Fault Tree Analysis Video Training

Failure Mode, Effects and Criticality Analysis (FMECA) and Fault Tree Analysis (FTA)

FMECAs and FTAs are popular methods for determining the impact of failures on the product or system. This module focuses on these two popular approaches to system logic analysis. The discussion will begin with a discussion of the MIL-STD-1629 approach and then introduce the commercial IEC and SAE approaches to design FMECA’s. The FTA section focuses on the most popular basic symbols and high level prioritization techniques. The topics include:

  • Terms used in Failure Mode Effect Analysis
  • Criticality Analysis
  • Fault Tree Construction
  • Quantitative and Qualitative Analysis

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Fault Tree Analysis Publication

Fault Tree Analysis

A Fault Tree Analysis (FTA) is essentially a logical representation of all the ways a particular fault, or failure, can occur. In this type of analysis, one identifies a particular failure or fault they are trying to analyze (i.e., a top-level undesired event) and then proceeds to evaluate that condition through a set of intermediary fault states that, if present, would result in that failure. Fault states are assumed to exist when certain events happen. This can be a single event, multiple events or even precursor fault states that can, themselves, be further expanded. The analysis continues until all potential causes of the particular top level failure event have been identified. For this reason, the FTA is referred to as a “top-down” approach.

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Fault Tree Analysis Article

Reliability Engineering Terms – Fault Tree Analysis

Fault Tree Analysis (FTA) is a “top down” assessment of how a product or system failure (or other “undesired event”) can occur based on the behavior of lower-level functions, assemblies, parts, software, and human behavior. The analysis clearly and logically identifies the fault relationships, allowing the identification of design/process weaknesses and the probability of undesirable top-level events occurring.

Read the full article to learn more about Fault Tree Analysis including the payoff and discover how Quanterion Solutions can help your company perform the analysis.

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