Definition(s)
Functioning Analysis
set of activities aiming to analyse how an item performs as required
Note 1 to entry: This is the counterpart of the dysfunctioning analysis which aims to analyse how an item fails when
the functioning analysis aims to analyse how an item works by, e.g. identifying, sorting out and characterizing the
various functions related to the item.
Note 2 to entry: The term “functional” analysis is often used as a synonym of “functioning” analysis. However, the
term “functional analysis” which has several meanings is not used in this Technical Report to avoid confusion.
Source: ISO/TR 12489:2013(E) Reliability modelling and calculation of safety systems. Global Standards