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Current-mode control is commonly used in buck converters. Many current-mode buck converters with variable-frequency controllers have been published for smaller inductance and maintaining efficiency via fast and slow frequency, respectively. However, bandwidth of the current-mode buck converter with fixed compensation coefficients is limited by the lowest switching frequency, thus decreases transient...
A Sliding-Mode (SM) technique for inverter control is proposed, where a discrete-time control action is applied to the duty-cycle of a PWM controller. The design criteria of the SM controller are discussed and are applied to the design of a sinewave inverter, which is implemented both as a model in Scicos environment and in a laboratory prototype. A sensitivity analysis of the inverter operation as...
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