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An improved hybrid model for the generic hoist scheduling problem

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Publicado en:Annals of Operations Research vol. 115, no. 1 (Sep 2002), p. 173
Autor Principal: Riera, Daniel
Outros autores: Yorke-Smith, Neil
Publicado:
Springer Nature B.V.
Materias:
Computer programming
Models
Scheduling
Studies
Employment
Logic programming
Hybridization
Mathematical programming
Integer programming
Algorithms
Cranes & hoists
Operations research
Acceso en liña:Citation/Abstract
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Resumo: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. [PUBLICATION ABSTRACT]
ISSN:0254-5330
1572-9338
Fonte:ABI/INFORM Global