Time and work generalised precedence relationships in project scheduling with pre-emption: An application to the management of Service Centres

Sacramento Quintanilla, Ángeles Pérez, Pilar Lino and Vicente Valls

European Journal of Operational Research, 2012, vol. 219, issue 1, 59-72

Abstract: In this paper we present an application of project scheduling concepts and solution procedures for the solution of a complex problem that comes up in the daily management of many company Service Centres. The real problem has been modelled as a multi-mode resource-constrained project scheduling problem with pre-emption, time and work generalised precedence relationships with minimal and maximal time lags between the tasks and due dates. We present a complete study of work GPRs which includes proper definitions, a new notation and all possible conversions amongst them. Computational results that show the efficiency of the proposed hybrid genetic algorithm and the advantages of allowing pre-emption are also presented.

Keywords: Project scheduling; Pre-emption; Work generalised precedence relationships; Multi-mode; Genetic algorithms; Service Centres (search for similar items in EconPapers)
Date: 2012
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Citations: View citations in EconPapers (4)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:ejores:v:219:y:2012:i:1:p:59-72

DOI: 10.1016/j.ejor.2011.12.018

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