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An adaptive fuzzy sliding-mode (AFSM) control system is developed to control parallel DC-DC boost converters. The AFSM control system that combines a fuzzy adaptation technique with sliding mode control to enhance robustness and sliding performance in a class of uncertain multi-input multi-output (MIMO) nonlinear systems is proposed. Using an online adaptation scheme, a fuzzy sliding mode controller...
In view of nonlinearity and unstable zero-dynamics existing in Boost type DC/DC converter when using capacitor voltage as output, there is a great limitation on its performance, such as low-bandwidth and sluggish dynamic response. This paper, based on input-output feedback linearization, proposes a novel scheme of nonlinear control strategy. This strategy can not only solve the nonlinearity and unstable...
In this paper the nonlinear average current control for a DC-DC buck converter is presented in both continuous conduction mode (CCM) and discontinuous conduction mode (DCM). The outer voltage control loop uses a PI controller. In the present control scheme, switch current is being sensed instead of inductor current. Sensing of the switch current instead of inductor current is particularly attractive...
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