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Publications
Sobral, J. and Ferreira, L. (2015), “Establishment of optimal physical assets inspection frequency based on risk principles”, Maintenance and Reliability, Vol. 17(2), pp. 243-249
Risk Based Inspection (RBI) is a risk methodology used as the basis for prioritizing and managing the efforts for an inspection program allowing the allocation of resources to provide a higher level of coverage on physical assets with higher risk. The main goal of RBI is to increase equipment availability while improving or maintaining the accepted level of risk. This paper presents the concept of risk, risk analysis and RBI methodology and shows an approach to determine the optimal inspection frequency for physical assets based on the potential risk and mainly on the quantification of the probability of failure. It makes use of some assumptions in a structured decision making process. The proposed methodology allows an optimization of inspection intervals deciding when the first inspection must be performed as well as the subsequent intervals of inspection. A demonstrative example is also presented to illustrate the application of the proposed methodology.
You can download this paper from: http://www.ein.org.pl/sites/default/files/2015-02-11.pdf
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