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Control of Bifurcations of DC/DC Buck Converters Controlled by Double-Edged PWM Waveform

Soumitro Banerjee, Bashar Zahawi, Volker Pickert, Elbkosh Abdulmajed
Abstract—The nonlinear behaviour of the buck converter controlled by double-edged PWM waveform is studied in this paper. The stability of the system is analyzed using the state transition matrix over one switching cycle (the monodromy matrix) including the state transition matrices during each switching (saltation matrices). Three supervising control methods are applied to extend the normal period one operation of the system. Good agreement is demonstrated between theoretical analysis, numerical simulations and the results are experimentally verified.
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