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In this paper, a quantitative feedback theory (QFT) was applied successfully to design a robust controller for a DC-DC buck converter operating in continuous conduction mode (CCM) and discontinuous conduction mode (DCM). The controller is designed to provide optimum attenuation of the load disturbances in spite of practical limitations on the achievable closed-loop performance and in the presence...
Exploiting control engineering tools in power electronics applications would effectively improve modeling and design. This paper presents an alternative approach to formulating the modified transfer functions of DC-DC switched converters due to impedance interactions caused by interconnected subsystems. Switched-mode converter, input filter and load are modeled using the two-port modeling technique,...
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