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Achieved availability importance measure for enhancing reliability-centered maintenance decisions

Author

Listed:
  • Mary A Gravette
  • Kash Barker

Abstract

An effective defense strategy requires aircraft, among other weapons systems, to be available and ready for use when circumstances deem necessary. This article offers a set of importance measures to identify the critical components in a system from their influence on system-achieved availability, a common Department of Defense availability calculation that is a ratio of mean time between maintenance and total system time, including mean maintenance time. With these measures, more effective maintenance plans, including inspection and supply inventory, can focus on those components that more significantly impact achieved availability. A decision-making formulation results from these component importance measures, and an example based on a US Air Force system illustrates the modeling contributions.

Suggested Citation

  • Mary A Gravette & Kash Barker, 2015. "Achieved availability importance measure for enhancing reliability-centered maintenance decisions," Journal of Risk and Reliability, , vol. 229(1), pages 62-72, February.
    • Handle: RePEc:sae:risrel:v:229:y:2015:i:1:p:62-72
    DOI: 10.1177/1748006X14550849
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