JSM 2005 - Toronto

Abstract #302730

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Legend: = Applied Session, = Theme Session, = Presenter
Activity Number: 295
Type: Invited
Date/Time: Tuesday, August 9, 2005 : 2:00 PM to 3:50 PM
Sponsor: Section on Quality and Productivity
Abstract - #302730
Title: A Hierarchical Model for the Reliability of an Antiaircraft Missile System Based on Lifetime Data
Author(s): C. Shane Reese*+
Companies: Brigham Young University
Address: 230 TMCB, Provo, UT, 84602,
Keywords: Bayesian ; reliability ; lifetime data ; hierarchical model
Abstract:

We describe a hierarchical model for assessing the reliability of multicomponent systems. Novel features of this model are the pooling of failure information between similar components and the natural manner in which failure time data collected at either the component or subcomponent level is aggregated into the posterior distribution. Prior information is allowed to enter the model in the form of actual point estimates of reliability at nodes or in the form of prior groupings. Censored data at all levels are incorporated in a natural way through the likelihood specification. The methodology is illustrated with an example from an antiaircraft missile system.

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Revised March 2005