Reliability model of a component equipped with PHM capabilities. (December 2017)

• Record Type: Journal Article
• Authors: Compare, Michele; Bellani, Luca; Zio, Enrico
• Is Part Of: Reliability engineering & system safety. Volume 168(2017)
• Page Start: 4
• Page End: 11
• Publication Date: 2017-12
• Subjects: PHM metrics -- Reliability -- Particle Filtering -- Monte Carlo Simulation; Reliability (Engineering) -- Periodicals; System safety -- Periodicals; Industrial safety -- Periodicals; Fiabilité -- Périodiques; Sécurité des systèmes -- Périodiques; Sécurité du travail -- Périodiques; 620.00452
• DOI: 10.1016/j.ress.2017.05.024
• Languages: English
• ISSNs: 0951-8320

Abstract

Highlights: A link between component reliability and PHM performance metrics is established. Time-variant performance metrics are considered. PHM ability to prevent from failure is conservatively estimated. The reliability model is validated through a simulated case study concerning crack propagation. Abstract: We propose an analytic, time-variant model that conservatively evaluates the increase in reliability achievable when a component is equipped with a Prognostics and Health Management system of known performance metrics. The reliability model builds on metrics of literature and is applicable to different industrial contexts. A simulated case study concerning crack propagation in a mechanical component is considered to validate the proposed model.