An improved MCDM approach for maintenance strategy selection: case study of Coca-Cola Company, Iran

Over the recent years in Iran, low rate of economic growth and downturn because of the external sanctions, occurred concurrent with increasing competition in international industries and more demanding consumers and stakeholders. In this situation, knowledge-based and effective production is a necessary condition for availability, reliability and productivity of production equipment. In this regard, maintenance strategies are a key factor to realize competitiveness, profitability and survival of companies. Identification of optimal maintenance strategy is process of resource allocation and determining actions which keep the equipment in working order. In this descriptive-survey research the criteria are classified into the four groups including equipment risk level, maintenance cost, spare parts availability and maintainability also maintenance strategy considered are corrective maintenance, time-based maintenance, condition-based maintenance and shutdown maintenance. Improved MCDM approach is combined DEMATEL and ANP procedures to deal with the problem of interdependence and feedback among the criteria and ranking the maintenance strategies. The results shown Time-based Maintenance strategy (TBM) have better performance in beverage industry compared with others.