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Robust controller for a full-bridge rectifier using the IDA approach and GSSA modeling
Gaviria, César; Fossas Colet, Enric; Griñó Cubero, Robert
Universitat Politècnica de Catalunya. Institut d'Organització i Control de Sistemes Industrials; Universitat Politècnica de Catalunya. ACES - Control Avançat de Sistemes d'Energia
An interconnection-and-damping assignment passivity-based control (IDA-PBC) for a full-bridge rectifier is presented in this paper. The closed-loop system performance fulfils unity power factor in the ac mains and output dc voltage regulation. The controller design takes advantage of the generalized state space averaging (GSSA) modeling technique to convert the quoted nonstandard problem (in actual variables) into a standard regulation one (in GSSA variables). In this approach, the output current is the measured signal instead of the line current; therefore, the number of sensors does not increase in comparison with traditional approaches. The whole system is robust with respect to load variations.
Peer Reviewed
Àrees temàtiques de la UPC::Informàtica::Automàtica i control
Power systems
Closed loop systems
Sistema en bucle tancat
Sistema en bucle cerrado
AC-DC converters
Convertidors AC-DC
Convertidores AC-DC
Generalized state space averaging (GSSA)
Passivity-based control (PBC)

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