2. Choosing a graphical representation method
Start with the simplest method: the functional tree.
Depending on your company's field of application, and the complexity of your product or system, you may find one or other of these methods easier. Choose the one that suits you best.
2.1 Functional tree
Functions are organized according to the following logic:
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Choosing a graphical representation method
Validate functions
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
AF: functional analysis
FAST: Function Analysis System Technic
SADT: Structured Analysis and Design Technic
APTE ® : the APTE method ® is a registered trademark of APTE.
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