WorkSchedule Wiht 'idle time'

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omarmansur
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Joined: Fri May 15, 2015 5:00 pm

WorkSchedule Wiht 'idle time'

Post by omarmansur » Mon Sep 14, 2015 2:08 pm

Hi,

I have a model on Simio 'its like a telemarketing', and in the Server i Have the processing time calculated and the workschedule both on the table reference.

But to make the model closer the reality , i want to put like a 'idle time' on the processing, because between the worker treat a entity costumer , he leaves the workstation, he talks to a friend, anyway sometimes he's not there like i put on the schedule.

How to do it ? Is there a function on Simio for it?

Thanks !

Omar Mansur

dsturrock
Simio Team Member
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Re: WorkSchedule Wiht 'idle time'

Post by dsturrock » Mon Sep 14, 2015 3:29 pm

One easy way to do this is using the reliability sections. You can schedule a "downtime" of random duration after every operation or after just some operations.
Dave Sturrock
VP Operations, Simio LLC

omarmansur
Posts: 5
Joined: Fri May 15, 2015 5:00 pm

Re: WorkSchedule Wiht 'idle time'

Post by omarmansur » Mon Sep 14, 2015 5:46 pm

Thanks!

If i get , you say on Server : ' Reliability Logic'
Failure Type 'Processing time Base'
Uptime Between failures ' 10 minutes'
Time to repair '1 minute'

In this example , means that every 10 minutes will be a failure and the worker go back in a minute to the job? or the entityes will have 1 minute delay?

Thanks again!

dsturrock
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Re: WorkSchedule Wiht 'idle time'

Post by dsturrock » Mon Sep 14, 2015 8:58 pm

Yes, that is correct. I suggest that you read the help topic on Reliability to help you better understand it and select which of the 4 options best suits your needs.For example if you used Processing Count Based with a
Count Between Failures of Random.Discrete(1, .40, 2, 1.0)
then 40% of the time your agent would take a break between each call and the remainder of the time he would take a break after every second call.
Dave Sturrock
VP Operations, Simio LLC

omarmansur
Posts: 5
Joined: Fri May 15, 2015 5:00 pm

Re: WorkSchedule Wiht 'idle time'

Post by omarmansur » Tue Sep 15, 2015 11:25 am

Thanks !!!!!
I think it's going to work!!!!

omarmansur
Posts: 5
Joined: Fri May 15, 2015 5:00 pm

Re: WorkSchedule Wiht 'idle time'

Post by omarmansur » Tue Sep 15, 2015 11:48 pm

Hi, i have another question

I watched on youtube ( link : https://www.youtube.com/watch?v=lAm2eYZu0D4 ) a function that models 'learning curve' on Simio, I think it applies better in the project, because I can put the effeciency per hour or minutes that gets closest to the real.

If you watch the video he used a function table and named, but my only problem is when I go to the function table the only way is put a Expression, and I did not find a Expression that make senses that looks like the model on youtube, I think my version is diferent!

Thanks again!

dsturrock
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Location: Sewickley, PA USA
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Re: WorkSchedule Wiht 'idle time'

Post by dsturrock » Wed Sep 16, 2015 12:06 am

What was originally called Function Table is now called Lookup Table. But otherwise it works as described in the video.
Dave Sturrock
VP Operations, Simio LLC

omarmansur
Posts: 5
Joined: Fri May 15, 2015 5:00 pm

Re: WorkSchedule Wiht 'idle time'

Post by omarmansur » Thu Sep 17, 2015 10:05 am

I have a workschedule like an example below :

08:00AM = 10 'Workers'
08:10AM = 12 'Workers'
08:20AM = 7 'Workers'
....
10:00AM = 20 'Workers'
....
until 08:00PM

I would like to put something like the learning curve that previous example, but I want to change the parameter for the workers.

Example:

Every 10 minutes or every hour, workers would have a truancy rate or inactive rate (I don't know if this terms are correct) , then it would be something like : the 10 workers I have 8:00 AM 20% of them would be out of the workstation or inactive, it would be something close of the examples that you helped me, I thought it would work the discrete distribution, but from what I understand it is not possible because this expression is cumulative, and the model has to be something like a constant % of the workers idleness or Inactive on my workshcedule.

Example:

08:00AM = 10 'Workers' (20% Of then Inactive)
08:10AM = 12 'Workers' (20% Of then Inactive)
08:20AM = 07 'Workers' (30% Of then Inactive)
08:30AM = 15 'Workers' (45% Of then Inactive)
09:40AM = 18 'Workers' (15% Of then Inactive)
13:20AM = 22 'Workers' (55% Of then Inactive)
.............

Thanks!

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