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Simio Learning Resources

Modeling and Analysis of Picking Warehouses Using Simio Jeff Smith Industrial and Systems Engineering Auburn University jsmith@auburn.edu. Simio Learning Resources. Videos ( http://www.simio.com/videos ) Publications

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Simio Learning Resources

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  1. Modeling and Analysis of Picking Warehouses Using SimioJeff SmithIndustrial and Systems EngineeringAuburn Universityjsmith@auburn.edu

  2. Simio Learning Resources • Videos (http://www.simio.com/videos) • Publications • Introduction to Simio (Included PDF and downloadable seven-part video series) • Joines, J.A. and Roberts, S.D., Simulation Modeling with SIMIO: A Workbook • Kelton, W.D., J.S. Smith, and D.T. Sturrock Simio & Simulation: Modeling, Analysis, Applications

  3. Key Simio Object Concepts

  4. Simio User Interface • Files Menu • Ribbons • Project Tabs • Libraries • Project • Current Model • Properties • Facility View

  5. Standard Library

  6. Simple Flow Line Depart Arrive Server 2 Server 1

  7. Object Hierarchy - The Family of “Objects” Object Runspace (Realization) Object Instance Object Definition

  8. Simple Flow Line - Details Depart Arrive Server 2 Server 1

  9. Editing Object Properties • Displayed in Properties Window • Defined by object builder • Integers, Booleans, rules, expressions, … • Expression editor (down arrow at right):

  10. “Top 10” Expressions • X(a number – integer or real) • Random.Exponential(mean) • Random.Triangular(min, mode, max) • Random.Uniform(min, max) • ServerName.Capacity.ScheduledUtilization • ServerName.InputBuffer.Contents • DefaultEntity.Population.TimeInSystem.Average • DefaultEntity.Population.NumberInSystem.Average • SinkName.InputBuffer.NumberEntered • SinkName.TimeInSystem.Average

  11. Simple Flow Line – Expressions • Source1 • Interarrival Time: Random.Exponential(2.4) • Server1 • Processing Time: Random.Exponential(2) • Server2 • Processing Time: Random.Exponential(1.7)

  12. Simple Flow Line - Experiment Depart Arrive Server 2 Server 1

  13. Simple Flow Line – Responses Depart Arrive Server 2 Server 1

  14. Simple Flow Line – SMORE Plots Depart Arrive Server 2 Server 1

  15. Simple Flow Line – Throughput Response Depart Arrive Server 2 Server 1

  16. Buffers and Referenced Properties Depart Arrive Server 2 Server 1

  17. Buffers and Referenced Properties Depart Arrive Server 2 Server 1

  18. Buffers and Referenced Properties Depart Arrive Server 2 Server 1

  19. Simple Picking Warehouse

  20. Pickers • Walk speed: 1 meter/sec • Pick time: Uniform(10, 20) sec • Pack time: Triangular(.5, 2, 3.5) min • Fork Lift • Travel speed: 1.5 meters/sec • Load time: Uniform(5, 10) sec • Unload time: Uniform(20, 30) sec

  21. Racks 45 m 30 pick positions in each rack (approximate using 15 evenly spaced locations) • Decisions: • Number of pickers • Number of pack stations • Number of forklifts

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