An improved deadbeat control for UPS using disturbance observers

Abstract

A digital control technique for the inverter stage of uninterruptible power supplies is proposed, which is based on a predictive regulator on both output voltage and inductor current. Its aim is to achieve a deadbeat dynamic response for the controlled variables (output voltage and inverter current). Besides the linear state feedback which allocates system… (More)
DOI: 10.1109/TIE.2004.837912

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