Transcript Lab-Module-09

Learning Simio Lab Series
Lab Module 9
User-defined Statistics
Copyright © 2013 - Jeffrey S. Smith and Simio LLC | All Rights Reserved
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Objectives and Outline
• Lab Objectives
– Continue learning basic Simio modeling
– Learn how to use Simio user-defined statistics (Output, Tally, State)
– Learn how to use add-on processes and resource lists to implement a customized secondaryresource requirement
• Lab Outline
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Video 1 – Emergency Department Model
Video 2 – Adding User-defined Statistics
Video 3 - Adding User-defined Statistics (cont.)
Video 4 – Assignments
Copyright © 2013 - Jeffrey S. Smith and Simio LLC | All Rights Reserved
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Video 1 – Emergency Department Model
• Based on Model 9.1
• Focus on user-defined statistics
– Tally Statistics
– State Statistics
– Output Statistics
• Secondary Resources
Copyright © 2013 - Jeffrey S. Smith and Simio LLC | All Rights Reserved
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Patient Flow and Doctor/Nurse Requirements
Routine
Moderate
Registration
Exam
Severe
Treatment
Trauma
Trauma
Room
Exam/Treatment Resource(s)
Required
Exam Room
Doctor or Nurse, Doctor
preferred
Treatment Room
Doctor and Nurse
Trauma Room
Doctor and (Nurse or Doctor,
nurse preferred)
Interested in:
• Resource requirements (cost)
• Rooms (Exam, Treatment, Trauma)
• Doctors
• Nurses
• Patient waiting time (time before seeing the
doctor/nurse)
Copyright © 2013 - Jeffrey S. Smith and Simio LLC | All Rights Reserved
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Video 2 – Adding User-defined Statistics
Routine
Moderate
Registration
Exam
Severe
Treatment
Trauma
Trauma
Copyright © 2013 - Jeffrey S. Smith and Simio LLC | All Rights Reserved
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Video 3 – Adding User-defined Statistics (cont.)
Routine
Moderate
Registration
Exam
Severe
Treatment
Trauma
Trauma
Cost = $2000 * Exam Capacity
+ $2500 * Treatment Capacity
+ $4000 * Trauma Capacity
+ $4000 * Nurse Capacity
+ $12000 * Doctor Capacity
+ $250 * Total Patient Waiting Hours
Copyright © 2013 - Jeffrey S. Smith and Simio LLC | All Rights Reserved
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Video 4 – Assignments
• Add a new user-defined statistic to track the number of non-urgent patients in the
system.
• Add a new user-defined statistic to measure patient throughput. Use this statistic to
determine whether or not the system is stable (i.e., the system has sufficient resources
to handle the patient load).
• Add a new user-defined statistic for patient satisfaction. Define patient satisfaction as
the proportion of Routine patients who wait less than or equal to 0.5 hours.
• Create an experiment and try to find the best resource capacities (in terms of our cost
function) subject to the constraint that patient satisfaction is at least 80% (and
demonstrate that the system is stable using the throughput statistic).
Copyright © 2013 - Jeffrey S. Smith and Simio LLC | All Rights Reserved
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