Salazar-Duque, John E.

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Evaluating different control schemes for improving the efficiency in low power converters used in reduced-space systems
(2016-07) Salazar-Duque, John E.; Ortiz-Rivera, Eduardo I.; College of Engineering; Serrano Rivera, Guillermo; Andrade Rengifo, Fabio; González Llorente, Jesús D.; Department of Electrical and Computer Engineering; Torres Garcia, Wandaliz
The DC/DC converters are one of the main blocks of most electronic systems, allowing communication between energy sources and the rest of the system. The DC / DC converters are widely used systems because they allow power control by controlling the input voltage, control of the output voltage, and optimization of energy systems such as solar cells. This thesis presents the analysis, design, implementation and comparison of some control techniques applied to these DC / DC converters. Specifically, control techniques are evaluated in terms of efficiency and response times on the DC/DC SEPIC converter (Single Ended Primary Inductor Converter ) in order to determine suitability for use in reduced space systems where these parameters determine an important factor in the performance. As a case study, the use of a DC/DC converter is evaluated on a CubeSat (U-class spacecraft). These systems are miniature satellites used for space exploration and thanks to its low cost and level of implementation has become an essential tool for research.