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Published byCarlie Brockbank Modified about 1 year ago

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Fuzzy Approach

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2 RBS CS 331/531 Dr M M Awais Crisp Vs Fuzzy young 25 age Membership value 1 0 Crisp boundary old

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3 RBS CS 331/531 Dr M M Awais Crisp Vs Fuzzy 25 age Membership value 1 0 Fuzzy boundary old 30 young

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4 RBS CS 331/531 Dr M M Awais Crisp Vs Fuzzy 25 age Membership value 1 0 old 30 young MV of young is 1 MV of old is 0 Fuzzy Young

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5 RBS CS 331/531 Dr M M Awais Crisp Vs Fuzzy 25 age Membership value 1 0 old 30 young Some what young MV varies from 0.5 to 1 0.5

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6 RBS CS 331/531 Dr M M Awais Crisp Vs Fuzzy 25 age Membership value 1 0 Nearly old MV varies from 0.5 to 0 old 30 young Some what young 0.5

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7 RBS CS 331/531 Dr M M Awais Fuzzy Rule Base System Fuzzify each antecedent Find the fuzzy value for the conclusion Defuzzify this value

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8 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Fuzzify the conditions

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9 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value Fuzzify the conditions

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10 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value THERMO Membership value Fuzzify the conclusion

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11 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value THERMO Membership value Find the membership for Temp 20

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12 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value THERMO Membership value Find the membership for humidity 20%

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13 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value THERMO Membership value Transfer the min value as and operator exists between conditions Transfer the values to find the membership value of Thermo

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14 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value THERMO Membership value 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

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15 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value THERMO Membership value Transfer the values to find the membership value of Thermo

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16 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value THERMO Membership value Defuzzify the membership value of Thermo

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17 RBS CS 331/531 Dr M M Awais temp Membership value IF TEMP. 20C and HUMDITY 20% THEN THERMOSTAT HIGH Hum Membership value THERMO Membership value The new thermo setting is 25 after this rule fires

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