Abstract
Negative output KY Boost converter is a recently proposed system by K. I. Hwu et. Al. This converter produces low output voltage ripple than the conventional DC-DC negative voltage boosting converters. In this manuscript a Neuro Fuzzy controller is modeled to control the output voltage ripple and to reduce the peak overshoot and settling time of the converter. The results of proposed Neuro Fuzzy controlled negative output KY boost converter with the digital simulation by Matlab/Simulink® shows reduction in voltage ripple from 60 milli Volts of the existing PI controlled system to 3 milli Volts by the proposed Neuro Fuzzy controlled negative output KY boost converter. Also the peak overshoot of the system and its settling time are reduced to a greater extent with the proposed system. DOI: http://dx.doi.org/10.5755/j01.eee.19.6.1983
Highlights
Rapid development of communication systems necessitate reliable negative output DC boosted voltage source
The subsequent sections describe the operation of negative output KY boost converter, design of Neuro Fuzzy controller, the outputs obtained from digital simulation and the comparison of proposed controller output along with the existing technique output
We have taken into consideration of the above said specification to compare the output of the proposed Neuro Fuzzy controller output with the existing one
Summary
Rapid development of communication systems necessitate reliable negative output DC boosted voltage source. The output of boost converters such as Luo converters [1]–[3], Cuk converters [4] produce low output ripple. They require many components when compared to conventional DC-DC boosting converters. Al., produces very low output voltage ripples of around 60 milli volts with lesser components. The ripple content has to be very lower than 10 mV for the communication systems. As a result of this demand we have designed a Neuro Fuzzy controller to minimize the ripple content of negative output KY boost converter which is presented in this paper
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