Approximate sensitivity analysis for acyclic Markov reliability models |
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Authors: | Yong Ou Dugan J.B. |
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Affiliation: | Dept. of Electr. & Comput. Eng., Virginia Univ., Charlottesville, VA, USA; |
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Abstract: | Acyclic Markov chains are frequently used for reliability analysis of nonmaintained mission-critical computer-based systems. Since traditional sensitivity (or importance) analysis using Markov chains can be computationally expensive, an approximate approach is presented which is easy to compute and which performs quite well in test cases. This approach is presented in terms of a Markov chain which is used for solving a dynamic fault-tree, but the approach applies to any acyclic Markov reliability model. |
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