Two-machine shop scheduling problems with batch processing

  • Authors:
  • Ulf Kleinau

  • Affiliations:
  • Technische Universität Magdeburg, Fakultät für Mathematik Institut für Mathematische Optimierung, PSF 124, O-3010 Magdeburg, Germany

  • Venue:
  • Mathematical and Computer Modelling: An International Journal
  • Year:
  • 1993

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Abstract

We consider shop scheduling problems with group-technology. Groups of jobs are given to schedule them in a flow shop or open shop environment to minimize makespan. Setups have to be performed whenever two jobs of different groups are processed consecutively on the same machine. We show both problems to be NP-hard even in the two-machine case and give several algorithms for solving special cases of the open shop problem.