Earliness/tardiness scheduling with a common due date and family setups

  • Authors:
  • Rasika H. Suriyaarachchi;Andrew Wirth

  • Affiliations:
  • School of Computing and Information Technology, University of Western Sydney, Locked Bag 1797, Penrith South DC 1797, Australia;Department of Mechanical and Manufacturing Engineering, The University of Melbourne, Victoria 3010, Australia

  • Venue:
  • Computers and Industrial Engineering
  • Year:
  • 2004

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Abstract

We examine the problem of scheduling jobs, on a single processor to minimise the total earliness and tardiness costs about a common due date. Jobs belong to mutually exclusive families and a sequence independent setup task is required when processing switches from a job of one family to a job of another.We extend earlier results to obtain necessary optimal conditions for this problem. These are then used to generate a fast heuristic. Its performance is compared with a lowerbound, a greedy heuristic, a genetic algorithm and for small problems, the optimal solution.