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Operations Research Models and Methods
Problems Section
Simulation Models
 - Serial System with Limited Queues

Use the Extend model for the three station serial system (Three Station Serial.mox) in the Examples/Models and Methods folder. Use a mean arrival time of 5 minutes and a mean service time of 4 minutes for each station. Allow at most 2 units in the queues for stations 2 and 3. Material is lost if a queue is full. Measure the average cycle time, mean WIP, and throughput rate.

a. Assume exponential service times and interarrival time distributions. Use simulation for 1000 minutes. Make 10 runs and compute average results.

b. Comparing these results with the serial system with unlimited queues, what observation can you make about the effects of limiting the queue size on the system measures?

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Operations Research Models and Methods
by Paul A. Jensen
Copyright 2001 - All rights reserved