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SimEvents: Operations Research Library

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SimEvents: Operations Research Library



16 Dec 2010 (Updated )

Add-on library for SimEvents® that provides blocks for modeling operations research systems.

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NEW: Updated for R2015a.
NEW: Example demonstrating the Reorder Point method.

The library consists of a top-level SimEvents library called


eight sub-libraries:

  1. se4_batching.slx,
  2. se4_conveyor.slx,
  3. se4_math.slx,
  4. se4_utilities.slx,
  5. se4_DateTime.slx,
  6. se4_subsystem.slx
  7. se4_examples.slx,
  8. se4_test.slx,

five test bench models:

  1. test_accumulate.slx,
  2. test_batching.slx,
  3. test_conveyor.slx,
  4. test_DateTime_days.slx, and
  5. test_DateTime_minutes.slx.

and three example models:

  1. Goldratt_Dice.slx
  2. Job_Shop.slx
  3. Reorder_Point.slx

Revision 08 (R2015a) - September 30, 2015

Required Products SimEvents
MATLAB release MATLAB 8.3 (R2014a)
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Comments and Ratings (7)
13 Nov 2016 Rafa Juarez

I am trying to create a model of a paralell car storage in an automotive factory and I don' t know how to apply a technical availability to each server. I add the cycle time or servcie time for each car but I would like to ass the TAV to simulate breakdowns causing a reduction of the number of entities served. If there any example for this kind of models to help me?

Simple example should be how to create a production line with and automation. This automation will have a cycle time per car and suddnely a breakdwon could occur. How it is modeled?

Many thanks.

21 Oct 2016 Rick Rosson

I am currently evaluating SimEvents R2016b.

Comment only
29 Jun 2016 Rick Rosson

I have no plans at this time to update this content to the new SimEvents (R2016a). I will re-evaluate this decision after MathWorks releases R2016b.

Comment only
29 Jun 2016 Evelyn Yeung

Is there a chance you will update this for the new simevents (2016A)? I would love to use this functionality in a project.

Comment only
02 Feb 2012 Wei Li

Wei Li (view profile)

05 Nov 2011 Oleg Jurkevich

03 Feb 2011 Will Campbell

Nice work my friend! You might consider a version that releases the batch as individual entities instead of combined (or make it an option in the mask). You also could eliminate the need for the Time-Based Entity Generator upstream if you had a dialog option that specified the frequency of batching.

28 Dec 2010 1.1

Updated the description to include advantages and limitations. Also added Simulink to the list of required products.

03 Jun 2011 1.2

Added a new block to represent conveyor belts in the library. Added a new demo illustrating 'Little's Law'.

08 Jun 2011 1.3

Corrected typo in the description: revision date should be "2011" not "2010"

15 Jul 2011 1.4

Added three new blocks to the library: Accumulate, Disaccumlate, and Entity Subsystem. Updated files to R2011a. Fixed a few minor issues with the test bench models. Renamed the "LittlesLaw.mdl" simulation to "test_conveyor.mdl".

09 Aug 2011 1.5

Reorganized library into four sub-libraries. Added new blocks for 'zero-protected divide' and 'event-driven cumulative time average'

02 Jul 2012 1.6

Upgrading the libraries and test benches to R2011b.

16 May 2014 1.7

1. Updated to R2013b.
2. Updated to .slx file format.
3. Additional sub-library for date/time conversions.

03 Jun 2014 1.8

Correction: Updating requirements field to MATLAB 8.2 (R2013b)

31 Jul 2015 1.8.07

Updated for R2014a. Sub-library containing example models. Two example models:

12 Oct 2015 1.9

Updated for R2015a. Added a new example demonstrating the Reorder Point method.

01 Sep 2016

Updated license

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