Job-Shop Scheduling with Limited Capacity Buffers

Peter Brucker, Silvia Heitmann, Johann L. Hurink, T. Nieberg

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42 Citations (Scopus)
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In this paper we investigate job-shop problems where limited capacity buffers to store jobs in non-processing periods are present. In such a problem setting, after finishing processing on a machine, a job either directly has to be processed on the following machine or it has to be stored in a prespecified buffer. If the buffer is completely occupied the job may wait on its current machine but blocks this machine for other jobs. Besides a general buffer model, also specific configurations are considered. The aim of this paper is to find a compact representation of solutions for the job-shop problem with buffers. In contrast to the classical job-shop problem, where a solution may be given by the sequences of the jobs on the machines, now also the buffers have to be incorporated in the solution representation. In a first part, two such representations are proposed, one which is achieved by adapting the alternative graph model and a second which is based on the disjunctive graph model. In a second part, it is investigated whether the given solution representation can be simplified for specific buffer configurations. For the general buffer configuration it is shown that an incorporation of the buffers in the solution representation is necessary, whereas for specific buffer configurations possible simplifications are presented.
Original languageUndefined
Article number10.1007/s00291-005-0008-1
Pages (from-to)151-176
Number of pages26
JournalOR Spectrum = OR Spektrum
Issue number2/2
Publication statusPublished - 12 Jan 2006


  • MSC-90B35
  • IR-66029
  • METIS-238055
  • EWI-3743

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