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Fault Tree Analysis (FTA)

Perform detailed FMEDA and Fault Insertion Tests (FIT)

Typically a FMEDA is supported by means of fault insertion tests where specific component failures are simulated to confirm the existence of assumed diagnostics and to determine exact behavior in situations where that behavior is not trivial from the design.

The outcome of this service is a Fault Insertion Tests specification that meets all IEC 61508 requirements for such a document.

exida Tools
  • FIT guideline
  • Exida Safety Analysis Tool SILcal

SILcal is an analysis tool which shall help and support hardware designers of safety-related systems. It allows tracking of critical failure modes which can be the basis for fault insertion tests.

see also: Failure Modes Effects and Diagnostic Analysis

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