Comparison of Fuzzy PID Controller with Conventional PID Controller in Controlling the Speed of a Brushless DC Motor

Authors: S. Sunisith   Lizi Joseph and   M. Saritha


Abstract

Brush less DC motors are widely used for many industrial applications because of their high efficiency, high torque and compact size. The proposed speed controlling technique used to control the speed of a brushless DC motor is based on proportional integral derivative controller and Fuzzy proportional integral derivative controller. This paper describes the overview of performance of conventional proportional integral derivative controller and Fuzzy proportional integral derivative controller. It is difficult to tune the parameters and get satisfied control characteristics by using normal conventional proportional integral derivative controller. As the Fuzzy has the ability to satisfy control characteristics and it is easy for computing in order to control the Brushless DC motor. Fuzzy proportional integral derivative controller is designed to control the speed of Brushless DC motor. The modeling, control and simulation of the Brush less DC motor have been done using the software package MATLAB to control the speed of Brushless DC motor. The results proved that a Fuzzy proportional integral derivative controller is better than Conventional proportional integral derivative controller.

Index Terms

Fuzzy Proportional Integral Derivative and Brushless DC Motor, Speed Control

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Comparison of Fuzzy PID Controller with Conventional PID Controller in Controlling the Speed of a Brushless DC Motor