not a state driven simulation tool, that reacts on inputs. The example model is time driven. Every 15 seconds an action happens.

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Logan Gold ♦♦ commented · Jan 17 2025 at 5:30 PM

Hi @Student590, was Felix Möhlmann's answer helpful? If so, please click the "Accept" button at the bottom of their answer. Or if you still have questions, add a comment and we'll continue the conversation.

If we haven't heard back from you within 3 business days we'll auto-accept an answer, but you can always comment back to reopen your question.

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Answer 1 · 2025-01-08T08:21:43Z

Felix Möhlmann answered Jan 08 2025 at 8:21 AM

I assume this model is based on this post.

https://answers.flexsim.com/questions/122426/how-to-use-traffic-signal-logic-in-agv-network.html?childToView=174216#comment-174216

This model doesn't contain any of the actual logic to make the AGVs stop at a red light. It is added in the "Waypoints" tab of the AGV network properties.

There is a screenshot of the needed settings and an explanation for what they do in the comment chain of the linked post.

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