A definition of vague coherent systems (Q2765433)
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scientific article; zbMATH DE number 1694766
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | A definition of vague coherent systems |
scientific article; zbMATH DE number 1694766 |
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24 January 2002
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reliability analysis
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system performance
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degradation
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fuzzy sets
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0.80599487
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A definition of vague coherent systems (English)
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This study is devoted to a definition and analysis of vague coherent systems. Most classic reliability theory is concerned with the analysis of systems whose components are described by Boolean variables in terms of their functioning. In contrast, the framework proposed here addresses an important issue of a varying performance of the system (called here vague system) being implied by a continuous decline in the performance of the individual components. The formal framework of fuzzy sets is used to model this effect of degradation (in particular in the language of a three-valued logic we consider a state of full functioning (with truth value equal to 1), degradation (1/2), and failure (0)). The results of the analysis of standard parallel, serial and \(k\)-out-of-\(n\) structures are presented.NEWLINENEWLINEFor the entire collection see [Zbl 0972.00026].
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