A hybrid DEA-based K-means and shuffled frog-leaping algorithm for maintenance selection
by Farshad Faezy Razi
International Journal of Operational Research (IJOR), Vol. 29, No. 1, 2017

Abstract: One of the main topics in repair and maintenance management lies is a matter of selection of repair and maintenance activities. This issue inherently deals with multiple and diverse quantitative and qualitative criteria for the purpose of decision-making and the selection. For this reason, the present paper has presented a new methodology for multi-criteria decision-making to select among various maintenance and repair activities. In the proposed approach, repair and maintenance activities are initially clustered using K-means clustering algorithm. The optimal number of clusters in K-means algorithm is validated using Silhouette Index. After determining optimal number of clusters, efficiency of repair and maintenance activities in each cluster is measured using data envelopment analysis. The fuzzy inference system is used to predict risk of unavoidable repairs and maintenance activities studied in this paper. Then, a two-objective mathematical programming model is designed, which not only maximises efficiency of maintenance activities, but also minimises the risk attributed to maintenance activities. Pareto optimal solution relevant to discussed model is obtained using shuffled frog-leaping algorithm. A case study is used to intuitively express multi-criteria problem of selection of repair and maintenance activities.

Online publication date: Wed, 22-Mar-2017

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