GoFuzzy

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Definition

// This line defines an input variable that the fuzzy system will use, 
// in this case, "temperature".
DEFINE temperature (
    // This defines a "fuzzy set" or a state named "hot" for the temperature variable.
    // The "hotness" is 0 at 20 degrees and increases linearly to 100% at 30 degrees.
    TERM hot LINEAR (20, 30),
    // This defines a "fuzzy set" or a state named "ok" for the temperature variable.
    // The "okayness" is 0 at 15 degrees and less, is 100% between 18 and 21 degrees and decreases after.
    TERM ok TRAPEZOID (15, 18, 21, 25),
    // This defines another fuzzy set named "cold".
    // The "coldness" is 100% at 0 degrees and decreases linearly to 0% at 16 degrees.
    TERM cold LINEAR (16, 0)
);

// This defines the output variable for our system, 
// which is the air conditioner's mode.
DEFINE ac_mode (
    // This defines a possible output state for the AC, in this case, "heating".
    // It varies between 0 and 100, 100 indicating full heating power.
    TERM heating LINEAR (0, 100),
    // This defines a other possible output state for the AC, "stopped"
    // It varies between -50 and 50, 0 indicating a fully stopped AC.
	TERM stopped TRIANGULAR (-50, 0, 50),
    // This defines the other possible output state for the AC, "cooling".
    // It varies between 0 and -100, -100 indicating full cooling power.
    TERM cooling LINEAR (0, -100)
);

// This is a fuzzy rule that connects an input to an output.
// It states that if the temperature is considered "hot", 
// then the AC mode should be set to "cooling".
IF temperature IS hot THEN ac_mode IS cooling;

IF temperature IS ok THEN ac_mode IS stopped;

IF temperature IS cold THEN ac_mode IS heating;

GoFuzzy

Definition

Inputs

Results