V. Moreno, L. Benadero, A. El Aroudi, R. Giral, J. Calvente
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Three Dimensional Discrete Map for a Single Inductor Current Mode Controlled Dual Switching DC-DC Converter
A 3-dimensional discrete model of a single inductor switching dc-dc converter is obtained in order to explain bifurcations observed after the period 1 dynamics instability. Although a one dimensional model, using the inductor current as a state variable, predicts the first main bifurcation, the voltage of both positive and negative outputs cannot be assumed to be constant to give a more accurate prediction of the subsequent bifurcations, so two more state variables should be used.