Fuzzy Logic PID Control of Automatic Voltage Regulator System

Aye Aye Mon
February 2009
Proceedings of World Academy of Science: Engineering & Technolog;Feb2009 Supplement, Vol. 50, p40
Academic Journal
The application of a simple microcontroller to deal with a three variable input and a single output fuzzy logic controller, with Proportional - Integral - Derivative (PID) response control built-in has been tested for an automatic voltage regulator. The fuzzifiers are based on fixed range of the variables of output voltage. The control output is used to control the wiper motor of the auto transformer to adjust the voltage, using fuzzy logic principles, so that the voltage is stabilized. In this report, the author will demonstrate how fuzzy logic might provide elegant and efficient solutions in the design of multivariable control based on experimental results rather than on mathematical models.


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