fuzzy logic | englesko - srpski prevod

fuzzy logic


A form of logic used in some expert systems and other artificial-intelligence applications in which variables can have degrees of truthfulness or falsehood represented by a range of values between 1 (true) and 0 (false). With fuzzy logic, the outcome of an operation can be expressed as a probability rather than as a certainty. For example, an outcome might be probably true, possibly true, possibly false, or probably false. See also expert system.
A form of mathematical logic in which truth can assume a continuum of values between 0 and 1.
In mathematics and computing, a form of knowledge representation suitable for notions (such as “hot” or “loud”) that cannot be defined precisely but depend on their context. For example, a jug of water may be described as too hot or too cold, depending on whether it is to be used to wash one’s face or to make tea.
The central idea of fuzzy logic is probability of set membership. For instance, referring to someone 175 cm/5 ft 9 in tall, the statement “this person is tall” (or “this person is a member of the set of tall people”) might be about 70% true if that person is a man, and about 85% true if that person is a woman.
The term “fuzzy logic” was coined in 1965 by Iranian computer scientist Lofti Zadeh of the University of California at Berkeley, although the core concepts go back to the work of Polish mathematician Jan Lukasiewicz in the 1920s. It has been largely ignored in Europe and the US, but was taken up by Japanese manufacturers in the mid-1980s and has since been applied to hundreds of electronic goods and industrial machines. For example, a vacuum cleaner launched in 1992 by Matsushita uses fuzzy logic to adjust its sucking power in response to messages from its sensors about the type of dirt on the floor, its distribution, and its depth. Fuzzy logic enables computerized devices to reason more like humans, responding effectively to complex messages from their control panels and sensors.

1. neodređena logika

ženski rodračunari

Dolaženje do rezultata pomoću pravila koja nisu sasvim striktna, ponekad i pomoću intuicije ili radikalnih ideja. Ova logika izbegava zauzimanje čvrstih stavova. Često je koriste ekspertski sistemi, neuronske mreže. Umesto korišćenja vrednosti kao što je "istinto" ili "neistinito", neodređena logika koristi niz vrednosti koji prodrazumeva "možda", "ponekad" i "zaboravio sam".

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