Fuzzy-Pid Based Performance Analysis of DC Motor (original) (raw)

2013

Abstract

In this paper, a comparative performance analysis is worked out between fuzzy and conventional PID based control systems for dc motor. Initially, separately-excited dc motor is mathematically modelled. Then, fuzzy logic controller is used to control the speed of separately-excited dc motor. The rule-based fuzzy logic controller does this by armature voltage speed control method of dc motor. The controller and motor system is simulated in MATLAB/SIMULINK. The FLC is designed by using the difference of reference speed and actual speed i.e. the error as an input and rate of change of error as another input. The membership function and rule-base are used to generate the control signal as output of controller in such a way so as to reduce the error. This control signal varies the armature voltage of the dc motor so that motor runs at desired or reference speed input. Secondly, PID controller is used to perform the action of speed control. PID controller is also simulated on SIMULINK/MATL...

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