Browsing by Autor "Jaume Llibre"

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    Qualitative behaviour analysis of feedback-controlled Buck-Boost power converters thru three different techniques
    (Universitat Autònoma de Barcelona, 2018) Keiver Josué Sosa Albornoz; Jaume Llibre; Mario Spinetti Rivera; Eliezer Colina-Morles
    This work is based on the comparison of three techniques for analyzing the qualitative behaviour of nonlinear dynamic systems, including the study of their finite and infinite equilibrium points. The qualitative techniques used are: the direct method of Lyapunov, The theorems of Dickson and Perko for second order quadratic differential systems and the linearization around finite equilibrium points. These techniques provide information about the local or global stability of nonlinear systems. The state feedback controlled Buck-Boost power converter will be used as a case of study.