European Journal of Operational Research, ( ISI ), Volume (9), No (4), Year (2017-6) , Pages (1-14)

Title : ( Analysis of reliability systems via Gini-type index )

Authors: Motahareh Parsa , A. D. Crescenzo , Hadi Jabbari Nooghabi ,

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Different strategies of reliability theory for the analysis of coherent systems have been studied by various researchers. Here, the Gini-type index is utilized as an applicable tool for the study and comparison of the ageing properties of complex systems. A new stochastic order in terms of Gini-type index is introduced to compare the speed of ageing of components and systems. The parallel-series and series-parallel systems with shared components are studied by their corresponding Gini-type indexes. Also, the generalization of Gini-type index for the multidimensional case is discussed, and is used to compare components life- times properties in the presence of other dependent components. It is shown that the ageing properties of a component lifetime can differ when the other components are working or have already failed. Nu- merous illustrative examples are given for better intuition of Gini-type and generalized Gini-type indexes throughout the paper.

Keywords

Reliability Ageing properties Stochastic comparisons Systems with shared components Multivariate conditional hazard
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@article{paperid:1063344,
author = {Parsa, Motahareh and A. D. Crescenzo and Jabbari Nooghabi, Hadi},
title = {Analysis of reliability systems via Gini-type index},
journal = {European Journal of Operational Research},
year = {2017},
volume = {9},
number = {4},
month = {June},
issn = {0377-2217},
pages = {1--14},
numpages = {13},
keywords = {Reliability Ageing properties Stochastic comparisons Systems with shared components Multivariate conditional hazard rates},
}

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%0 Journal Article
%T Analysis of reliability systems via Gini-type index
%A Parsa, Motahareh
%A A. D. Crescenzo
%A Jabbari Nooghabi, Hadi
%J European Journal of Operational Research
%@ 0377-2217
%D 2017

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