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The verification stage in the fuzzy system design process consists in studying
the behavior of the fuzzy system under development. The aim of this stage is
the detection of probable deviations on the expected behavior and the
identification of the sources of these deviations.
The Xfuzzy environment covers the verification stage with three tools.
The first one
is xfplot, which shows the system behavior by a
two-dimensional or three-dimensional plot.
The monitor tool, xfmt, shows the activation degree
of every linguistic label and logical rule, as well as the value of the
different inner variables, for a given set of input values. The last tool,
xfsim, is aimed at simulating the system within its
actual or modeled operational environment. It allows illustrating the system
evolution by means of a graphical representation of user-selected variables.
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