14.1. Introduction

The concept of Fuzzy Logic was conceived by Lotfi Zadeh, a Professor at the University of California, Berkley. He presented it not as a control methodology, but as a way of processing data by allowing an element to have partial membership of a set. He explained that human reasoning process does not require precise, numerical information input, and yet is capable of performing complex tasks such as natural language understanding and difficult decision-making. Fuzzy Logic provides a simple way to arrive at a definite conclusion based upon vague, ambiguous, imprecise, noisy or missing input information. Fuzzy Logic’s approach mimics how a person would make decisions with imprecise and incomplete information.

What is Fuzzy Logic? ...

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