Modeling and Nonlinear Dynamical Analysis of the Cuk converter under Free-Running Current-Programmed Control

In this paper, a sliding-mode variable structure model is proposed for studying the nonlinear dynamical behaviors of the free-running current-programmed Cuk converter. Conditions for the occurrence of various bifurcations are derived analytically, along with simulation results that illustrate the theoretical findings. This paper provides useful information for the stability design of Cuk converters under free-running current-programmed control and illustrates the application of the nonlinear analysis method to a specific type of plant.

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