Abstract
Dassault Aviation have developed a reliability workbench based on the high-level formal description language AltaRica. The workbench includes a compiler of AltaRica models into fault trees. The fault trees generated for the largest industrial systems involve up to a thousand basic events and several dozen thousand gates; moreover, they are non-coherent. The assessment of such large formulae is challenging, even for binary decision diagrams, the state-of-the-art data structure to encode and to manipulate Boolean functions. This article describes the various heuristics and strategies that were used to make the assessment tractable.
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Schedule a callMore From: Proceedings of the Institution of Mechanical Engineers, Part O: Journal of Risk and Reliability
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