Article Dans Une Revue IEEE Control Systems Letters Année : 2023

Hybrid Control of Self-Oscillating Resonant Converters With Three-Level Input

Résumé

We propose a hybrid feedback law inducing self-oscillating behavior in second-order resonant converters. With our controller, the converter switches at the resonant frequency of its tank, without the need of external oscillators. In addition, the output amplitude can be adjusted by a reference signal ranging from zero to π /2. The amplitude modulation is then performed while maintaining an approximately constant switching frequency. Theoretical results show uniqueness and almost global asymptotic stability of a nontrivial hybrid limit cycle. Experimental results show that a circuit implementing the new controller successfully matches the desirable simulated behavior.

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hal-03985922 , version 1 (13-02-2023)

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Nicola Zaupa, Carlos Olalla, Isabelle Queinnec, Luis Martínez-Salamero, Luca Zaccarian. Hybrid Control of Self-Oscillating Resonant Converters With Three-Level Input. IEEE Control Systems Letters, 2023, 7, pp.1375-1380. ⟨10.1109/LCSYS.2023.3240887⟩. ⟨hal-03985922⟩
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