Quasi-periodicity and nonlinear phenomena in open and closed loop boost DC/DC converters are analysed. A new discrete time nonlinear mapping, the impact map, which models closed loop DC/DC converters is presented and compared with the usual stroboscopic map. Also, it is shown that the converter can exhibit complicate periodic behavior and quasi-periodicity both in open loop, when stimulated by a suitable external sinusoidal disturbance, and in closed loop with an appropriate choice of the state feedback gains. Simulation results show that in the closed loop case Naimarck-Sacker bifurcation and self-sustained tori can be obtained.

Quasi-Periodic Behaviors in DC-DC Converters

GLIELMO L;F. VASCA
1996-01-01

Abstract

Quasi-periodicity and nonlinear phenomena in open and closed loop boost DC/DC converters are analysed. A new discrete time nonlinear mapping, the impact map, which models closed loop DC/DC converters is presented and compared with the usual stroboscopic map. Also, it is shown that the converter can exhibit complicate periodic behavior and quasi-periodicity both in open loop, when stimulated by a suitable external sinusoidal disturbance, and in closed loop with an appropriate choice of the state feedback gains. Simulation results show that in the closed loop case Naimarck-Sacker bifurcation and self-sustained tori can be obtained.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/20.500.12070/10271
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