Examinando por Autor "Albea Sanchez, Carolina"
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- PublicaciónSólo datosHybrid control scheme for a half-bridge inverter(IFAC-PapersOnLine, 2017-10-01) Albea Sanchez, Carolina; López-Santos, Oswaldo; Zambrano-Prada, David; Gordillo, Francisco; García, GermainThis paper presents a control law based on Hybrid Dynamical Systems (HDS) theory for electronic inverters. This kind of systems are very suited for the use of such theory since they combine both kind of signals: continuous (voltages and currents) and discrete (on-off state of switches). Unlike previous applications of HDS to power converters, the studied problem can be considered as a tracking problem since the objective is to generate a desired ac voltage from a dc source. The effectiveness of the resultant control law is validated by means of simulations and experiments.
- PublicaciónSólo datosOn the Practical Stability of Hybrid Control Algorithm With Minimum Dwell Time for a DC-AC Converter(IEEE Xplore, 2018-10-05) Albea Sanchez, Carolina; López-Santos, Oswaldo; Gordillo, Francisco; Zambrano-Prada, David; García, GermainThis brief presents a control law based on a hybrid dynamical systems theory for a dc-ac converter. This theory is very suited for an analysis of power electronic converters, since it combines continuous (voltages and currents) and discrete (on-off state of switches) signals avoiding, in this way, the use of averaged models. Here, practical stability results are induced for this tracking problem, ensuring a minimum dwell time associated with an Linear–Quadratic Regulator (LQR) performance level during the transient response and an admissible chattering around the operating point. The effectiveness of the resultant control law is validated by means of experiments.