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Fault Tree Analysis: When to use it

The Quality Toolbook > Fault Tree Analysis > When to use it

When to use it | How to understand it | Example | How to do it | Practical variations

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When to use it

• Use it when the effect of a failure is known, to find how this might be caused by combinations of other failures.
• Use it when designing a solution, to identify ways it may fail and consequently find ways of making the solution more robust.
• Use to identify risks in a system, and consequently identify risk reduction measures.
• Use it to find failures which can cause the failure of all parts of a 'fault-tolerant' system.

Fig. 1. Fault Tree Analysis in problem solving

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