Fuzzy Approach. 2 RBS CS 331/531 Dr M M Awais Crisp Vs Fuzzy young 25 age Membership value 1 0 Crisp...
-
Upload
carlie-brockbank -
Category
Documents
-
view
218 -
download
0
Transcript of Fuzzy Approach. 2 RBS CS 331/531 Dr M M Awais Crisp Vs Fuzzy young 25 age Membership value 1 0 Crisp...
CS 331/531 Dr M M Awais 2
RBS
Crisp Vs Fuzzy
young
25
age
Mem
bers
hip
valu
e
1
0
Crisp boundary
old
CS 331/531 Dr M M Awais 3
RBS
Crisp Vs Fuzzy
25
age
Mem
bers
hip
valu
e
1
0
Fuzzy boundary
old
30
young
CS 331/531 Dr M M Awais 4
RBS
Crisp Vs Fuzzy
25
age
Mem
bers
hip
valu
e
1
0
old
30
young MV of young is 1 MV of old is 0
Fuzzy Young
CS 331/531 Dr M M Awais 5
RBS
Crisp Vs Fuzzy
25
age
Mem
bers
hip
valu
e
1
0
old
30
young
Some what youngMV varies from 0.5 to 1
0.5
CS 331/531 Dr M M Awais 6
RBS
Crisp Vs Fuzzy
25
age
Mem
bers
hip
valu
e
1
0
Nearly oldMV varies from 0.5 to 0
old
30
young
Some what young
0.5
CS 331/531 Dr M M Awais 7
RBS
Fuzzy Rule Base System Fuzzify each antecedent Find the fuzzy value for the
conclusion Defuzzify this value
CS 331/531 Dr M M Awais 8
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Fuzzify the conditions
CS 331/531 Dr M M Awais 9
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Hum
Mem
bers
hip
valu
e
Fuzzify the conditions
CS 331/531 Dr M M Awais 10
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Hum
Mem
bers
hip
valu
e
THERMO
Mem
bers
hip
valu
e
Fuzzify the conclusion
CS 331/531 Dr M M Awais 11
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Hum
Mem
bers
hip
valu
e
THERMO
Mem
bers
hip
valu
e
20
0.6
Find the membership for Temp 20
CS 331/531 Dr M M Awais 12
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Hum
Mem
bers
hip
valu
e
THERMO
Mem
bers
hip
valu
e
20
0.6
20
0.3
Find the membership for humidity 20%
CS 331/531 Dr M M Awais 13
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Hum
Mem
bers
hip
valu
e
THERMO
Mem
bers
hip
valu
e
20
0.6
20
0.3
Transfer the min value as and operator exists between conditions
Transfer the values to find the membership value of Thermo
CS 331/531 Dr M M Awais 14
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Hum
Mem
bers
hip
valu
e
THERMO
Mem
bers
hip
valu
e
20
0.6
20
0.3
Transfer the min value as and operator exists between conditions
Min(0.3,0.6)
Transfer the values to find the membership value of Thermo
CS 331/531 Dr M M Awais 15
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Hum
Mem
bers
hip
valu
e
THERMO
Mem
bers
hip
valu
e
20
0.6
20
0.3 0.3
Transfer the values to find the membership value of Thermo
CS 331/531 Dr M M Awais 16
RBS
temp
Mem
bers
hip
valu
e
IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH
Hum
Mem
bers
hip
valu
e
THERMO
Mem
bers
hip
valu
e
20
0.6
20
0.3 0.3
25
Defuzzify the membership value of Thermo