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Fuzzy Logic Fuzzy logic attempts to reflect the human way of thinking.…
Fuzzy Logic
Fuzzy logic attempts to reflect the human way of thinking.
History
Traditional computational logic and set theory is
all about
• true or false
• zero or one
• in or out (in terms of set membership)
• black or white
Fuzzy concepts first introduced by Zadeh in the
(1965)
Working mechanism
Operates on a bunch of IF-THEN statements
Operates similar to human
Characteristics
Everything is matter of degree
Inference is viewed as a process of propagating elastic constraints
Exact reasoning is viewed as a limiting case of approximate reasoning.
Any logical system can be fuzzified
Benefits
The ability to deal with uncertainty and nonlinearity
The ease of implementation
The ease to model your reasoning
The use of linguistic variables
Applications
Photocopiers
Vaccum Cleaners
Nuclear Fusion
Telivision
Speech recognition
Washing machines
Artificial Intelligence
Camera autofocus
Industrial system
System Architecture
Knowledge Base
Inference Engine
Fuzzification Module
Defuzzification Module