Although there has been a wealth of work reported in the literature on the application of genetic algorithms (GAs) to jobshop scheduling problems, much of it contains some gross over-generalisations, i.e that the observed performance of a GA on a small set of problems can be extrapolated to whole classes of other problems. In this work we present part of an ongoing investigation that aims to explore in depth the performance of one GA across a whole range of classes of jobshop scheduling problems, in order to try and characterise the strengths and weaknesses of the GA approach. To do this, we have designed a configurable problem generator which can generate problems of tunable difficulty, with a number of different features. We conclude that the GA tested is relatively robust over wide range of problems, in that it finds a reasonable solution to most of the problems most of the time, and is capable of finding the optimum solutions when run 3 or 4 times. This is promising for many real world scheduling applications, in which a reasonable solution that can be quickly produced is all that is required. The investigation also throws up some interesting trends in problem difficulty, worthy of further investigation.
CITATION STYLE
Hart, E., & Ross, P. (2000). A systematic investigation of GA performance on jobshop scheduling problems. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 1803, pp. 277–286). Springer Verlag. https://doi.org/10.1007/3-540-45561-2_27
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