This is an introductory module to explain what the term
fuzzy is and why fuzzy logic is used to solve control problems.
First, the difference between the crisp binary valued logic and
the fuzzy logic is explained by introducing the grade of truth.
This is deepened by considering control system design with unknown
information and with descriptions using rules and linguistic
terms. The main ideas of the fuzzy control methodology is sketched
and summarised in five steps, which are followed in the other
Module objectives. When you have completed this module you should be able to: