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Old 03-01-2009, 06:54 AM
satuross satuross is offline
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Default Simul8: A simple simulation problem?

Hi there, ive been using simul8 to simulate my problems, and i have 2 more things that i need to try to get done before the whole thing is complete

Problem 1:
Input ( fruit) ---->Storage bin (fruits) ---> Work Point(fruit identifier)---> 3 Storage bin's (apple , orange's, pineapple's)

so i want the fruit identifier, to produce apple's, orange's, and pineapple's at a given ratio (say, 25%, 25%, 50%) which (best) if its able to be taken from a spreadsheet.


Problem 2:

Okay this is a tad harder.

I have a Cutting worker. he can cut apple's OR orange's
however, he will cut apple's for 5 seconds, followed by cutting orange's for 10 seconds, then loop back to cutting apple's.

So basically....

Storage bin(apples)----> Working point (cutting apples)

Storage bin(orange's)----> Working point (cutting orange's)


and both of them share the an "imaginary resource", which goes back at forth cutting apples for 5 seconds, then orange's for 10 seconds.

because apple's and orange's are streaming in, that means he will be cutting lots of apple's at once, then going to the orange counter and cutting lots' of orange's at once, while the apple queue is filling up (and so on)

is this possible to simulate? thanks in ad
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Old 03-03-2009, 06:01 PM
ewilliams ewilliams is offline
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Default Simul8

For the first part, one approach will be to have three different work entry points produce each fruit separately; all Work Items produced can be the same basic type ("Fruit"), with an attribute value of 1 for orange, etc.
Each work entry point then sends the Fruit to the same next step for further processing. More thoughts on the second part soon! Best regards, Ed Williams
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Old 03-05-2009, 12:11 PM
Dominic Dominic is offline
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Default

to read in ratios from excel for problem 1:

create and name a profile distribution d_fruit_ratio
create 3 tempoary storage variables: v_column1 , v_column2, ...
then
set v_column1 = Get from excel (spreadsheet file, sheet, cells 1)
set v_column2 = Get from excel (spreadsheet file, sheet, cells 2)
...........
On reset logic use the "Set probability profile distribution" command
Set probability profile distribution(column1)
Set probability profile distribution(column2)
.......

Now one can assign attributes to fruits as follows
a_fruitype = d_fruit_ratio
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