Identification method of independent module for dynamic fault tree with interdependent basic events and repeated events

Authors:
Hong-Lin Zhang;Chun-Yuan Zhang;Dong Liu
Affiliations:
School of Computer, National University of Defense Technology, Changsha City, Hunan Province, 410073, China.;School of Computer, National University of Defense Technology, Changsha City, Hunan Province, 410073, China.;Key Lab of National Defense Technology, Academy of Equipment Command and Technology, Beijing City, 101400, China
Venue:
International Journal of Computer Applications in Technology
Year:
2012

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International Journal of Computer Applications in Technology

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Abstract

Modular analysis is always used to reduce the complexity in fault tree analysis. This paper proposes a method to find all the independent modules in Dynamic Fault Tree (DFT) with interdependent basic events and repeated events. This method converts DFT to dependent tree according the dependency relations of the nodes. Through the analysis of properties of each node, all independent modules and minimum independent modules can be obtained. Finally the experiment shows that this method can solve the case which cannot be solved by previous methods, and it is convenient and effective.