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Application of FTA based on SDG-HAZOP for production of polypropylene

中国安全生产科学技术 2013年第8期9卷 152-155页

作者： ZHAO Shi-ping CHEN Zheng-cai XUAN Ai-guo HUANG Ting-ze School of Computer Sicence & Engineering Wuhan Institute of Technology School of Chemical Engineering & Pharmacy Wuhan Institute of Technology

The SDG-HAZOP(Signed Directed Graph,Hazard and Operability Analysis) is a qualitative safety assessment method,which is comprehensive,systematic and *** the result is tedious and *** tree analysis(FTA) is a logical and diagrammatic method,which is proved to be a useful quantitative analysis tool to evaluate the safety and reliability of complex *** a FTA based on SDG-HAZOP quantitative method was proposed in this ***,the SDG-HAZOP and the FTA were established on the background of polypropylene production devices in the Sinopec Wuhan ***,the probability of top event was calculated by reliable data from the probability of basic ***,the targeted measures were proposed to prevent fatal potential dangerous situations by probability calculation.

关键词： SDG-HAZOP fault tree analysis(FTA) polypropylene probability top event

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Method of Key Rating Ascertainment for Space Software based on Fuzzy Synthetic Evaluation and Quantitative Fault Tree Analysis

Method of Key Rating Ascertainment for Space Software based ...

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2012 National Conference on Information Technology and Computer Science

作者： Li Yang Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences CIOMP Changchun,China Song Kefei Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences CIOMP Changchun,China

Software key rating ascertainment is very important in development of space *** can guide manager develop the congruent software using the optimal benefit-cost ratio in *** can also provide the direction in software measurement,and help designer improve system reliability *** view of space software characteristics and quantitative data shortage,a method of key rating ascertainment for space software based on fuzzy synthetic evaluation and quantitative fault tree analysis is *** results of application to space software development show that the new approach makes software key rating ascertainment have the quantificational evidence,which is ascertained using quantitative data and qualitative analysis.

关键词： space software key rating fuzzy synthetic evaluation quantitative fault tree analysis (QFTA) bottom event top event

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