jFuzzyLogic/fcl/qurat.fcl

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2014-12-19 14:30:46 +01:00
FUNCTION_BLOCK Libcfuz // Block definition (there may be more than one block per file)
VAR_INPUT // Define input variables
Age : REAL;
Lactation : REAL;
END_VAR
VAR_OUTPUT // Define output variable
rISk : REAL;
END_VAR
FUZZIFY Age // Fuzzify input variable 'Age': {'young', 'mature' , 'old'}
TERM young := (0, 1)(10,1) (30, 1) (40, 0) ;
TERM mature:= (30, 0) (40,1) (60,1) (70,0);
TERM old := (60, 0) (70, 1) (90,1);
END_FUZZIFY
FUZZIFY Lactation // Fuzzify input variable 'Lactation': { 'low', 'medium','full' }
TERM low := (0, 1) (2,1) (6, 1) (10,0);
TERM medium := (6,0) (10,1) (16,1) (20,0);
TERM full := (16,0) (20,1) (24,0);
END_FUZZIFY
DEFUZZIFY rISk // Defzzzify output variable 'rISk' : {'verylow',low', 'medium', 'high','veryhigh' }
TERM verylow := (0,1) (5,1) (10,0);
TERM low := (5,0) (10,1) (25,1) (30,0);
TERM medium := (25,0) (30,1) (45,1) (50,0);
TERM high := (45,0) (50,1) (75,1) (80,0);
TERM veryhigh := (75,0) (80,1) (95,1) (100,0);
METHOD : COG; // Use 'Center Of Gravity' defuzzification method
DEFAULT := 0; // Default value IS 0 (if no rule activates defuzzifier)
END_DEFUZZIFY
RULEBLOCK No1
ACCU : MAX; // Use 'max' accumulation method
AND : MIN; // Use 'min' for 'and' (also implicit use 'max' for 'or' to fulfill DeMorgan's Law)
ACT : MIN; // Use 'min' activation method
RULE 1 : IF Age IS old AND Lactation IS low THEN rISk IS veryhigh;
RULE 2 : IF Age IS old THEN rISk IS high;
RULE 3 : IF Age IS old AND Lactation IS full THEN rISk IS low;
/* In thIS it picks Rule2 When given the in put it should pick Rule3 with the given input */
RULE 4 : IF Age IS young THEN rISk IS low;
RULE 5 : IF Age IS mature THEN rISk IS veryhigh;
RULE 6 : IF Lactation IS medium THEN rISk IS medium;
RULE 7 : IF Lactation IS full THEN rISk IS low;
RULE 8 : IF Lactation IS low THEN rISk IS veryhigh;
RULE 9 : IF Age IS young AND Lactation IS medium THEN rISk IS low;
RULE 10 : IF Age IS young AND Lactation IS full THEN rISk IS verylow;
RULE 11 : IF Age IS mature AND Lactation IS low THEN rISk IS veryhigh;
RULE 12 : IF Age IS mature AND Lactation IS medium THEN rISk IS high;
RULE 13 : IF Age IS mature AND Lactation IS full THEN rISk IS low ;
RULE 14: IF Age IS old AND Lactation IS low THEN rISk IS high;
RULE 15: IF Age IS old AND Lactation IS medium THEN rISk IS medium;
RULE 16: IF Age IS old AND Lactation IS full THEN rISk IS low;
RULE 17 : IF Age IS young AND Lactation IS low THEN rISk IS medium;
END_RULEBLOCK
END_FUNCTION_BLOCK