Preemption in single machine earliness/tardiness scheduling

  • Authors:
  • Kerem Bülbül;Philip Kaminsky;Candace Yano

  • Affiliations:
  • Manufacturing Systems and Industrial Engineering, Sabancı University, Istanbul, Turkey;Industrial Engineering and Operations Research, University of California, Berkeley, USA;Industrial Engineering and Operations Research, University of California, Berkeley, USA and Haas School of Business, University of California, Berkeley, USA

  • Venue:
  • Journal of Scheduling
  • Year:
  • 2007

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Abstract

We consider a single machine earliness/tardiness scheduling problem with general weights, ready times and due dates. Our solution approach is based on a time-indexed preemptive relaxation of the problem. For the objective function of this relaxation, we characterize cost coefficients that are the best among those with a piecewise linear structure with two segments. From the solution to the relaxation with these best objective function coefficients, we generate feasible solutions for the original non-preemptive problem. We report extensive computational results demonstrating the speed and effectiveness of this approach.