A decision theory based scheduling procedure for single-machine weighted earliness and tardiness problems |
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Affiliation: | 2. Department of Pediatric Diseases, University of Health Sciences, Gülhane Training and Research Hospital, Ankara, Turkey |
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Abstract: | We consider the dynamic single-machine scheduling problem where the objective is to minimize the sum of weighted earliness and weighted tardiness costs. A single pass heuristic, based on decision theory, is developed for constructing schedules. The heuristic permits schedules with idle time between jobs and behaves like a dispatching procedure. The performance of the new heuristic is examined using 116 published problems for which the optimum solution is known. Its performance is also investigated using 540 randomly generated problems covering a variety of conditions by comparing it to two well known dispatching procedures, adapted for dynamic early/tardy problems. The results indicate that the heuristic performs very well. |
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