Controlling Speed of DC Motor with Fuzzy Controller in Comparison with ANFIS Controller

Aisha Jilani¹, Sadia Murawwat¹, Syed Omar Jilani²

¹Electrical Engineering Department, Lahore College for Women University, Lahore, Pakistan.
²Electrical Engineering Department, University of Lahore, Lahore, Pakistan.

DOI: 10.4236/ica.2015.61008                

Abstract

Machines have served the humanity starting from a simple ceiling fan to higher industrial applications such as lathe drives and conveyor belts. This research work aims at providing an appropriate software based control system because it provides computer featured applications, prevents rapid signal loss, reduces noise while also significantly improves the steady state and dynamic response of the motor. In this research paper, we have worked on DC motors due to its significant advantages over other types of machine drives. We have first individually studied Fuzzy and ANFIS (Adaptive Neuro-Fuzzy Interference System) controller in controlling speed for a separately excited DC motor. Afterwards, we have analyzed both results to conclude that which technique is better to be adopted for precisely controlling the speed of DC motor. Outcomes from MATLAB fuzzy logic toolbox for simulation of our schematic has been provided in this research work. Our study parameters include input voltage of DC motor, its speed, percentage overshoot and rising time of the output signal. Our proposed research has interpreted the outcomes that ANFIS controller is better than Fuzzy controller because it produces less percentage overshoot and causes less distortion of the output signal as the overshoot percentage of ANFIS controller is 8.2% while that of Fuzzy controller is 14.4%.

Keywords

ANFIS, DC Motor, Fuzzy Logic, Percentage Overshoot, Rising Time

Conflicts of Interest

The authors declare no conflicts of interest.

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