6. Mandatory function search methods
6.1 Informal, spontaneous search
Study a product or a product idea by taking it apart, observing it, imagining the user and how it's used.
Then write down all the functions.
This method requires a good knowledge of the product or product idea, but is accessible to all.
The group may be asked to work either with the existing physical product, or on a product to be designed, but avoid any further information so as to start by working on the broadest possible imagination.
Don't set yourself any strict frameworks, to avoid being blocked by the use of a particular method or other limitations and constraints.
The tools used are based on brainstorming in groups, then sorting...
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Mandatory function search methods
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Bibliography
Also in our database
Regulations
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 of need...
Websites
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".
INPI (the Soleau envelope in practice) is available...
Acronyms and abbreviations
AF: functional analysis
AFE: external functional analysis
AFI: internal functional analysis
FAST: Function Analysis System Technic
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