Failure Risk Evaluation of Security System Based on Fuzzy FTA

Na Qu; Zhong Hai Li; Nai Wei Cheng; Jian Wei Li

doi:10.4028/www.scientific.net/AMR.945-949.1094

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 945-949Failure Risk Evaluation of Security System Based...

Failure Risk Evaluation of Security System Based on Fuzzy FTA

Abstract:

The reliability of security system affects the ability of the system to protect people's lives and property safety. Failure risk assessment of security system is an effective method to test the reliability of the system. The fault tree analysis method has been applied to analyze the system failure risk from the angle of each part and considering the human factors. The traditional fault tree analysis method assumes that the probability of bottom events is certain to calculate the top event probability. To obtain accurate bottom events probability is difficult, even impossible because statistical data is not sufficient and the bottom events is fuzzy in fact. Analysis of the fuzzy mathematics theory is introduced into the fault tree. The calculation provides reference for the system design and management.

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Periodical:

Advanced Materials Research (Volumes 945-949)

Pages:

1094-1097

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.945-949.1094

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Online since:

June 2014

Authors:

Na Qu, Zhong Hai Li, Nai Wei Cheng, Jian Wei Li

Keywords:

Failure Risk, Fault Tree Analysis (FTA), Fuzzy Evaluation, Security System

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