Journal
INTERNATIONAL JOURNAL OF PRODUCTION ECONOMICS
Volume 140, Issue 2, Pages 570-578Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.ijpe.2011.08.013
Keywords
Spare parts; Criticality; AHP; Multi-criteria classification
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This paper proposes a spare part classification method based on item criticality. Starting from a multi-criteria analysis, the proposed model converts relevant criteria impacting item criticality into a single score presenting the criticality level. The obtained criticality level is used to rationalize the efficiency of the spare parts inventory policy. The model presents the multi-criteria classification problem in a logic decision diagram where AHP is used to solve the multi-criteria decision sub-problems at the different decision nodes of the diagram. The method was tested and implemented in a petrochemical plant and the results of this case study are presented. (c) 2011 Elsevier B.V. All rights reserved.
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