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SAE 2017-01-0325 : 2017

Methods for Analyzing Severity Mitigation in FMEA

Standard Details

Severity-mitigating mechanisms (typically software-based) detect failures in a system and perform functions in order to reduce the severities of failures. Various approaches to FMEA analysis of severity-mitigating mechanisms exist within the industry. Three are compared and contrasted. Each method is compared against its ability to capture the three fundamental failures of a system that has severity-mitigating mechanisms: 1 a failure occurs and mitigating action is taken, 2 a failure occurs and mitigating action is not taken, 3 no failure occurs but mitigating action is taken. One method is advocated over the others because it: uses existing FMEA formatting; addresses all three cases; supports consistent linkage between FMEAs in a hierarchy of systems with any number of layers.

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General Information

Status : ACTIVE
Standard Type: Main
Document No: SAE 2017-01-0325 : 2017
Document Year: 2017

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ACTIVE
SAE 2017-01-0325 : 2017
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