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From: entpm@zeus.bris.ac.uk (TP. Martin)
Subject: Re: Q:Fuzzy variables in equations
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Date: Fri, 16 Sep 1994 08:21:42 GMT
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Howard Clyma (hclyma@engec1.unl.edu) wrote:
: Hi

:   I am working on an application of fuzzy logic control to irrigation 
: where I have equations that work fine for a point measurement, but fail 
: I think that it would be better to use the proven equations with fuzzy 
: variables rather than using fuzzy variables and having to generate all 
: of the rules that govern the system and its processes.  However, I have
: yet to find an example of such a use of fuzzy logic.  If anyone could 
... (etc)

See
Yang, H.Q., H. Yao, and J.D. Jones, Calculating functions of fuzzy numbers.
 Fuzzy Sets and Systems, 1993. 55: p. 273-283.

for a discussion of how to feed fuzzy values through a set of equations;

See
J.F.Baldwin and T.P.Martin, Using Fril and Mathematica to give Advice on 
Engineering Models, Proc EUFIT-94

or Fuzzifying a Target Motion Analysis Model Using Fril and Mathematica,
FUZZ-IEEE 94, pp 1171-75

for examples of fuzzifying crisp equations.


Trevor Martin
