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Failure Mode and Effect Analyses | Daniel Osobu
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Failure Mode and Effect Analyses

Failure Mode and Effect Analyses (FMEA) / Failure Mode, Effect and Criticality Analyses (FMECA)

Definitions:

FMEA/FMECA is a systematic method of analyzing a product design or system to attain the following objectives:

  1. To identify single point failure modes within the product design or system that would cause safety-critical effects and undermine operational safety.
  2. To provide risk mitigation recommendations for such identified safety-critical failure modes.

FMEAs and FMECAs are performed at the component and functional levels.
Component level FMEAs and FMECAs are fastidious, comprehensive and highly
desirable.

Pertinent to FMECA:

Failure modes and effect descriptions are categorized into hazard severity
classifications.

Hazard Severity Classifications includes the following: Catastrophic, Hazardous (or
Critical), Major, Minor and No Effect.

Hazard Severity Classifications are considered System Safety Assessment elements.

FMEA/FMECA Process Flow