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Common Cause Failure Prediction Using Data Mapping, Paul H. Kvam, J. Glenn Miller
Common Cause Failure Prediction Using Data Mapping, Paul H. Kvam, J. Glenn Miller
Department of Math & Statistics Faculty Publications
To estimate power plant reliability, a probabilistic safety assessment might combine failure data from various sites. Because dependent failures are a critical concern in the nuclear industry, combining failure data from component groups of different sizes is a challenging problem. One procedure, called data mapping, translates failure data across component group sizes. This includes common cause failures, which are simultaneous failure events of two or more components in a group. In this paper, we present methods for predicting future plant reliability using mapped common cause failure data. The prediction technique is motivated by discrete failure data from emergency diesel generators …