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  FUNCTION_BLOCK Fuzzy_FB

      VAR_INPUT

          TimeDay : REAL; (* RANGE(0 .. 23) *)

          ApplicateHost: REAL;

          TimeConfiguration: REAL;

          TimeRequirements: REAL;

      END_VAR

​

      VAR_OUTPUT

          ProbabilityDistribution: REAL;

          ProbabilityAccess: REAL;

      END_VAR

​

      FUZZIFY TimeDay

          TERM inside := (0, 0) (8, 1) (22,0);

          TERM outside := (0, 1) (8, 0) (22, 1);

      END_FUZZIFY

​

      FUZZIFY ApplicateHost

          TERM few := (0, 1) (100, 0) (200, 0);

          TERM many := (0, 0) (100, 0) (200, 1);

      END_FUZZIFY

​

      FUZZIFY TimeConfiguration

          TERM recently := (0, 1) (30, 1) (120, 0);

          TERM long := (0, 0) (30, 0) (120, 1);

      END_FUZZIFY

​

      FUZZIFY TimeRequirements

          TERM recently := (0, 1) (30, 1) (365, 0);

          TERM long := (0, 0) (30, 0) (365, 1);

      END_FUZZIFY

​

      DEFUZZIFY ProbabilityAccess

          TERM hight := 1;

          TERM medium := 0.5;

          TERM low := 0;

          ACCU: MAX;

          METHOD: COGS;

          DEFAULT := 0;

      END_DEFUZZIFY

​

      DEFUZZIFY ProbabilityDistribution

          TERM hight := 1;

          TERM medium := 0.5;

          TERM low := 0;

          ACCU: MAX;

          METHOD: COGS;

          DEFAULT := 0;

      END_DEFUZZIFY

​

      RULEBLOCK No1

          AND : MIN;

          RULE 1 : IF TimeDay IS outside AND ApplicateHost IS few THEN ProbabilityAccess IS hight;

          RULE 2 : IF ApplicateHost IS many THEN ProbabilityAccess IS hight;

          RULE 3 : IF TimeDay IS inside AND ApplicateHost IS few THEN ProbabilityAccess IS low;

      END_RULEBLOCK

​

      RULEBLOCK No2

          AND : MIN;

          RULE 1 : IF ApplicateHost IS many THEN ProbabilityDistribution IS hight;

      END_RULEBLOCK

​

  END_FUNCTION_BLOCK

​