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Christian Alexis Rojas Monrroy

Research Professor

Universidad Tecnica Federico Santa Maria

Valparaiso, Chile

Líneas de Investigación


EV Powertrains, grid-connected photovoltaic conversion systems, energy storage systems for electromobility, advanced digital control, multilevel transformerless inverters, variable speed drives and model predictive control of power converters

Educación

  •  Power Electronics, Universidad Tecnica Federico Santa Maria. Chile, 2013
  •  Electronics Engineer, Universidad de Concepción. Chile, 2009
  •  Engineering Sciences, UNIVERSIDAD DE CONCEPCION. Chile, 2007

Experiencia Académica

  •   Teaching Assistant Part Time

    UNIVERSIDAD DE CONCEPCION

    Engineering

    Concepcion, Chile

    2005 - 2005

  •   Teaching Assistant Part Time

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Valparaiso, Chile

    2011 - 2011

  •   Lecturer Part Time

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Valparaiso, Chile

    2013 - 2013

  •   Lecturer Part Time

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Valparaiso, Chile

    2014 - 2014

  •   Lecturer Part Time

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Valparaiso, Chile

    2016 - 2016

  •   Lecturer Full Time

    UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

    Valparaiso, Chile

    2019 - A la fecha

Experiencia Profesional

  •   Assistant Electrical Maintenance Planner Full Time

    Candelaria Mining

    Copiapo, Chile

    2006 - 2006

  •   Computer Services Consultant Part Time

    Universidad de Concepción

    Concepcion, Chile

    2008 - 2008

  •   Research Assistant on Power Electronics FONDECYT Project 1100404 Part Time

    Universidad Técnica Federico Santa Maria

    Valparaiso, Chile

    2009 - 2010

  •   Research Assistant on Power Electronics FONDECYT 1080059 Part Time

    Universidad de Concepcion

    Concepcion, Chile

    2008 - 2009

  •   Research Assistant on Power Electronics Part Time

    Universidad Técnica Federico Santa Maria

    Valparaiso, Chile

    2010 - 2012

  •   Postdoctoral Research Full Time

    SERC-Chile, FONDAP 15110019

    Valparaiso, Chile

    2013 - 2016

  •   Visiting Fellow Full Time

    Ryerson University, REDES Project 130112

    Toronto, Canada

    2014 - 2014

  •   Consultant Part Time

    ADROX Company, AC3E BASAL Project FB0008

    Valparaiso, Chile

    2015 - 2015

  •   Principal Investigator Full Time

    UTFSM, FONDECYT Research Initiation Project 11140209

    Valparaiso, Chile

    2014 - 2016

  •   Consultant Part Time

    Ministerio de Energía, Superintendencia de Electricidad y Combustibles, AC3E BASAL Project FB0008

    Valparaiso, Chile

    2016 - 2016

  •   Researcher Part Time

    TMEIC-Japan, AC3E BASAL Project FB0008

    Valparaiso, Chile

    2017 - 2017

  •   Technical Reviewer Part Time

    Ministerio de Energía, Superintendencia de Electricidad y Combustibles, AC3E BASAL Project FB0008

    Valparaiso, Chile

    2014 - 2014

  •   Research Associate Full Time

    AC3E, BASAL Project FB0008

    Valparaiso, Chile

    2016 - 2017

  •   Research Assistant Part Time

    ARC Discovery Project RG140543

    Sydney, Australia

    2017 - A la fecha

  •   Visiting Fellow Full Time

    University of New South Wales

    Sydney, NSW, Chile

    2017 - 2018

  •   Researcher Part Time

    University of New South Wales

    Sydney, NSW, Australia

    2018 - 2018

  •   Researcher Full Time

    Universidad Tecnica Federico Santa Maria

    Valparaiso, Chile

    2019 - A la fecha

  •   Research Professor Full Time

    Universidad Tecnica Federico Santa Maria

    Valparaiso, Chile

    2019 - A la fecha

  •   Consultant Part Time

    GIZ GmbH, Ministerio de Energía, AC3E BASAL Project FB0008

    Valparaiso, Chile

    2019 - 2019

  •   Consultant Part Time

    GIZ GmbH, Ministerio de Energía, AC3E BASAL Project FB0008

    Valparaiso, Chile

    2019 - 2020

  •   Research Adjunct Part Time

    SERC-Chile, FONDAP Project 15110019

    Valparaiso, Chile

    2019 - A la fecha

  •   Research Associate Part Time

    AC3E, BASAL Project FB0008

    Valparaiso, Chile

    2020 - A la fecha

Formación de Capital Humano


[1] January 2017, Final Project Main-Supervisor, Fernando Ruiz Carmona, “Modelado de un Sistema de Almacenamiento basado en un banco de SuperCondensadores”, Universidad Técnica Federico Santa María.

[2] January 2017, Final Project Main-Supervisor, Mario López Cáceres, “Diseño de tarjetas de comunicación para equipo dSPACE MicroLabBox 1202/1302”, Universidad Técnica Federico Santa María.

[3] June 2016 Final Project Main-Supervisor, Juan Astorga Concha, “Control Predictivo Multiobjetivo de un Convertidor H-NPC Trifásico”, Universidad Técnica Federico Santa María.


Premios y Distinciones

  •   Engineering Faculty Award

    UNIVERSIDAD DE CONCEPCION

    Chile, 2009

    Graduated with highest distinction of Electronics Engineering. Graduates ranking: 2/44

  •   Student Recognition Award

    Escuela Técnico Profesional - Fund. U.D.A. Copiapo

    Chile, 2002

    Recognition as an outstanding student in Electricity Curse.

  •   Best Doctoral Thesis Award

    ACADEMIA CHILENA DE CIENCIAS

    Chile, 2014

    Best Doctoral Thesis Award from Chilean Academy of Sciences 2014 among of all Science Disciplines, Academia Chilena de Ciencias, Santiago, Chile.

  •   IEEE TPEL 2017 Outstanding Reviewer Appreciation

    Institute of Electrical and Electronics Engineers

    Estados Unidos, 2017

    Selected as one of ten IEEE Transactions on Power Electronics Outstanding Reviewers of 2017. IEEE Applied Power Electronics Conference and Exposition (APEC) 2018, San Antonio, TX, USA


 

Article (31)

Binary Search-Based Flexible Power Point Tracking Algorithm for Photovoltaic Systems
Enhanced Switching Frequency Control in FCS-MPC for Power Converters
Current Control of Interleaved DC-DC Converter Considering a Current Dependent Inductance
Five- Level T-type Cascade Converter for Rooftop Grid-Connected Photovoltaic Systems
Five-Level T-type Cascade Converter for Rooftop Grid-Connected Photovoltaic Systems
Leakage Current Elimination PWM Method for Fault-Tolerant String H-NPC PV Inverter
On the Impact of Transients on Multistep Model Predictive Control for Medium-Voltage Drives
Sub-modular Power Optimizers Based on Partial Power Converters for Utility Scale PV Plants
DC-DC MMC for HVdc Grid Interface of Utility-Scale Photovoltaic Conversion Systems
Leakage Current Attenuation of a Three-Phase Cascaded Inverter for Transformerless Grid-Connected PV Systems
Switching Frequency Regulation for FCS-MPC Based on a Period Control Approach
Experimental Validation of a Single DC Bus Cascaded H-Bridge Multilevel Inverter for Multistring Photovoltaic Systems
Leakage Current Mitigation in Photovoltaic String Inverter Using Predictive Control With Fixed Average Switching Frequency
Medium-Voltage Power Converter Interface for Multigenerator Marine Energy Conversion Systems
Multiobjective Fuzzy-Decision-Making Predictive Torque Control for an Induction Motor Drive
Full Predictive Cascaded Speed and Current Control of an Induction Machine
Power Production Losses Study by Frequency Regulation in Weak-Grid-Connected Utility-Scale Photovoltaic Plants
An Operating Condition-Based Scheme to Alternate Between Control Strategies for Improved Steady-State and Transient Behavior
Predictive Control of an Induction Machine Fed by a Matrix Converter With Increased Efficiency and Reduced Common-Mode Voltage
Review of predictive control methods to improve the input current of an indirect matrix converter
A Comparative Assessment of Model Predictive Current Control and Space Vector Modulation in a Direct Matrix Converter
Methods of source current reference generation for predictive control in a direct matrix converter
Multiobjective Switching State Selector for Finite-States Model Predictive Control Based on Fuzzy Decision Making in a Matrix Converter
Predictive Torque and Flux Control Without Weighting Factors
State of the Art of Finite Control Set Model Predictive Control in Power Electronics
Control of a Matrix Converter With Imposed Sinusoidal Source Currents
Current Control for an Indirect Matrix Converter With Filter Resonance Mitigation
High-Performance Control Strategies for Electrical Drives: An Experimental Assessment
Imposed Sinusoidal Source and Load Currents for an Indirect Matrix Converter
Predictive Current Control With Input Filter Resonance Mitigation for a Direct Matrix Converter
Simple Carrier-Based PWM Technique for a Three-to-Nine-Phase Direct AC-AC Converter

ConferencePaper (34)

Dealing with suboptimality in multistep model predictive control for transient operations
Instantaneous Zero Sequence Voltage for Grid Energy Balancing under Unbalanced Power Generation
Harmonic interaction modelling of multiple utility-interactive multilevel photovoltaic systems
Impedance norton modelling of utility-interactive multilevel photovoltaic systems
Model Predictive Control of a Multi-String LCL- Type Grid-Connected H -NPC PV Converter
Finite Control Set Model Predictive Control Assisted by a Linear Controller for True Parameter Uncertainty Compensation
Cascade-Free Model Predictive Control of a Grid-Tie Multilevel Photovoltaic System
A comparison of discrete-time models for model predictive control of induction motor drives
Comparison of single-phase T-type multilevel converters for grid-connected PV systems
Leakage current reduction of transformerless three-phase cascaded multilevel PV inverter
Multiobjective Fuzzy Predictive Torque Control of an induction machine fed by a 3L-NPC inverter
Multiobjective Fuzzy Predictive Torque Control of an induction motor drive
Multiobjective Predictive Control of a three-phase seven-level cascaded H-bridge converter for grid-connected photovoltaic systems
Photovoltaic DC-DC converter for direct power interface to copper electrorefining process
Predictive control of an H-NPC converter for single-phase rooftop photovoltaic systems
Cascaded Predictive Speed Control
Five-level H-bridge NPC central photovoltaic inverter with open-end winding grid connection
Reactive Power Control Using a Carrier-Based Modulation for Cascaded Matrix Converter
A simple modulation scheme for a three-phase direct matrix converter
A Simple Modulation Scheme for a Regenerative Cascaded Matrix Converter
Application of fuzzy decision making to the switching state selection in the predictive control of a direct matrix converter
Recent Contributions of Predictive Control in Power Electronics and Drives
A multiobjective ranking based finite states model predictive control scheme applied to a direct matrix converter
A simple and effective solution for superior performance in two-level four-leg voltage source inverters: Predictive voltage control
Model predictive control of a doubly fed induction generator with an indirect matrix converter
Model predictive control of three-phase four-leg neutral-point-clamped inverters
Predictive control of a direct matrix converter operating under an unbalanced ac source
Predictive control of source and load currents in a direct matrix converter
Predictive current control applied to a matrix converter: An assessment with the direct transfer function approach
Predictive current control of three-phase two-level four-leg inverter
Predictive current control with reactive power minimization in an indirect matrix converter
Predictive torque and flux control of an induction machine fed by an indirect matrix converter
Predictive torque and flux control of an induction machine fed by an indirect matrix converter with reactive power minimization
Predictive control with active damping in a direct matrix converter

EditorialMaterial (1)

Comments on Predictive Torque Control of Induction Machines Based on State-Space Models

Proyecto (15)

CONICYT/PAI/SIA Project PAI77180032
Becas Conicyt Postdoctorado Extranjero 2016-74170048
Safety Critical Applications
AC3E, BASAL Project FB0008
UNSW Addressing Barriers to Efficient Renewable Integration
AC3E Basal Project FB0008
MULTIOBJECTIVE MODEL PREDICTIVE CONTROL OF GRID-CONNECTED PHOTOVOLTAIC CONVERTERS
Multiobjective Model Predictive Control of Grid-Connected Photovoltaic Converters
Chilean Solar Energy Center
Chilean Solar Energy Research Center
Laboratory for Electric Drive Applications and Research, LEDAR at Ryerson University
High Performance Control of Electrical Machine
HIGH PERFORMANCE CONTROL OF ELECTRICAL MACHINES
Multiobjective Finite Control-Set Model Predictive Torque Control and Stator Flux of an Induction Machine
CONTROL OF INDIRECT MATRIX CONVERTERS
69
Christian Rojas

Research Professor

Electronics

Universidad Tecnica Federico Santa Maria

Valparaiso, Chile

15
José Rodríguez

Full Professor

Facultad de Ingeniería

Universidad Andres Bello

Santiago, Chile

13
Marco Rivera

Full Professor

Electrical Engineering

UNIVERSIDAD DE TALCA

Curicó, Chile

13
José Espinoza

Profesor Titular

Eléctrico

UNIVERSIDAD DE CONCEPCION

Concepcion, Chile

13
Samir Kouro

Associate Professor

Department of Electronic Engineering

Universidad Tecnica Federico Santa Maria

Valparaiso, Chile

7
Marcelo Pérez

Profesor Asociado

Electronics

Universidad Tecnica Federico Santa Maria

Valparaiso, Chile

5
Cesar Silva

Profesor Adjunto (Associate Professor)

Departamento de Electrónica

UNIVERSIDAD TÉCNICA FEDERICO SANTA MARÍA

Valparaiso, Chile

5
Alan Wilson

Investigador Postdoctoral

Centro Avanzado de Ingeniería Eléctrica y Electrónica

Valparaíso, Chile

2
Sebastián Rivera

Profesor Asociado

Universidad de los Andes

Santiago, Chile

2
Nicolás Müller

Académico

Facultad de Ciencias de la Ingeniería

Universidad Austral de Chile

Valdivia, Chile

1
CRISTIAN GARCIA

Assistance Professor

Electrical Engineering

Universidad de Talca

Curico, Chile

1
Javier Muñoz

Profesor Asociado

Departamento de Ingeniería Eléctrica

UNIVERSIDAD DE TALCA, FACULTAD DE INGENIERIA, DEPTO. TECNOLOGÍAS INDUSTRIALES

Curicó, Chile

1
Carlos Baier

Profesor Asociado

Departamento de Electromecánica y Conversión de Energía

Universidad de Talca

CURICO, Chile

1
Eduardo Espinosa

Profesor Asistente

Ingeniería Eléctrica

UNIVERSIDAD CATOLICA DE LA SANTISIMA CONCEPCION

Concepcion, Chile

1
Pablo Acuña

Lecturer

Electrical Engineering

Universidad de Talca

Curico, Chile

1
Daniel Sbarbaro

Professor

Electrical Engineering

Universidad de Concepcion

Concepcion, Chile

1
Pedro Melin

Profesor Asociado

Ingeniería Eléctrica y Electrónica

Universidad del Bio-Bio

Concepcion, Chile

1
Hugues Renaudineau

Researcher

UNIVERSIDAD TECNICA FEDERICO SANTA MARIA

Valparaiso, Chile