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Model-based Fault Tree Automatic Generation Method [PDF]

open access: yesJisuanji kexue, 2021
Model-based safety analysis methods can improve the modeling and analysis capabilities of current complex safety-critical systems.At present,fault tree is widely used in system safety analysis and reliability analysis.Fault tree analysis (FTA) is a top ...
ZHAN Wan-li, HU Jun, GU Qing-fan, RONG Hao, QI Jian, DONG Yan-hong
doaj   +1 more source

Analysis of comprehensive sensitivity evaluation of aircraft system based on FTA-AHP

open access: yesXibei Gongye Daxue Xuebao, 2021
Aiming at the lack of unified evaluation index for the sensitivity analysis of fault tree of the system, the Analytic Hierarchy Process(AHP) is introduced into Fault Tree Analysis(FTA), and an FTA-AHP method is proposed to generate the comprehensive ...
FENG Yunwen   +3 more
doaj   +1 more source

An Innovative Reliability Oriented Approach for Restructured Power System Considering the Impact of Integrating Electric Vehicles and Renewable Energy Resources

open access: yesIEEE Access, 2022
Attributing to the irreplaceable quality of nil carbon footprints, the power system considering the integration of electric vehicles and renewable energy resources are appealing growing attention in the recent time, but the reliability of their ...
Iram Akhtar   +3 more
doaj   +1 more source

Safety Analysis for the Civil Aircraft Emergency Door Based on Latent Failure and Multi-failure Mode Coupling

open access: yesHangkong gongcheng jinzhan, 2021
The emergency door on the wing of a civil aircraft has particularity,and its fault is somewhat concealed,so it is particularly important to analyze its safety reasonably.The evaluation and selection principles of the latent failure of the emergency door ...
ZHU Zhengzheng   +3 more
doaj   +1 more source

Reliability analysis of traction unit of electrical haulage shearer

open access: yesGong-kuang zidonghua, 2018
For the problem that traditional manual reliability analysis method for traction unit of electrical haulage shearer could not find hidden fault real-timely, a reliability analysis method of traction unit of electrical haulage shearer was proposed which ...
GE Hongbing
doaj   +1 more source

An Automated Fault Tree Generation Approach With Fault Configuration Based on Model Checking

open access: yesIEEE Access, 2018
Fault tree generation technology is a key issue for safety analysis of large complex systems. Traditional safety analysis methods usually describe the origin, propagation, or concrete behavior of the fault and do not portray the constraints between ...
Lisong Wang   +4 more
doaj   +1 more source

Failure Analysis and Evaluation of Reinforced Computer Equipment

open access: yesITM Web of Conferences, 2017
Based upon the synopsis of failure analysis and fault tree analysis, this paper puts up the component framework of reinforced computer equipment and typical fault tree, carries out practical analysis and systematic application of failure analysis and ...
Wang Hua, Li Xian-Yu, Zheng Jian-Qun
doaj   +1 more source

A Data-Driven Fault Tree for a Time Causality Analysis in an Aging System

open access: yesAlgorithms, 2022
This paper develops a data-driven fault tree methodology that addresses the problem of the fault prognosis of an aging system based on an interpretable time causality analysis model. The model merges the concepts of knowledge discovery in the dataset and
Kerelous Waghen, Mohamed-Salah Ouali
doaj   +1 more source

Fault Tree Construction Model Based on Association Analysis for Railway Overhead Contact System

open access: yesInternational Journal of Computational Intelligence Systems, 2020
The overhead contact system (OCS) is the power source of electrified railway, it is very important to evaluate the system status accurately to maintain its safe and stable operation.
Kaiyi Qian, Long Yu, Shibin Gao
doaj   +1 more source

Fault diagnosis of mine hoist based on fuzzy fault tree and Bayesian network

open access: yesGong-kuang zidonghua, 2020
In order to solve problems of low efficiency and poor accuracy of existing mine hoist fault diagnosis methods, a fault diagnosis method of mine hoist based on fuzzy fault tree and Bayesian network was proposed.
ZHANG Mei   +3 more
doaj   +1 more source

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