Re: fuzzy -- in disquise?


Subject: Re: fuzzy -- in disquise?
From: Will Dwinnell (predictor@compuserve.com)
Date: Thu Jun 08 2000 - 20:49:45 MET DST


HX Li wrote:
"Unfortunately, fuzzy set theory is nothing else but an interpolation algorithm
in disguise."

I am always leery of assertions that attack this way: it is "nothing more
than..." Let's even assume for a moment that this statement is true. Is it not
still possible that some of the tools developed in the fuzzy logic field are
useful (even, if "only" as ways of developing "interpolation algorithms"?).

Taking the pragmatic perspective, either useful things can be done with fuzzy
logic or they cannot. If they can, then extremely broad "criticisms" such as the
above are philosophical. The record to date for fuzzy logical solutions to real
problems is impressive.

Last, how much credibility should we assign a statement such as the following?

"Prof. Dr. Hongxing Li of Beijing Normal
University has proven it in his paper:
"Relationship Between Fuzzy Controllers and PID Controllers""

Does this paper "prove" that all types of fuzzy logical systems are useless? The
title alone suggests otherwise.

Will Dwinnell
predictor@compuserve.com

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