On the practical stability of hybrid control algorithm with minimum dwell-time for a DC-AC converter

Abstract : This paper presents a control law based on Hybrid Dynamical Systems (HDS) theory for a dc-ac converter. This theory is very suited for analysis of power electronic converters, since they combine 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 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 simulations and experiments.
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Carolina Albea Sanchez, Oswaldo Lopez Santos, David A. Zambrano Prada, Francisco Gordillo, Germain Garcia. On the practical stability of hybrid control algorithm with minimum dwell-time for a DC-AC converter. IEEE Transactions on Control Systems Technology, Institute of Electrical and Electronics Engineers, 2019, 27 (6), pp.2581-2588. ⟨10.1109/TCST.2018.2870843 ⟩. ⟨hal-01730522v2⟩

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