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%.
Machines have comforted human beings in every walk of life such as scientifically, economically as well as socially. Machines consists of immotile as well certain rotating parts which combine to reduce human efforts into well-founded and pertinent work for example pulleys, blenders,, compressors etc. For every advanced technology of machines its different parameters are needed to be controlled for a competent, productive and faultless system. This paper aims on careful investigation of two advanced type of approaches for controlling speed of universal motor. These two approaches namely Fuzzy technique and ANFIS technique are employed as powerful mechanisms for varying speed based on output graph of step response versus time. A comparative evaluation is then done on the basis of two most important parameters of machines named as percentage overshoot and settling time. Comparative analysis aids in determining the best methodology to be applied in everyday applications for producing unerring, authenticated and unimpeachable systems.
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