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A NEW TECHNIQUE OF FUZZY CONTROL FOR D.C MOTOR | ||
| AL-TAQANI | ||
| Article 1, Volume 25, Issue 3, 2012, Pages 0-0 | ||
| Author | ||
| Laith A. KHalaf | ||
| Abstract | ||
| This paper presents a design of a multi input single output fuzzy controller (MISOF) to control the speed of a DC motor. The new technique used in this work is by inserting besides the Proportional Integral fuzzy controller another input (wr), which will decide the required base rule in order to get the required firing angle for triggering the thyristor bridge. In this paper, the MISOF controller is designed to control the armature voltage in order to maintain the motor speed. The fuzzy system decides the region of operation according to the required speed, also use the error and change of error of the speed to control the system speed. Simulation results show that the speed response of the DC motor controlled by the MISOF controller have a zero overshoot and zero steady-state error for different values of the reference speed. The paper describes application of fuzzy logic controller in a speed control system that uses a phase-controlled bridge converter and a shunt dc machine. Index terms: - DC motor drive, controlled rectifier, speed control, fuzzy logic controller, PI controller. | ||
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