Cycle time calculate error

Question

question

andrzej97 asked Feb 20 2025 at 8:56 AM Jeanette F commented Mar 12 2025 at 4:49 PM

Cycle time calculate error

Hello, I have the problem with calculate cycle time in FlexSim. I created object in first station "Stacja nawazania microadditives. I would like to have time between this station and FG Rack. I am using Histogram Dashboard. The cycle time should be about 10500 s. And the histogram is empty or I have wrong result shown in the picture below. What I can change to have a result?

Software Version:

FlexSim 25.0.2

histogram dasboard lifecycle

flexsim1.png (594.5 KiB)

flexsim2.png (594.5 KiB)

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Answer 1 · 2025-02-20T12:12:58Z

Felix Möhlmann answered Feb 20 2025 at 12:12 PM andrzej97 commented Feb 26 2025 at 5:28 PM

Hard to troubleshoot without access to the model. But you say the items enter the system through the processor. In the chart settings you have selected the "Main" queue as the entrance object though.

Did the item(s) actually enter that queue at any point?

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andrzej97 commented · Feb 20 2025 at 12:58 PM

Flexim_histogram.fsm

Hi, I am sneding my model

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flexim-histogram.fsm (92.3 KiB)

Felix Möhlmann andrzej97 commented · Feb 20 2025 at 1:15 PM

The items getting created at the processor and entering the queue are never entering the "FG Rack". They get deleted and other items eventually enter the rack. You could in theory match the first, second, third... entry into the processor/queue with the first, second, third... entry into FG Rack.

But it would be easier to just track the time it takes a token to move between the relevant activities in the Process Flow.

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andrzej97 Felix Möhlmann commented · Feb 20 2025 at 1:31 PM

How to track a token? What function should I use for this purpose?

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andrzej97 commented · Feb 20 2025 at 1:31 PM

How to track a token? What function should I use for this purpose?

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Felix Möhlmann andrzej97 commented · Feb 20 2025 at 1:39 PM

The same chart. Just select Process Flow activities as the entrance and exit object(s).

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andrzej97 commented · Feb 20 2025 at 1:49 PM

It doesn't work

Flexim_histogram_2.fsm

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flexim-histogram-2.fsm (91.2 KiB)

Felix Möhlmann andrzej97 commented · Feb 20 2025 at 2:20 PM

Same issue as before. The tokens that enter the Unload activity are child-tokens of the one that entered the selected Travel activity.

To get this one-to-many relationship to work, you can write the initial time to a token on the label and use a custom Statistics Collector to store the difference between that and the unload time of each child token.

flexim-histogram-3.fsm

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flexim-histogram-3.fsm (694.8 KiB)

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