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An Improved Hybrid Model for the Generic Hoist Scheduling Problem

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  • Daniel Riera
  • Neil Yorke-Smith

Abstract

The generic hoist scheduling problem is NP-hard and arises from automated manufacturing lines. In recent work using the constraint logic programming (CLP) formalism, a unified model has been developed with the problem description and solution method separated. We provide an improved model and new preprocessing stages where, as before, solutions and proof of optimality are provided by a hybrid CLP–MIP algorithm. The new algorithm is more scalable and robust. We give empirical results for a range of problem classes on benchmark problems from several sources. Copyright Kluwer Academic Publishers 2002

Suggested Citation

  • Daniel Riera & Neil Yorke-Smith, 2002. "An Improved Hybrid Model for the Generic Hoist Scheduling Problem," Annals of Operations Research, Springer, vol. 115(1), pages 173-191, September.
    • Handle: RePEc:spr:annopr:v:115:y:2002:i:1:p:173-191:10.1023/a:1021101321339
    DOI: 10.1023/A:1021101321339
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