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Periodic Statistics

 by dsturrock ¦  Mon Sep 25, 2017 4:43 pm ¦  Forum: SI Shared Items ¦  Topic: Periodic Statistics ¦  Replies: 0 ¦  Views: 118

Ever want to track statistics periodically, like by hour, shift, day, or week? I created this pair of objects for a customer about a year ago, then forgot to do anything with it. Perhaps others will find this to be useful. The solution is two objects, one for states and one for tallies, that allow y...

Re: Track State Statistic in Experiment

 by dsturrock ¦  Sun Aug 20, 2017 9:38 pm ¦  Forum: Discussions ¦  Topic: Track State Statistic in Experiment ¦  Replies: 5 ¦  Views: 2474

To extend the above example, the Monitor element would fire an event and/or trigger a process. In that process you would need to have a Tally step that records an observation on a TallyStatistics element.

If you had posted this in the Simio Insiders area I would have included a screen shot.

Just for Fun - Which Tank?

 by dsturrock ¦  Mon Aug 07, 2017 11:23 pm ¦  Forum: SI Shared Items ¦  Topic: Just for Fun - Which Tank? ¦  Replies: 0 ¦  Views: 429

This problem recently captured my attention on social media:

TankFarm.png
TankFarm.png (542.11 KiB) Viewed 429 times
Here's my solution (video):
(48.29 MiB) Downloaded 363 times
Here's my solution (Simio model):
(618.33 KiB) Downloaded 68 times

Re: Problem with Lognormal Distribution

 by dsturrock ¦  Wed Jul 12, 2017 11:27 am ¦  Forum: Discussions ¦  Topic: Problem with Lognormal Distribution ¦  Replies: 3 ¦  Views: 913

Statfit does that automatically if you select Simio as the Export Application.

Re: Problem with Lognormal Distribution

 by dsturrock ¦  Wed Jul 12, 2017 1:33 am ¦  Forum: Discussions ¦  Topic: Problem with Lognormal Distribution ¦  Replies: 3 ¦  Views: 913

The meaning of Simio's parameters are well described in help and consistent with industry standards. It appears that you may not be choosing the correct export application in Stat::Fit. When I choose the default export I see 3 parameters, but when I choose the Simio application it shows an expressio...

Re: Workstation

 by dsturrock ¦  Tue Jul 11, 2017 5:06 pm ¦  Forum: Discussions ¦  Topic: Workstation ¦  Replies: 2 ¦  Views: 812

The best choice is to use the Task Sequences option of the Server.

Re: Time varying appointment arrivals

 by dsturrock ¦  Fri Jul 07, 2017 8:17 pm ¦  Forum: Discussions ¦  Topic: Time varying appointment arrivals ¦  Replies: 3 ¦  Views: 1060

If you want a solution to a problem, it is best to post your questions inside Simio Insiders where we can post files with the response. I tried what I think you are doing and it worked fine for me, aside from the fact that the expression you used creates 1 arrival per event between 6- 11 am, 2 arriv...

Re: Reading the results pivot grid

 by dsturrock ¦  Thu Jul 06, 2017 10:37 pm ¦  Forum: Discussions ¦  Topic: Reading the results pivot grid ¦  Replies: 1 ¦  Views: 633

They are similar statistics except that the first statistic looks at the resource state as it changes over time ... successive "busy" states with no state change between them (e.g. there is no idle time) are considered to be a single busy state. For the second statistic each entity is recorded separ...

Re: Routing based on time schedule

 by dsturrock ¦  Thu Jul 06, 2017 3:31 pm ¦  Forum: Discussions ¦  Topic: Routing based on time schedule ¦  Replies: 3 ¦  Views: 1119

A slightly more efficient and easier to read version of the same logic:
Math.If(((DateTime.Hour(TimeNow)>6)&&(DateTime.Hour(TimeNow)<=10)), (1-p1), 0 )

Or shorter:
((DateTime.Hour(TimeNow)>6)&&(DateTime.Hour(TimeNow)<=10))*(1-p1)

Re: can I measure the electricity consumption in Simio

 by dsturrock ¦  Thu Jun 08, 2017 11:56 am ¦  Forum: Discussions ¦  Topic: can I measure the electricity consumption in Simio ¦  Replies: 6 ¦  Views: 5064

There are many ways to do this. In that same SimBit, if you look into the definition of MyVehicle, near the bottom you will find a process named StartChargingBattery. One way is to simply change the properties of that Decide step.

Re: Crane Library - Bridge and Underhung bridge cranes

 by dsturrock ¦  Thu Jun 01, 2017 10:58 am ¦  Forum: SI Shared Items ¦  Topic: Crane Library - Bridge and Underhung bridge cranes ¦  Replies: 29 ¦  Views: 32268

Can the Cranes object in the Extras library be sub-classed in the same manner as the Bridge and Underhung cranes? I am running into issues with 3-crane deadlocks in the Cranes object which is why I was looking for something else which could be sub-classed and modified. Yes they can. But perhaps you...

Re: Crane Library - Bridge and Underhung bridge cranes

 by dsturrock ¦  Mon May 29, 2017 11:51 am ¦  Forum: SI Shared Items ¦  Topic: Crane Library - Bridge and Underhung bridge cranes ¦  Replies: 29 ¦  Views: 32268

Yes, I believe it is. If you do not need the "underhung" ability to move cranes from one bridge to another, then I suggest that you instead use the Cranes object in the Extras library. This newer library is simpler, has a few more features, and is more robustly tested. http://www.simio.com/forums/vi...

Re: queuing at server1 when server2 is busy

 by dsturrock ¦  Fri May 26, 2017 5:40 pm ¦  Forum: Discussions ¦  Topic: queuing at server1 when server2 is busy ¦  Replies: 4 ¦  Views: 10737

In 9.148 and later we introduced Reneging functions that make this easier. And one of our SimBits is very close to your request. Search the help or SimBits for "Reneg"

Re: Agent Based modelling

 by dsturrock ¦  Fri May 12, 2017 4:23 pm ¦  Forum: Discussions ¦  Topic: Agent Based modelling ¦  Replies: 3 ¦  Views: 1956

And you might look in the Agent Based Modeling forum: viewforum.php?f=16

Re: Track State Statistic in Experiment

 by dsturrock ¦  Mon May 01, 2017 10:48 am ¦  Forum: Discussions ¦  Topic: Track State Statistic in Experiment ¦  Replies: 5 ¦  Views: 2474

Create a Monitor on the state value, and every time it goes to zero Tally an observation.

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