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Doris C avatar image
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Doris C asked Jeanette F commented

Lift process flow issue

Hello

I'm inquiring because I checked that the lift did not work when the lift and process flow were linked in the model.

1714454498430.png

As shown in the picture above, I put the travel in CP6 and CP9 and ran the simulation, but the lift does not work.

If I remove the travel corresponding to CP6 and CP9 from the process flow, the lift will work normally again. What is the problem? Is there no solution?

thank's you

lift-issue.fsm

FlexSim 24.0.2
processs flowcontrolpointlift
1714454498430.png (125.8 KiB)
lift-issue.fsm (105.2 KiB)
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Jeanette F avatar image Jeanette F ♦♦ commented ·

Hi @Doris C, 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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1 Answer

Felix Möhlmann avatar image
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Felix Möhlmann answered

The AGV Elevator Process Flow listens for the Pre-Arrival event of the redirect CPs. At that point it checks whether the destination CP is on another floor and the AGV thus needs to use the elevator. If you given the task executers a task to travel to the redirect CP then that will be its destination when the logic fires and it will determine that the elevator is not necessary.

In order for the Process Flow to work correctly, the destination of the AGV has to already be on a different floor when the Pre-Arrival at the redirect CP happens. (Pre-Arrival is the moment where the AGV would need to start decelerating in order to come to a stop at a CP, so it depends on the current speed and deceleration of the AGV)

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