FUNCTION_BLOCK worker

VAR_INPUT
 form1: REAL;
 form2: REAL;
 points: REAL;
END_VAR

VAR_OUTPUT
 result: REAL;
END_VAR

FUZZIFY form1
 RANGE := (0.000 .. 5.000);
 TERM bad := (1,1)(3,0);
 TERM avg := (1,0)(2,1)(3,1)(4,0);
 TERM great := (3,0)(5,1);
END_FUZZIFY

FUZZIFY form2
 RANGE := (0.000 .. 5.000);
 TERM bad := (1,1)(3,0);
 TERM avg := (1,0)(2,1)(3,1)(4,0);
 TERM great := (3,0)(5,1);
END_FUZZIFY

FUZZIFY points
 RANGE := (-30.000 .. 30.000);
 TERM low := (-20,1)(-5,0);
 TERM avg := (-10,0)(-3,1)(3,1)(10,0);
 TERM high := (10,0)(20,1);
END_FUZZIFY

DEFUZZIFY result
 RANGE := (-1.000 .. 1.000);
 TERM home := (-1,1) (0,0);
 TERM draw := (-0.5,0) (0,1) (0.5,1);
 TERM away := (0,0) (1,1);
 METHOD : COG;
 // ACCU : MAX;
 DEFAULT := 0
END_DEFUZZIFY

RULEBLOCK
 AND : MIN;
 ACCU : MAX;
 ACT : MIN;
 RULE 1 : if form1 is great and form2 is bad then result is home
 RULE 2 : if form1 is bad and form2 is great then result is away
 RULE 3 : if form1 is avg and form2 is avg then result is draw
 RULE 4 : if form1 is great and form2 is great and points is low then result is draw
 RULE 5 : if form1 is great and form2 is avg and points is avg then result is away
 RULE 6 : if form1 is avg and form2 is avg and points is high then result is home
 RULE 7 : if form1 is avg and form2 is avg and points is low then result is away
 RULE 8 : if points is avg then result is away
END_RULEBLOCK

END_FUNCTION_BLOCK