Análisis de la dinámica de un convertidor Boost controlado con ZAD

2019 
En la presente tesis doctoral se realiza un estudio analitico y numerico sobre la dinamica de un convertidor Boost cuando es controlado con la tecnica ZAD. Se hizo una discretizacion del sistema (mapa de Poincare), la cual consiste en tomar un muestreo del mismo en cada periodo de conmutacion. Con esta metodologia se determina la existencia de orbitas nT- periodicas y su respectiva estabilidad. La estabilidad de las orbitas 1T-periodicas se realiza tambien mediante el calculo analitico de los Exponentes de Floquet. Se muestra la presencia de caos mediante simulacion numerica de los Exponentes de Lyapunov. El caos es controlado mediante las tecnicas FPIC y TDAS. Se determina la presencia de una bifurcacion tipo Big-Bang y se demuestra parcialmente el fenomeno de adicion de periodo / Abstract: In this thesis a study of the dynamics of a Boost converter with ZAD strategy is done. The study was done using both pulse width modulators CPWM as well as LPWM. We did a discretization of the system taking a sample of the system in each switching period (Poincare map). We can determine the existence of nT-periodic orbits and his respective stability with this methodology. The stability of 1T-periodic orbits is realized also by means of the analytical calculation of Floquet Exponents. The presence of chaos is done by numerical simulation of Lyapunov Exponents. The chaos is controlled both with FPIC as well as TDAS techniques. The presence of Big-Bang bifurcation is showed and the addition period phenomenon is partially obtained.
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