FUNCTION_BLOCK ocena_dlugosc	

VAR_INPUT				
	dlugosc: REAL;
END_VAR

VAR_OUTPUT				
	ocena : REAL;
END_VAR

FUZZIFY dlugosc
	TERM krotki := (40, 1) (80,0);
	TERM sredni := (60, 0) (90, 1) (120,1) (150,0); 
	TERM dlugi := (130, 0) (170,1); 
END_FUZZIFY


DEFUZZIFY ocena
	TERM slaby := (5,1) (11,0);
	TERM srednia := (9,0) (15,1) (21,0);
	TERM dobry := (19,0) (25,1);
	METHOD : COG;		
	DEFAULT := 0;		
END_DEFUZZIFY

RULEBLOCK No1
	AND : MIN;			
	ACT : MIN;			
	ACCU : MAX;			
	RULE 1 : IF dlugosc is krotki THEN ocena IS dobry;
	RULE 2 : IF dlugosc is sredni THEN ocena IS srednia;
	RULE 3 : IF dlugosc IS dlugi THEN ocena IS slaby;

END_RULEBLOCK

END_FUNCTION_BLOCK