Stochastic Project Scheduling with Hierarchical Alternatives
Applied Mathematical Modelling(2018)
Abstract
•We investigate a project scheduling problem with hierarchical alternative methods and uncertain activity durations.•The general mathematical model and the corresponding chance constraint model are formulated.•A metaheuristic combining sampling average approximation with artificial algae algorithm is developed.•Experimental results show that the proposed method outperforms GA.
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Key words
Project scheduling,Stochastic activity duration,Hierarchical alternative method,Stochastic chance constraint,Sample average approximation (SAA),Discrete artificial algae algorithm (DAAA)
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