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The structure function for system reliability as predictive (imprecise) probability
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DOI：10.1016/j.ress.2016.06.008.png)
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In system reliability, the structure function models functioning of a system for given states of its components. As such, it is typically a straightforward binary function which plays an essential role in reliability assessment, yet it has received remarkably little attention in its own right. We explore the structure function in more depth, considering in particular whether its generalization as a, possibly imprecise, probability can provide useful further tools for reliability assessment in case of uncertainty. In particular, we consider the structure function as a predictive (imprecise) probability, which enables uncertainty and indeterminacy about the next task the system has to perform to be taken into account. The recently introduced concept of 'survival signature' provides a useful summary of the structure function to simplify reliability assessment for systems with many components of multiple types. We also consider how the (imprecise) probabilistic structure function can be linked to the survival signature. We briefly discuss some related research topics towards implementation for large practical systems and networks, and we outline further possible generalizations. (C) 2016 Elsevier Ltd. All rights reserved.
Keyword:
Lower and upper probabilities
Structure function
Survival signature
System reliability
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11
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被引数:
4.2W
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Bayesian Inference for Reliability of Systems and Networks Using the Survival Signature.png)
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