question

Glenson G avatar image
0 Likes"
Glenson G asked Jeanette F commented

How to not wait for the AGV to finish unloading before door close

Hi @Felix Möhlmann ,


Based on the current AGV elevator process flow, the lifts will wait for the AGVs to unload before closing the door and to pick up the next available AGV. Is it possible to simulate it in a way where it would not wait for the AGVs to finish unloading (unloading time includes leaving the lift and a short travelling distance after leaving the lift), and would close the door once the AGVs leave the lift?

Thank you.

liftusage_221205.fsm

FlexSim 22.2.3
agvelevator
· 1
5 |100000

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

Jeanette F avatar image Jeanette F ♦♦ commented ·

Hi @Glenson G, 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 unaccept and comment back to reopen your question.

0 Likes 0 ·

1 Answer

·
Felix Möhlmann avatar image
0 Likes"
Felix Möhlmann answered Glenson G commented

I don't quite understand where the problem is. If you want the "unload" time to be lower, then just reduce the time in the activity. What that time represents is arbitrary anyway.

· 5
5 |100000

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

Glenson G avatar image Glenson G commented ·

My apologies @Felix Möhlmann , I guess I thought that for both the unloading and loading time, it accounts for the the delay the AGV takes to leave the lift as well as some distance that it would travel out before moving to the destination. But yes it could just be changed in the "unload" time. Sorry for the confusion.


May I confirm that the following is the process for the lift?
1. Lift door opens (3s)
2. AGV enters (50s)
3. Lift door closes (3s)
4. Lift travels to destination floor
5. Lift door opens (3s)
6. AGV leaves (50s)
7. Lift door closes (3s)
8. Lift travels to next available task

Thank you Felix!

0 Likes 0 ·
Felix Möhlmann avatar image Felix Möhlmann Glenson G commented ·

After reading your post again, I think I now understand what you mean. I was confused about what exactly you mean by "unloading" time and thought you were only refering to the delay task.

The lift will indeed wait until the AGV has deallocated the floorCP. I believe this is done so another traveller from the same floor has a change to acquire the elevator before it travels to another floor, in cases where there is only one elevator.

To not do that, you can simply remove the respective Wait for Event activity. The logic will then work as you describe above.

1670496441937.png

0 Likes 0 ·
1670496441937.png (15.5 KiB)
Glenson G avatar image Glenson G Felix Möhlmann commented ·
Hi @Felix Möhlmann , thank you for your reply!


Just to confirm, so whatever timing that I input in the "Unloading AGV" activity, it would just mean the time taken for the AGV to leave the lift right? And it shouldn't be affected by the close door delay timing right?

Thank you!

0 Likes 0 ·
Show more comments

Write an Answer

Hint: Notify or tag a user in this post by typing @username.

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