Greedy randomized dispatching heuristics for the single machine scheduling problem with quadratic earliness and tardiness penalties

Jorge M. S. Valente () and Maria do Rosário Moreira ()
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Jorge M. S. Valente: LIAAD, Faculdade de Economia, Universidade do Porto, Portugal

FEP Working Papers from Universidade do Porto, Faculdade de Economia do Porto

Abstract: In this paper, we present greedy randomized dispatching heuristics for the single machine scheduling problem with quadratic earliness and tardiness costs, and no machine idle time. The several heuristic versions differ, on the one hand, on the strategies involved in the construction of the greedy randomized schedules. On the other hand, these versions also differ on whether they employ only a final improvement step, or perform a local search after each greedy randomized construction. The proposed heuristics were compared with existing procedures, as well as with optimum solutions for some instance sizes. The computational results show that the proposed procedures clearly outperform their underlying dispatching heuristic, and the best of these procedures provide results that are quite close to the optimum. The best of the proposed algorithms is the new recommended heuristic for large instances, as well as a suitable alternative to the best existing procedure for the larger of the middle size instances.

Keywords: scheduling; single machine; early/tardy; quadratic penalties; greedy randomized dispatching rules (search for similar items in EconPapers)
Pages: 26 pages
Date: 2008-08
New Economics Papers: this item is included in nep-cmp
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Citations: View citations in EconPapers (1)

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Persistent link: https://EconPapers.repec.org/RePEc:por:fepwps:286

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