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The unified dynamical model of DC-DC buck converter is set up, and then two sliding mode controllers are introduced called conventional sliding mode controller and sliding mode proportional integral derivative (PID) controller. The stability are analyzed for the DC-DC converter system controlled by the sliding mode PID, and the optimum sliding mode PID parameters are determined. Finally, the system...
In this paper we analyze the dynamics and stability of a power electronic two cell DC-DC buck converter for high and medium voltage applications. The system is under voltage mode PWM control with dynamic controller for the output voltage loop. Numerical simulations from the exact circuit model shows that the system can undergo some nonlinear phenomena in the form of bifurcations. Different kinds of...
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