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