UGC-NET | NTA UGC NET 2019 June – II | Question 11

Consider the following methods:
M​ 1 ​ : mean of maximum
M​ 2​ : Centre of area
M​ 3​ : Height method
Which of the following is/are defuzzification method(s)?
(A) Only M1
(B) Only M1 and M2
(C) Only M2 and M3
(D) All M1, M2 and M3

Answer: (D)
Explanation: Defuzzification methods are as follows:
Following defuzzification, methods are known to calculate crisp output
Maxima Methods
1. Height method
2. First of maxima (FoM)
3. Last of maxima (LoM)
4. Mean of maxima(MoM)
Centroid methods:
1. Center of gravity method (CoG)
2. Center of sum method (CoS)
3. Center of area method (CoA)

So all options are correct.
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