Chapter 14. MATLAB Applications in Fuzzy Logic Systems

Everything is vague to a degree you do not realize till you have tried to make it precise.

—Bertrand Russell

Learning Objectives

  • Advantages and concepts of Fuzzy Logic System.

  • The linguistic variables, fuzzy sets and their membership functions (MFs) (trimf, trapmf, guassmf, gbellmf).

  • Comparison of fuzzy and binary operations (OR, AND NOT).

  • The method of representing knowledge in fuzzy systems through If-Then rules and concept of rule matrix.

  • To learn about fuzzy inference system (FIS) components.

    • Fuzzification of input variables

    • Application of Fuzzy Operators

    • Mapping Degree of Matching to Fuzzy Outputs

    • Aggregation of Outputs

    • Defuzzification

  • Washing Machine Problem Solution using the GUI Fuzzy tool ...

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