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Reliability Centered Maintenance Analysis Using Analytic Hierarchy Process for Electro-mechanical Actuators


There is an increasing trend for the usage of electrically powered equipment in the aviation industry. In this paper, a Reliability Centered Maintenance (RCM) analysis application is performed for Electro-Mechanical Actuators (EMA). We consider a new model for criticality classification for individual failure modes for the Reliability Centered Maintenance analysis stages using the Analytic Hierarchy Process (AHP) method. AHP method is used as a new tool for motor, electrical/electronic, and mechanical/structural failures in EMAs. A predictive maintenance planning model is also offered for Class A and B parts designated for electro-mechanical actuators.

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Reliability centered maintenance


Electro-mechanical actuators


Analytic hierarchy process


More electric aircraft


Electro-hydrostatic actuator




Significant maintenance items


Preventive maintenance


Equipment criticality






Availability of standby




Real-time monitoring and non-operational failure


Consistency ratio


Random index


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Correspondence to Yusuf Tansel İç.

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Doğan, D.C., İç, Y.T. Reliability Centered Maintenance Analysis Using Analytic Hierarchy Process for Electro-mechanical Actuators. Aerotec. Missili Spaz. 100, 321–335 (2021).

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  • Reliability
  • Maintainability
  • Availability
  • Reliability Centered Maintenance
  • Critical failure modes
  • Analytical hierarchy process
  • Electro-mechanical actuators