Computer Science – Other Computer Science
Scientific paper
2010-05-14
Computer Science
Other Computer Science
3 Pages, 4 Figures, TENCON-1993, Beijing, 1993, Region 10 International Conference on 'Computers, Communications, Control and
Scientific paper
Today manufacturers are using fuzzy logic in everything from cameras to industrial process control. Fuzzy logic controllers are easier to design and so are cheaper to produce. Fuzzy logic captures the impreciseness inherent in most input data. Electromechanical controllers respond better to imprecise input if their behavior was modeled on spontaneous human reasoning. In a conventional PID controller, what is modeled is the system or process being controlled, whereas in the Fuzzy logic controller, the focus is the human operator behavior. In the first case, the system is modeled analytically by a set of differential equations and their solutions tells the PID controllers how to adjust the system's control parameters for each type of behavior required 3. In the Fuzzy controller these adjustments are handled by a Fuzzy rule based expert system. A logical model of the thinking process a person might go through in the course of manipulating the system. This shift in focus from process to person involved changes the entire approach to automatic control problems.
Feng Wu Geng
Iyengar Sitharama
Karnik N. N.
Mengale N. M.
Menon S. B.
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