Rolling-horizon and fix-and-relax heuristics for the parallel machine lot-sizing and scheduling problem with sequence-dependent set-up costs

  • Authors:
  • Patrizia Beraldi;Gianpaolo Ghiani;Antonio Grieco;Emanuela Guerriero

  • Affiliations:
  • Dipartimento di Elettronica, Informatica e Sistemistica and Excellence Center on High Performance Computing, Universití degli Studi della Calabria, 87030 Rende (CS), Italy;Dipartimento di Ingegneria dell'Innovazione, Universití degli Studi di Lecce, 73100 Lecce, Italy;Dipartimento di Ingegneria dell'Innovazione, Universití degli Studi di Lecce, 73100 Lecce, Italy;Dipartimento di Ingegneria dell'Innovazione, Universití degli Studi di Lecce, 73100 Lecce, Italy

  • Venue:
  • Computers and Operations Research
  • Year:
  • 2008

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Abstract

In this paper we develop new rolling-horizon and fix-and-relax heuristics for the identical parallel machine lot-sizing and scheduling problem with sequence-dependent set-up costs. Unlike previous papers, our procedures are based on a compact formulation relying on the hypotheses of identical machines. This feature makes our approach suitable for large-scale applications (with hundreds of machines) arising in the textile and fiberglass industries. Moreover, our procedures are shown to provide a feasible solution for any feasible instance. Comparisons with lower bounds provided by a truncated branch-and-bound show that the gap between the best heuristic solution and the lower bound never exceeds 3%.