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ENES489P Discrete Event Simulation 03/08/2011 Continued Exploration of Discrete Event Simulation

Summary: ENES489P Discrete Event Simulation 03/08/2011
Continued Exploration of Discrete Event Simulation
1 Train System
Modify the Elevator code to simulate a small train network as shown in Figure 1.
Figure 1. A simple train system.
The train is very similar to the elevator with a few small differences. The distance between A and B is given by
DAB and the distance between B and C is given by DBC. One train serves the track between A and B and another
train serves the track between B and C. Passengers have an arrival matrix identical to the elevator example from the
previous lab. While the elevator did not, the train will model the amount of time spent boarding and exiting. It is
assumed that this time is linear with a factor in sum of the passengers exiting and passengers boarding at a particular
stop. A passenger is defined to have exited when n seconds have elapsed since the train has stopped in the station
where n is the number of exiting passengers. Similarly, a passenger is considered to have boarded a train when all
passengers at the station have boarded and the train departs the station.
2 Problems
1. Estimate, using the simulation, the total average time a person needs to go to his destination. The total time
consists of the waiting time in the train station and and the time spent inside the train. This average should be
provided per starting and destination floor.
2. Experiment with the parameters: , C, K, DAB, DBC to see how the service times are affected.


Source: Austin, Mark - Institute for Systems Research & Department of Civil and Environmental Engineering, University of Maryland at College Park


Collections: Engineering