Abstract
ABSTRACTA GPSS/360 model was developed to investigate the behavior of a university's motor pool dispatch fleet. Time‐series data were collected and frequency distributions were constructed for vehicle request patterns and trip‐duration times. Regression analysis was performed to formulate trip mileage generators as functions of service time. Appropriate statistical goodness‐of‐fit tests were conducted to ascertain the extent of congruence between actual system behavior and expectations based on a number of theoretical distributions. Analysis of simulated response variables indicates that the model's internal structure reproduces reality to a high degree. Fifteen years of simulated experience were generated for six alternative fleet size configurations; results suggest that reductions in existing fleet capacity could be realized without effecting undue impairment in service levels.
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