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All Journal International Journal of Power Electronics and Drive Systems (IJPEDS)
Augusti Lindiya
SASTRA University,
Control & Systems Engineering Electrical & Electronics Engineering

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Compensator Based Perfromance Enhancement Strategy for a SIQO Buck Converter Augusti Lindiya; S Palani; K Vijayarekha
International Journal of Power Electronics and Drive Systems (IJPEDS) Vol 7, No 3: September 2016
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1900.161 KB) | DOI: 10.11591/ijpeds.v7.i3.pp800-815

Abstract

This paper attempts to design lag and lag-lead compensators for improving the performance of a Single Inductor Quad Output (SIQO) dc-dc buck converter in terms of time domain and frequency domain specifications. It develops the state space averaged model to find the duty ratio of the desired output voltages at steady state. The exercise arrives at the transfer function model from the state space averaged model through the use of its lumped small signal equivalent circuit which allows analyzing the performance of the system in frequency and time domains. The responses are derived in the MATLAB/Simulink® using discrete components incorporating compensators of the converter. The hardware results obtained using Data Acquisition Module DT9834® interfaced to MATLAB/Simulink® and prototype model establish the performance of the compensator based converter and further emphasize its ability to minimize the ripples over a range of operating loads. 
Co-Authors K Vijayarekha S Palani