Minimizing flow time in cyclic schedules for identical jobs with acyclic precedence: the bottleneck lower bound

  • Authors:
  • Woonghee Tim Huh;Ganesh Janakiraman;Peter L. Jackson;Nidhi Sawhney

  • Affiliations:
  • School of Operations Research and Industrial Engineering, Cornell University, Ithaca, NY 14853, USA;School of Operations Research and Industrial Engineering, Cornell University, Ithaca, NY 14853, USA;School of Operations Research and Industrial Engineering, Cornell University, Ithaca, NY 14853, USA;Carmen Systems AB, Odinsgaton 9, Goteborg 411 03, Sweden

  • Venue:
  • Operations Research Letters
  • Year:
  • 2003

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Abstract

This paper studies minimizing the flow time of a cyclic schedule for repeated identical jobs, where one job is started/completed in each cycle, subject to the schedule achieving maximum throughput. We propose a branch and bound method for a single machine problem, and use this method to derive an improved lower bound for the multiple machine problem.