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1. FUZZY LOGIC

• Well suited when we can’t get an exact mathematical model (like we did with Laplace transforms)

• Based on a set of rules, and some fuzzy descriptions about the problem.

• We examine each rule, and each set, and then determine how much each rule applies, and then perform an operation as a combination of the rule effects.

• The fuzzy logic controller works like the PID before (except it does more)

• This methods has been applied to control of servo motors [Li and Lau, 1988].