Computer Science – Neural and Evolutionary Computing
Scientific paper
2008-03-13
Operational Research Society 4th Simulation Workshop (SW08) in print, pp, Worcestershire, UK 2008
Computer Science
Neural and Evolutionary Computing
Scientific paper
This paper investigates the reduction of variance associated with a simulation output performance measure, using the Sequential Sampling method while applying minimum simulation replications, for a class of JIT (Just in Time) warehousing system called crossdocking. We initially used the Sequential Sampling method to attain a desired 95% confidence interval half width of plus/minus 0.5 for our chosen performance measure (Total usage cost, given the mean maximum level of 157,000 pounds and a mean minimum level of 149,000 pounds). From our results, we achieved a 95% confidence interval half width of plus/minus 2.8 for our chosen performance measure (Total usage cost, with an average mean value of 115,000 pounds). However, the Sequential Sampling method requires a huge number of simulation replications to reduce variance for our simulation output value to the target level. Arena (version 11) simulation software was used to conduct this study.
Adewunmi Adrian
Aickelin Uwe
Byrne Mike
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