Integrating FMEAs, FMEDAs, and Fault Trees for Functional Safety

Integrating FMEAs, FMEDAs, and Fault Trees for Functional Safety

The system, hardware, and software FMEAs, as currently implemented, do not have functions / requirements that are currently linked or a failure flow down along the structure of the product. This linked structure allows the FMEA, FTA, and FMEDA to be linked and related to each other. Completing the FMEA completes half of the FTA or the FMEDA and vice versa. Subsequent development completing the FMEA, FTA or the FMEDA will flow to the other documents.

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