Combinatorial competing failure analysis considering random propagation time

Existing reliability models of complex systems have mostly assumed instantaneous failure propagation with a global effect leading to conservative analysis results on system reliability. This paper proposes a new reliability model considering competing failure isolation and failure propagation with r...

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Bibliographic Details
Published in2016 Annual Reliability and Maintainability Symposium (RAMS) pp. 1 - 5
Main Authors Huadong Mo, Min Xie, Liudong Xing
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.01.2016
Subjects
Competing Failure
Complex systems
Control systems
Failure Isolation
Fires
Generators
Probability density function
Propagated Failure
Random Propagation Time
Reliability theory
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Summary:Existing reliability models of complex systems have mostly assumed instantaneous failure propagation with a global effect leading to conservative analysis results on system reliability. This paper proposes a new reliability model considering competing failure isolation and failure propagation with random propagation time. The assessment method utilizes the total probability theorem and binary decision diagrams, providing a practical procedure for the reliability analysis of complex systems subject to competing failures and random propagation time. Results can be used in arranging maintenance activities and optimizing resource allocation. The proposed model is validated using a case study.
DOI:10.1109/RAMS.2016.7448080