The fuzzy controller has four main components:(1) Therule-base"holds the knowledge, in the form of a set of rules of how best to control the system (2) The inference mechanism evaluates which control rules are relevant at the current time and then decides what the input to the plant should be (3 )The fuzzification interface simply modifies the inputs so that they can be interpreted and compared to the rules in the rule -base.(4) the defuzzification interface converts the conclusions reached by the inference mechanism into the inputs to the plant.11 The fuzzy controller has four main components: (1) The "rule-base" holds the knowledge, in the form of a set of rules, of how best to control the system. (2) The inference mechanism evaluates which control rules are relevant at the current time and then decides what the input to the plant should be. (3) The fuzzification interface simply modifies the inputs so that they can be interpreted and compared to the rules in the rule-base. (4) the defuzzification interface converts the conclusions reached by the inference mechanism into the inputs to the plant