A Bi-Population Based Genetic Algorithm for the Resource-Constrained Project Scheduling Problem

Dieter Debels and Mario Vanhoucke

Vlerick Leuven Gent Management School Working Paper Series from Vlerick Leuven Gent Management School

Abstract: The resource-constrained project scheduling problem (RCPSP) is one of the most challenging problems in project scheduling. During the last couple of years many heuristic procedures have been developed for this problem, but still these procedures often fail in finding near-optimal solutions for more challenging problem instances. In this paper, we present a new genetic algorithm (GA) that, in contrast of a conventional GA, makes use of two separate populations. This bi-population genetic algorithm (BPGA) operates on both a population of left-justified schedules and a population of right-justified schedules in order to fully exploit the features of the iterative forward/backward local search scheduling technique. Comparative computational results reveal that this procedure can be considered as today’s best performing RCPSP heuristic. Note

Keywords: Networks; Topological structure; Graphs; Project Scheduling instances (search for similar items in EconPapers)
Pages: 22 pages
Date: 2005-05-26
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Working Paper: A Bi-Population Based Genetic Algorithm for the Resource-Constrained Project Scheduling Problem (2005)
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