Integration of ANP and DEA methods for evaluating efficiency of maintenance strategies
by Ehsan Pourjavad; Hadi Shirouyehzad; Arash Shahin
International Journal of Manufacturing Technology and Management (IJMTM), Vol. 34, No. 4, 2020

Abstract: Selecting a suitable maintenance strategy has become an important challenge for facility/maintenance managers in most companies, and it keeps coming up because of complex equipment and variety of maintenance plans. The main purpose of this paper is to propose a prompt method to evaluate the efficiency of maintenance strategies and determine the optimum one. To further investigate this issue, an integration of analytic network process (ANP) and data envelopment analysis (DEA) methods are employed. At first, the weight of each criterion is calculated by ANP method and the ratio of weights of criteria is employed as a restriction. Then the weight of each criterion for maintenance strategies will be determined by paired comparison of maintenance strategies related to criteria. These weights are taken into account as inputs and outputs of DEA model. Finally, the efficiency of maintenance strategies will be calculated by DEA. In this research, the efficiency of five maintenance strategies is examined according to four criteria; cost, reliability, maintainability, availability for one class of equipment at Chadormalu Mining Industrial Company. It results in that TPM and CBM strategies have been confirmed to be the optimum strategies for maintaining this equipment.

Online publication date: Thu, 02-Jul-2020

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