Fault tree, event tree, and piping & instrumentation diagram (FEP) editors, version 4.0
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Fault tree, event tree, and piping & instrumentation diagram (FEP) editors, version 4.0 reference manual by

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Published by Division of Safety Issue Resolution, Office of Nuclear Regulatory Research, U.S. Nuclear Regulatory Commission, Supt. of Docs., U.S. G.P.O. [distributor] in Washington, DC .
Written in English


  • Nuclear power plants -- Risk assessment -- Computer programs -- Handbooks, manuals, etc.

Book details:

Edition Notes

Statementprepared by M.K. McKay, N.L. Skinner, S.T. Wood.
GenreHandbooks, manuals, etc.
ContributionsSkinner, N. L., Wood, S. T., U.S. Nuclear Regulatory Commission. Division of Safety Issue Resolution., Idaho National Engineering Laboratory., EG & G Idaho.
The Physical Object
Pagination1 v. (various pagings)
ID Numbers
Open LibraryOL14693970M

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Fault tree analysis (FTA) is a top-down, deductive failure analysis in which an undesired state of a system is analyzed using Boolean logic to combine a series of lower-level events. This analysis method is mainly used in safety engineering and reliability engineering to understand how systems can fail, to identify the best ways to reduce risk and to determine (or get a feeling for) event. Basic Gates. Gates are the logic symbols that interconnect contributory events and conditions in a fault tree diagram. The AND and OR gates described above, as well as a Voting OR gate in which the output event occurs if a certain number of the input events occur (i.e., k-out-of-n redundancy), are the most basic types of gates in classical fault tree analysis. A fault tree diagram is used to conduct fault tree analysis (or FTA). Fault tree analysis helps determine the cause of failure or test the reliability of a system by stepping through a . In Visio On the File menu, point to New, point to Business, and then click Fault Tree Analysis Diagram. From Fault Tree Analysis Shapes, drag the Event shape to the top of the drawing page. Drag a gate shape, such as the Exclusive OR gate, onto the drawing page directly below the first event shape.

In many cases there are multiple causes for an accident or other loss-making event. Fault tree analysis is one analytical technique for tracing the events which could contribute. It can be used in accident investigation and in a detailed hazard assessment. The fault tree is a logic diagram based on the principle of multi-causality, which traces all. Event tree analysis (ETA) is a forward, top-down, logical modeling technique for both success and failure that explores responses through a single initiating event and lays a path for assessing probabilities of the outcomes and overall system analysis. This analysis technique is used to analyze the effects of functioning or failed systems given that an event has occurred. The fault tree analysis is provided in Visual-XSel purely graphically. Moreover additional sym-bols appear in the icon bar on top, if the menu point Data / Fault Tree Analysis is used. There are two kinds of representations. The first one is a free positioning of the FTA-elements. For this use the icons. A free customizable simple fault tree template is provided to benefit our users. Quickly get a head-start when creating your own fault tree. It allows users to print and download in different formats.

CIVE – Engineering and Sustainable Development M. Pandey, University of Waterloo Fault Tree Analysis – Page 4 the occurrence of a top event may or may not lead to a serious or adverse consequence the relative likelihood of a number of potential consequences will depend on the conditions or subsequent events that follow potential consequences can be systematically identified using an event. Isograph FaultTree+ fault tree analysis software has enjoyed extraordinary success since its first release in FaultTree+ provides the most comprehensive and easy to use fault tree analysis, event tree analysis and Markov analysis software on the market. Fault Tree and Event Tree Analysis. Summary. Lists. SCM. R Packages. Fault Tree and Event Tree Analysis: Project Home – R-Forge. Project description. Construction and calculation of fault trees for risk and reliability analysis of both repairable and non-repairable systems. A related set of functions will also build event trees.   A fault tree (FT) is a graphical diagram that uses logic gates to model the various combinations of failures, faults, errors and normal events involved in causing a specified undesired event to occur. The graphical model can be translated into a mathematical model in order to compute failure probabilities and system importance measures. A FT /5(5).