58 lines
1.3 KiB
Plaintext
58 lines
1.3 KiB
Plaintext
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FUNCTION_BLOCK LarsenTrustFewRules
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VAR_INPUT
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WTV : REAL;
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OW : REAL;
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AC : REAL;
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END_VAR
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VAR_OUTPUT
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trustworthiness : REAL;
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END_VAR
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FUZZIFY WTV
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TERM nothing := GAUSS 0 1;
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TERM minimal := GAUSS 1 1;
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TERM partially := GAUSS 2 1;
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TERM satISfactory := GAUSS 3 1;
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TERM largely := GAUSS 4 1;
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TERM fully := GAUSS 5 1;
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RANGE := (-4.0 .. 9.0); // Added range for WTV
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END_FUZZIFY
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FUZZIFY OW
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TERM low := GAUSS 0 1;
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TERM medium := GAUSS 2.5 1;
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TERM high := GAUSS 5 1;
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RANGE := (-4.0 .. 9.0); // Added range for OW
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END_FUZZIFY
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FUZZIFY AC
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TERM low := GAUSS 0 1;
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TERM medium := GAUSS 2.5 1;
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TERM high := GAUSS 5 1;
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RANGE := (-4.0 .. 9.0); // Added range for AC
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END_FUZZIFY
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DEFUZZIFY trustworthiness
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TERM nothing := 0;
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TERM minimal := 1;
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TERM partially := 2;
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TERM satISfactory := 3;
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TERM largely := 4;
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TERM fully := 5;
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METHOD : COGS;
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DEFAULT := 0;
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RANGE := (0.0 .. 5.0); // Added range for trustworthiness
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END_DEFUZZIFY
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RULEBLOCK No1
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ACCU : MAX;
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AND : MIN;
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RULE 1 : IF WTV IS fully AND OW IS high AND AC IS high THEN trustworthiness IS fully;
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RULE 2 : IF WTV IS satISfactory AND OW IS high THEN trustworthiness IS satISfactory;
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RULE 3 : IF WTV IS nothing AND AC IS NOT low THEN trustworthiness IS nothing;
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END_RULEBLOCK
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END_FUNCTION_BLOCK
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