Roberto O. Ramírez

22 papers C 13Journal 7Unranked 2
YearRankTypeTitle / Venue / Authors
2024 J jnl
Feedback Quantizer Improved With Simplified Discrete Space Vector Modulation for Power Converters.
IEEE Access
Eduardo E. Espinosa, Matías Veillón, Christian A. Rojas, Jesús C. Hernández, Pedro E. Melin, Galina Mirzaeva, Carlos R. Baier, Roberto O. Ramírez, Federico Martin Serra, Mauricio Arenas
2024 J jnl
Improved Feedback Quantizer with Discrete Space Vector.
Sensors
Matías Veillón, Eduardo E. Espinosa, Pedro E. Melin, Galina Mirzaeva, Marco Rivera, Carlos R. Baier, Roberto O. Ramírez
2023 J jnl
High Pulsed Voltage Alkaline Electrolysis for Water Splitting.
Sensors
Matías Albornoz, Marco Rivera, Patrick Wheeler, Roberto O. Ramírez
2022 — conf
A Low-Cost Cold Plasma Generator Circuits Designed for Laboratory Applications.
LASCAS
Sergio Diaz, Johan I. Guzman, Claudio Tenreiro, Roberto O. Ramírez, Oscar Hernandez
2022 J jnl
A Predictive Shortest-Horizon Voltage Control Algorithm for Non-Minimum Phase Three-Phase Rectifiers.
IEEE Access
Felipe A. Villarroel, José R. Espinoza, Marcelo A. Pérez, Carlos R. Baier, Jaime Addin Rohten, Roberto O. Ramírez, Esteban S. Pulido, José J. Silva
2022 C conf
A new discretization method of model equations for predictive power converter control applications based on input-state linearization.
IECON
Felipe Villarroel, José R. Espinoza, Marcelo A. Pérez, Daniel G. Sbarbaro-Hofer, Roberto O. Ramírez, Carlos R. Baier
2020 J jnl
A Hybrid FCS-MPC With Low and Fixed Switching Frequency Without Steady-State Error Applied to a Grid-Connected CHB Inverter.
IEEE Access
Roberto O. Ramírez, Carlos R. Baier, Felipe Villarroel, José R. Espinoza, Josep Pou, José Rodríguez
2019 C conf
Hybrid Transformers with Virtual Inertia for Future Distribution Networks.
IECON
Carlos R. Baier, Miguel A. Torres, Marcelo A. Pérez, Roberto Cárdenas, Roberto O. Ramírez, Pedro E. Melin
2019 C conf
Shortest horizon FCS-MPC output voltage tracking in non-minimum phase boost-type converters.
IECON
Felipe Villarroel, José R. Espinoza, Marcelo A. Pérez, Roberto O. Ramírez, Carlos R. Baier, Luis Morán
2016 C conf
Operating region of a power cell in a CHB based topology operating at reduced second harmonic.
IECON
Roberto O. Ramírez, José R. Espinoza, Carlos R. Baier
2015 — conf
Design of an asymmetric multilevel shunt active power filter.
ISIE
Javier Muñoz, Jaime Addin Rohten, Carlos R. Baier, Marco Rivera, Eduardo E. Espinosa, Roberto O. Ramírez
2014 J jnl
A Novel Hybrid Finite Control Set Model Predictive Control Scheme With Reduced Switching.
IEEE Trans. Ind. Electron.
Roberto O. Ramírez, José R. Espinoza, Felipe Villarroel, Eduardo Maurelia, Marcelo E. Reyes
2014 C conf
An efficiency comparison between a 18 pulses diode rectifier and a multi-cell AFE rectifier operating with FCS - MPC.
IECON
Eduardo E. Espinosa, José R. Espinoza, Jaime Addin Rohten, Roberto O. Ramírez, Marcelo E. Reyes, Javier Muñoz, Pedro E. Melin
2014 J jnl
Predictive Controller for a Three-Phase/Single-Phase Voltage Source Converter Cell.
IEEE Trans. Ind. Informatics
Roberto O. Ramírez, José R. Espinoza, Pedro E. Melin, Marcelo E. Reyes, Eduardo E. Espinosa, César A. Silva, Eduardo Maurelia
2013 C conf
A new modulation technique for 15-level asymmetric inverter operating with minimum THD.
IECON
Eduardo E. Espinosa, José R. Espinoza, Roberto O. Ramírez, Jaime Addin Rohten, Felipe Villarroel, Pedro E. Melin, Johan I. Guzman
2013 C conf
A novel hybrid finite control set model predictive control scheme with reduced switching.
IECON
Roberto O. Ramírez, José R. Espinoza, Felipe A. Villarroel, Eduardo A. Maurelia, Marcelo E. Reyes, Eduardo E. Espinosa
2013 C conf
Finite Control Set - Model Predictive Control applied to multicell rectifiers.
IECON
Eduardo E. Espinosa, José R. Espinoza, Roberto O. Ramírez, Marcelo E. Reyes, Pedro E. Melin, Javier Muñoz, Carlos R. Baier
2013 C conf
Improved steady state and transient behavior of static power converters by means of an operating mode identifier algorithm.
IECON
Eduardo Maurelia, José R. Espinoza, Roberto O. Ramírez, Marcelo E. Reyes, Pedro E. Melin, César A. Silva, Javier A. Muñoz
2013 C conf
On the DC inductors size reduction in a multi-cell topology based on current source converters by means of magnetic couplings.
IECON
Pedro E. Melin, Carlos R. Baier, José R. Espinoza, Javier A. Muñoz, Roberto O. Ramírez, Eduardo A. Maurelia
2012 C conf
A novel modulation technique for asymmetric multi-cell inverters of 27-level without regeneration.
IECON
Eduardo E. Espinosa, José R. Espinoza, Felipe Villarroel, Javier Muñoz, Pedro E. Melin, Roberto O. Ramírez
2012 C conf
Improved control scheme towards reduced DC link inductors in a Multi-Cell Topology based on Current Source Converters.
IECON
Pedro E. Melin, José R. Espinoza, Carlos R. Baier, Jaime Addin Rohten, Roberto O. Ramírez, Luis A. Morán
2012 C conf
Multi-cell topology based on voltage-source converters with a reduced DC Capacitor by means of a predictive control scheme.
IECON
Roberto O. Ramírez, José R. Espinoza, Pedro E. Melin, Felipe A. Villarroel, Eduardo E. Espinosa, Marco E. Rivera