Scheduling jobs on a flexible batching machine: model, complexity and algorithms

  • Authors:
  • Baoqiang Fan;Guochun Tang

  • Affiliations:
  • Department of Applied Mathematics, Tongji University, Shanghai, China;Department of Applied Mathematics, Tongji University, Shanghai, China

  • Venue:
  • TAMC'06 Proceedings of the Third international conference on Theory and Applications of Models of Computation
  • Year:
  • 2006

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Abstract

Normal batching machine scheduling problems are assumed that the capacity of the machine, the maximum number of jobs that the machine can handle up to simultaneously, is fixed. However, in some realistic situations, the capacity of a machine is not constant. We call it a flexible batching machine. In this paper, we address the problem of scheduling jobs on a flexible batching machine to minimize the makespan. We prove that the problem is strong NP-hard, and its two agreeable cases are NP-hard. Then two pseudo-polynomial algorithms for the two cases are presented respectively.