An improved hybrid model for the generic hoist scheduling problem

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Dettagli Bibliografici
Pubblicato in:	Annals of Operations Research vol. 115, no. 1 (Sep 2002), p. 173
Autore principale:	Riera, Daniel
Altri autori:	Yorke-Smith, Neil
Pubblicazione:	Springer Nature B.V.
Soggetti:	Computer programming Models Scheduling Studies Employment Logic programming Hybridization Mathematical programming Integer programming Algorithms Cranes & hoists Operations research
Accesso online:	Citation/Abstract Full Text Full Text - PDF
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Descrizione
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. [PUBLICATION ABSTRACT]
ISSN:	0254-5330 1572-9338
Fonte:	ABI/INFORM Global