Standard

SAE 2017-01-0325

Mar 2017 Current

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Language English

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Abstract

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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Standard from SAE International
Published: March 28 2017
Document type: IS
Pages
ISBN:

Publisher: SAE International
Distributor: SAE International

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Abstract

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