Defuzzification

 

Defuzzification is a computing process to find out the output of Fuzzy logic from the aggregation result. Each Fuzzy type has a different defuzzification method as listed in the tables below.

 

     Mamdani type

 

No.

Method

Description

1

centroid

Return a x value at centroid of area

2

bisector

Return a x value at bisector of area

3

mom

Mean value of maximum

4

som

Smallest(absolute) x value of maximum

5

lom

Largest(absolute) x value of maximum

 

     Sugeno type

 

No.

Method

Description

1

wtaver

Weighted average value

2

wtsum

Weighted sum value