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A hybrid genetic algorithm for the resource-constrained project scheduling problem

delete2008-03-01
delete200
PRE
AI
V
Vicente Valls
F
Francisco Ballestı́n
S
Sacramento Quintanilla *
DOI:10.1016/j.ejor.2006.12.033delete
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摘要

摘要

En 中文
In this paper we propose a Hybrid Genetic Algorithm (HGA) for the Resource-Con strained Project Scheduling Problem (RCPSP). HGA introduces several changes in the GA paradigm: a crossover operator specific for the RCPSP; a local improvement operator that is applied to all generated schedules; a new way to select the parents to be combined; and a two-phase strategy by which the second phase re-starts the evolution from a neighbour's population of the best schedule found in the first phase. The computational results show that HGA is a fast and high quality algorithm that outperforms all state-of-the-art algorithms for the RCPSP known by the authors of this paper for the instance sets j60 and j120. And that it is competitive with other state-of-the-art heuristics for the instance set j30. (C) 2007 Elsevier B.V. All rights reserved.
Keyword:
project management
scheduling
heuristics
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期刊

European Journal of Operational Research 封面图
European Journal of Operational Research
IF:
6
论文数:
2.2W
被引数:
6.4W

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