Predicting the onset of bifurcation and stability study of a hybrid current controller for a boost converter

The proposed method develops a continuous-time averaging model of a nonlinear current controller for a continuous conduction mode (CCM) boost converter in the lack of a closed outer voltage loop. The controller associates peak-current and sliding mode controls. The advantages of the proposed approach are the capability to show the onset of fast-scale bifurcation, and the reduction of numerical calculation effort. To confirm the validity of the proposed method, simulation and experimental results are detailed.