Example $1$: Temperature Control

Objective: Design a fuzzy logic system to control a heater based on room temperature.

Inputs:

Temperature $($in Celsius$)$

Linguistic Terms:

Cold, Comfortable, Hot

Membership Functions:

Triangular for each linguistic term

Rules:

IF Temperature is Cold THEN Heater is High

IF Temperature is Comfortable THEN Heater is Medium

IF Temperature is Hot THEN Heater is Low

Output:

Heater Level $($Crisp value after defuzzification$)|$