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In this paper, robust control of the high-gain DC-DC converters are investigated using sliding mode controller (SMC). Different aspects of the closed-loop controller design are studied. Also, state-space average model and different transfer functions of the converter are extracted. It is shown that in direct control of the output voltage, the system has a right half plane zero in the converter transfer...
In this paper a robust sliding mode controller is designed for DC-DC Ćuk converter. Sliding surface of the controller includes all of the system state variables. Hence, proposed controller has four-loop structure. Reference values of the state variables are calculated according to output voltage references using feedforward and feedback control loops. Designed controller can regulate output voltage...
In this paper, a novel approach for two-loop control of the DC-DC flyback converter in discontinuous conduction mode is presented by using sliding mode controller. The proposed controller can regulate output of the converter in wide range of input voltage and load resistance. In order to verify accuracy and efficiency of the developed sliding mode controller, proposed method is simulated in MATLAB/Simulink...
In this paper a novel approach for controlling the output voltage of the isolated flyback converter is presented using sliding mode controller. Due to non-minimum-phase nature of the converter and presence of a right-half-plan-zero in voltage transfer function, indirect regulation of the output voltage is applied. In the designed controller, simultaneous use of output voltage and transformer current...
In this paper, an adaptive nonlinear controller is designed for DC-DC boost converter in Discontinuous Conduction Mode. The proposed controller is developed based on input-output linearization using an adaptive backstepping approach. All of the converter parameters, input voltage, load resistance and other parasitic elements are estimated using a suitable Lyapunov function. Because of non-minimum...
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