Reliability Engineering and System Safety, volume 83, issue 3, pages 323-332
A performance index for semicoherent structures
Francesc Carreras
1
,
J Freixas
2
,
María Albina Puente
2
Publication type: Journal Article
Publication date: 2004-03-01
scimago Q1
SJR: 2.028
CiteScore: 15.2
Impact factor: 9.4
ISSN: 09518320, 18790836
Industrial and Manufacturing Engineering
Safety, Risk, Reliability and Quality
Abstract
The index introduced here provides a normalized measure of the effectiveness of any semicoherent structure. We study the mathematical properties of the index and derive different axiomatic characterizations for it. Moreover, close relationships are shown to reliability functions and also to the Birnbaum structural importance measure—for which twice the performance index plays the role of potential function—that give rise to computational procedures. Some numerical examples illustrate the application of the index.
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