Method and apparatus for generating degree of membership in fuzzy inference
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United States of America Patent
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Dec 2, 1997
Grant Date -
N/A
app pub date -
Mar 6, 1996
filing date -
Mar 6, 1996
priority date (Note) -
Expired
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Abstract
A method and apparatus for determining the degree of membership in a fuzzy inference by using a subtractor and a divider without the need for a complicated multiplication, division circuit or software that is normally required in a conventional method. A fuzzy inference database for the degree of membership is first established in a microprocessor by a fuzzy inference method, the membership function in the fuzzy database has a range between 0 to 1 at full scale for the degree of membership function. When the microprocessor detects an input data, a slope distance ratio and the corresponding coordinates are determined and compared using the input data and the fuzzy database established in the microprocessor. The ratio determined by the greatly simplified method is the degree of membership function.
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