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A two stages robust Generalized PI feedback controller for a single-phase active multilevel rectifier is proposed. The controller is based on the system modeled in the d-q synchronous reference frame. Based on input-output linearization theory a current controller that decouples the d-q components and compensates unknown perturbations is obtained. Performing a transformation of the system, stability...
A control scheme constituted by a nonlinear state feedback current controller and a PI voltage controller for a single-phase active multilevel rectifier is designed. The control is based on the system modeled in the d-q synchronous reference frame. Through input-output linearization theory a current controller that decouples the d-q components is obtained. Stability of zero dynamics is verified. Due...
An active rectifier has two control objectives: current tracking and voltage regulation. Against dynamic nonlinear loads or voltage sags it is difficult to achieve both objectives. This paper deals whit analysis, design and implementation a passivity-based control to track a current reference and a PI controller to regulate de DC bus voltage. Moreover, the bus regulation has adequately performance...
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