Fuzzy Expert System Shell

Ioannis Dokas (civil@otenet.gr)
Mon, 21 Jun 1999 16:29:13 +0200 (MET DST)

I HOPE THIS MAIL IS READ BY EVERYONE THIS TIME

In the literature there are several forms describing the fuzzy set
operations:

Union
Intersection
Implication.

Besides, there are several composition methods of fuzzy relations and as
T.J. Ross mentions in his book: Fuzzy Logic With Engineering
Applications,

ďEach method of composition reflects a special inference machine and has
its own significance and applicationsĒ.

Additionally, taking into consideration the numerous defuzzification
methods and the non-existence of specific algorithms for the
determination of the most suitable membership function morphology, Iím
interested in a fuzzy expert system shell that provides the property to
choose (or that gives me the potential to add) any of the existing
methods of:

Fuzzy set operations
Fuzzy set Composition
Defuzzyfication
Membership function morphology (not only trapezoidal Ė triangular- Z
type)

My problem concerns the fault diagnosis of a specific solid waste
management system. Because I donít have any experience in expert systems
in general and especially in fuzzy expert system I canít predict what
kind of fuzzy operations, composition e.t.c. the expert system should
support.

Please sent any recommendations.
Thanks in advance
IOANNIS DOKAS <civil@otenet.gr>

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