Hybrid Approach of ANP and DEMATEL for Selecting Optimal Maintenance Strategy: a case study in the pharmaceutical industry


1 Department of Industrial Engineering, Najafabad Branch, Islamic Azad University, Isfahan, Iran

2 Department of Industrial Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran

3 Department of Industrial Engineering, Faculty of Engineering, Isfahan University of Technology, Iran.


Organizations' competitiveness and efficiency depend on the reliability, availability and productivity of their production equipment today. In order t o increase reliability and safety level with reasonable cost, it is vital for companies to select the appropriate maintenance strategy. Among all the duties of maintenance departments, having a proper maintenance strategy developed based on the needs of the organization and aligned with the organization's goals is a necessity. It is also considered the first and most important step toward the department's success. This paper presents a hybrid approach of analytical network process and DEMATEL to select optimal maintenance strategy. Results revealed that the best maintenance strategy for transformer equipments of Exir Pharmaceutical Company of Boroujerd is reliability centred maintenance.