1. What is the performance level to be reached?
The key to a successful functional analysis (FA) is to make the right choices, if possible, to enable a complete, time-limited study.
The need expressed by the customer can be broken down into several options. Not all of them are necessarily selected:
for economic reasons;
because current technology does not allow the function to be performed without failure;
because development requires too many resources;
because the study completion deadlines will not be met.
Under these conditions, the need expressed by the customer, and which allows you to achieve total user satisfaction, can have many variations.
You need to translate the user's dream (expressed need)...
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What is the performance level to be reached?
The user's need and perception of the product
Bibliography
Also in our database
Regulatory references
AFNOR NF X 50-100 November 2011: Value Management – Functional analysis, fundamental characteristics – Functional analysis: functional analysis of the need (or external) and technical/product functional analysis (or internal) – Requirements for deliverables and implementation procedures
AFNOR NF X 50-151 September 2007: Value Management – Functional expression...
Website
The " Sciences de l’Ingénieur " website provides comprehensive examples of functional analysis. This link will take you directly to the list of available examples. In the "Resources" tab, type in the keyword "Functional analysis".
Acronyms and abbreviations
IPR: predictive risk index
AF: functional analysis
EME: external environment element
LED: light-emitting diode lamp
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