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Failure Mode Effects and Criticality Analysis (FMECA)

Definition - What does Failure Mode Effects and Criticality Analysis (FMECA) mean?

Failure mode effects and criticality analysis (FMECA) is a quantitative analysis applied to mechanical and electrical systems in order to determine the consequences of failure, as well as the probability of such failures. It is used to determine the appropriate safeguards that should be implemented in order to counteract failures as well as the appropriate planned maintenance protocols that should be applied to mechanical and electrical systems. It is a structured approach that is applied to risk assessment that examines single, internally controllable failure modes that are not linked to human error.

Safeopedia explains Failure Mode Effects and Criticality Analysis (FMECA)

An FMECA indicates which mechanical and electrical failures have the highest probability of occurring and which of these would have the most severe consequences. The analysis aims to identify high-value remedial efforts that should be applied in order to prevent or mitigate failures and their associated consequences. The FMECA also provides guidelines that indicate where process or equipment redesign should be prioritized. The concept was first initiated by NASA as a process used to determine what consequences may be implicit in the failure of space hardware. Today, it is the most widely used system in the performance of reliability analyses.

This definition was written in the context of EH&S Safety

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