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In 2019 both method descriptions were replaced by the new AIAG / VDA FMEA handbook. It is a harmonization of the former FMEA standards of AIAG, VDA , SAE and other method descriptions. [ 21 ] [ 22 ] [ 23 ] As of 2024, the AIAG / VDA FMEA Handbook is accepted by GM , Ford, Stellantis , Honda NA , BMW , Volkswagen Group , Mercedes-Benz Group AG ...
FMEA is a bottom-up, inductive analytical method which may be performed at either the functional or piece-part level. FMECA extends FMEA by including a criticality analysis, which is used to chart the probability of failure modes against the severity of their consequences. The result highlights failure modes with relatively high probability and ...
The Automotive Industry Action Group (AIAG) is a not-for-profit association founded in 1982 and based in Southfield, Michigan. It was originally created to develop recommendations and a framework for the improvement of quality in the North American automotive industry.
VDA (Germany) AIAG (North America) AVSQ (Italy) FIEV (France) SMMT (UK) But due to this regulation a supplier needed to provide two different certificates for Daimler and Chrysler (VDA 6.1 for Germany and QS 9000 America), even though the supplier delivered only to a single company. These complexities accelerated the need for harmonization.
This classification helps defining the safety requirements necessary to be in line with the ISO 26262 standard. The ASIL is established by performing a risk analysis of a potential hazard by looking at the Severity, Exposure and Controllability of the vehicle operating scenario. The safety goal for that hazard in turn carries the ASIL requirements.
The initial FMEDA added additional information to the FMEA process. The first piece of information added in an FMEDA is the quantitative failure data (failure rates and the distribution of failure modes) for all components being analyzed.
Although individual manufacturers have their own particular requirements, the Automotive Industry Action Group (AIAG) has developed a common PPAP standard as part of the Advanced Product Quality Planning (APQP) [1] – and encourages the use of common terminology and standard forms to document project status. [2]
The SSA includes quantitative FMEA, which is summarized into FMES. Normally FMES probabilities are used in quantitative FTA to demonstrate that the hazard probability limits are in fact met. Cutset analysis of the fault trees demonstrates that no single failure condition will result in a hazardous or catastrophic event.