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Bayesian reliability modeling of multi-level system with interdependent subsystems and components

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3 Author(s)
Jian Liu ; Department of Systems and Industrial Engineering, The University of Arizona, Tucson, USA ; Jing Li ; Byoung Uk Kim

Modeling the reliability of multi-level engineering systems is critically important yet technically challenging. Existing methods have limited consideration of the failure interdependency caused by the interactions among subsystems and components. In this paper, a new Bayesian Network (BN) representation of system structure and component interactions is proposed. Based on the BN representation, a Bayesian framework is developed to fuse the information from different levels of a system for modeling the reliability of the components, subsystems and the system as a whole. A case study is conducted to demonstrate the effectiveness of the proposed methodology.

Published in:

Intelligence and Security Informatics (ISI), 2011 IEEE International Conference on

Date of Conference:

10-12 July 2011