Assignment:
Closed book & notes; 1 page of notes front & back OK; staple to exam.
1. Let's say you are making a purchase from a vending machine; we are examining aspects of the machine and customers
a. Give system components
b. Give system parameters
c Give system variables
d. Give relationships.
2. Explain how to terminate an Arena simulation run after 10,000 entities have been processed to completion. There are two ways of doing this: give both ways
3. A production line has three stations in series, the first two stations are metal cutting operations, and the third station is an inspection. When a defective item is found, the item is sent back to be through all three stations, the probability of a defect is 0.05. The following applies all time units are in minutes
Times between arrivals EXPO 100)
Station 1 NORM 80,20)
Station 2 Norm 83,30
Inspection UNIF(60,100)
Give the Arena model.
4. For the system in problem 3: There is a limit of two attempts to produce a good item; give the additional Arena modules needed to model the system.
5. For the system in problem 3: There is a limit of two attempts to get the item produced defect free; give the additional Arena modules.
6. We have a simulation model of a single server with the following:
CREATE PROCESS(seize, delay, release) DISPOSE
Explain what has to be done to obtain the following queue disciplines:
a. FIFO
b. SPT