4. Perform functional analysis
It is an essential prerequisite for product FMECA. It aims to :
define what the product must do or what it is made for in the phases of its life cycle, the applications and/or uses retained;
describe how the product works by means of interdependent functional blocks.
Cf. NF EN16271: 2013, ex NF X 50-151, some of whose essential principles for FMECA are recalled here.
4.1 Main and technical functions
Analysis involves identifying and describing functions, and establishing logical relationships between them.
The main functions are those that respond directly to a need.
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Standards and reference works
NF EN 60812:2006 (ex NF X 60-510) System reliability analysis techniques - Procedure for analyzing failure modes and their effects (FMEA)
NF EN16271:2013, (ex NF X 50-151) Value management - Functional expression of need and functional specifications - Requirements for the expression and validation of the need to be satisfied in the process of acquiring...
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