PRODUCTION, TECHNOLOGY AND RESEARCH|technology and technical regulations|industrial manufacturing
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- FTA | fault tree analysis | failure tree analysis | incident sequence analysis
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- Definition deductive (top-down) method of analysis aimed at pinpointing the causes or combinations of causes that can lead to the defined ‘top event’ (the outcome of combinations of all input events) Reference COM-EN, based on:International Electrotechnical Commission. International Standard IEC 61025 Fault tree analysis (FTA), Edition 2.0, 2006-12.
- Comment Fault tree analysis (FTA) is concerned with the identification and analysis of conditions and factors that cause or may potentially cause or contribute to the occurrence of a defined top event. With FTA this event is usually seizure or degradation of system performance, safety or other important operational attributes, while with STA (success tree analysis) this event is the attribute describing the success.FTA is often applied to the safety analysis of systems (such as transportation systems, power plants, or any other systems that might require evaluation of safety of their operation). It can also be used for availability and maintainability analysis.