Comparison between Proportional Integral Derivative Controller and Fuzzy Logic Controller for DC Servomotor

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ABSTRACT

This study presents a comparative study of two controllers for position and speed control of DC servomotor. PID controller is the most usually used for the position control in DC servomotor. However, the PID controller has some disadvantages such as: the high starting overshoot, slow response for unexpected disturbance and high sensitivity to the controller gain. So, the reasonably design PID controller with computational optimization approach method is proposed to overcome the disadvantage of the conventional PID controller. In this study, fuzzy logic controller is proposed and the performance of both controllers are compared. Simulation results are presented and analyzed for both controllers. In this study it is observed that the fuzzy login controller has a better response than a PID controller for position and speed control of DC servomotor.

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