Publications

The list of our journal and conference publications can be found below:
2020
    Journal Publications
  1. Duran, A., Ibaceta, E., Diaz, M., Rojas, F., Cardenas, R., & Chavez, H. (2020). Control of a modular multilevel matrix converter for unified power flow controller applications. Energies, 13(4). https://doi.org/10.3390/en13040953
  2. A. Mora, R. Cardenas, M. Urrutia, M. Espinoza, and M. Diaz, “A Vector Control Strategyto Eliminate Active Power Oscillations in Four-Leg Grid-Connected Converters under Unbalanced Voltages,”IEEE Journal of Emerging and Selected Topics in Power Electronics,vol. 8, no. 2, pp. 1728–1738, jun 2020. https://doi.org/10.1109/JESTPE.2019.2921536
  3. M. A. Shamshuddin, F. Rojas, R. Cardenas, J. Pereda, M. Diaz, and R. Kennel, “Solid statetransformers: Concepts, classification, and control,”Energies, vol. 13, no. 9, p. 2319, may2020. https://www.mdpi.com/1996-1073/13/9/2319
  4. M. Díaz, D. Gormaz-Lobos, C. Galarce-Miranda, F. Valenzuela, F. Rojas, E. Sepulveda, A. Durán, C. Cerda, D. Carrasco, and H. Hortsch, “Strengthening the training of engineersin Chilean universities through practice partnerships: STiNg Project,” inProcedia ComputerScience, vol. 172. Elsevier B.V., jan 2020, pp. 597–602. https://doi.org/10.1016/j.procs.2020.05.076
  5. E. D. Madrid, F. Rojas Lobos, I. Soto, and G. Gatica, “Hysteresis based FSK modulation for visible light communication,” in 2020 South American Colloquium on Visible Light Communications (SACVC).IEEE, jun 2020, pp. 1–6. https://doi.org/10.1109/SACVLC50805.2020.9129893
  6. C. Pineda, J. Pereda, F. Rojas, C. Cerda, X. Zhang, and A. Watson, “Asymmetrical Triangular Current Mode (ATCM) for Bidirectional High Step Ratio Modular Multilevel dc-dc Converter,”IEEE Transactions on Power Electronics, p. 1, 2020. https://doi.org/10.1109/tpel.2019.2957951
  7. S. Neira, J. Pereda, and F. Rojas, “Three-Port Full-Bridge Bidirectional Converter for Hybrid DC/DC/AC Systems,”IEEE Transactions on Power Electronics, p. 1, 2020. https://doi.org/10.1109/TPEL.2020.2990667
  8. Aravena, J., Carrasco, D., Diaz, M., Uriarte, M., Rojas, F., Cardenas, R., & Travieso, J. C. (2020). Design and Implementation of a Low-Cost Real-Time Control Platform for Power Electronics Applications. Energies, 13(6), 1527. https://doi.org/10.3390/en13061527
  9. Conference Publications
  10. V. Yaramasu, K. Milev, A. Dekka, M. Rivera, J. Rodriguez, and F. Rojas, “Modulated Model Predictive Current Control of a Four-Leg Inverter,” in 2020 11th Power Electronics, Drive Systems, and Technologies Conference, PEDSTC 2020. Institute of Electrical and Electronics Engineers Inc., feb 2020. https://doi.org/10.1109/PEDSTC49159.2020.9088499
  11. Luca Tarisciotti, Alessandro Costabeber, Matias Diaz, Roberto Cardenas, Improved Modular Multilevel Converter topology for low voltage variable speed drives, IEEE International Conference on Industrial Technology, Buenos Aires, Argentina.
  12. Skarlett Caceres, Felix Rojas, Karina Barbosa, Tomas De la Cuadra, Matias Diaz, Gustavo Gatica, Fault Detection in Triple Star Bridge Cell Modular Multilevel Converter using Sliding Mode Observer, IEEE International Conference on Industrial Technology, Buenos Aires, Argentina
2019
    Journal Publications
  1. Tomás Durán; Sebastián Neira; Javier Pereda; Felix Rojas, “New dual H-bridge converter for continuous space vector modulation”, IET Power Electronics, jan 2019. 10.1049/iet-pel.2018.5833
  2. F. Rojas, R. Cardenas-Dobson, J. C. Clare, M. Diaz, J. Pereda and R. Kennel, “A Design Methodology of Multi-Resonant Controllers for High Performance 400Hz Ground Power Units, IEEE Transactions on Industrial Electronics. Q1. 10.1109/TIE.2019.2898610
  3. M. Diaz, R. Cardenas, M. Espinoza, F. Rojas, C. Hackl, J. Clare and P. Wheeler, “Vector Control of a Modular Multilevel Matrix Converter Operating in the Full Output-Frequency Range”, IEEE Transactions on Industrial Electronics, vol. 66, no. 7, pp. 5102-5114, July 2019. Q1. 10.1109/TIE.2018.2870367
  4. A. Mora, M. Urrutia, R. Cardenas, A. Angulo, M. Espinoza, M. Díaz and P. Lezana, Model Predictive Control Based Capacitor Voltage Balancing Strategies for Modular Multilevel Converters, IEEE Transactions on Industrial Electronics, vol. 66, no. 3, pp. 2432-2443, March 2019. Q1. 10.1109/TIE.2018.2844842
  5. Conference Publications
  6. Sebastian Wendel, Andreas Geiger, Eyke Liegmann, David Arancibia, Esteban Duran, Thomas Kreppel, Felix Rojas, Flaviu Popp-Nowak, Matias Diaz, Armin Dietz, Ralph Kennel, Bernhard Wagner, “UltraZohm - a Powerful Real-Time Computation Platform for MPC and Multi-Level Inverters”, 5th International Symposium on Predictive Control of Electrical Drives and Power Electronics, Quanzhou, China – May 31 – June 2, 2019.
  7. C. Meléndez, M. Diaz, F. Rojas, R. Cardenas, M. Espinoza, “Control of a Double Fed Induction Generator based Wind Energy Conversion System equipped with a Modular Multilevel Matrix Converter”, International Conference on Ecological Vehicles and Renewable Energies (EVER), Monte-Carlo, 2019.
  8. M. Diaz, E. Ibaceta, A. Duran, C. Melendez, M. Urrutia, R. Cardenas, F. Rojas, “Field Oriented Control of a Modular Multilevel Matrix Converter based Variable Speed Drive”, 21th European Conference on Power Electronics and Applications, Italy, 2019.
  9. M. Espinoza, R. Cardenas, M. Diaz, E. Espina, A. Letelier, A. Mora, “Effects of a Variable dc-Port Voltage on the Half-Bridge-Based Modular Multilevel Converter Applied to Drive Systems”, 21th European Conference on Power Electronics and Applications, Italy, 2019.
  10. M. Urrutia, R. Cardenas, M. Diaz, F. Donoso, E. Espina, A. Mora, “Enhanced Circulating-current Control for the Modular Multilevel Matrix Converter Based on Model Predictive Control”, 21th European Conference on Power Electronics and Applications, Italy, 2019.
  11. Matías Díaz, Diego Gormaz, Claudia Galarce, Francisco Valenzuela, Félix Rojas, Edmundo Sepulveda, Alberto Durán, Carlos Cerda, Dante Carrasco, Hanno Hortsch, “Strengthening the training of engineers in Chilean universities through practice partnerships: STING Project”, 9th World Engineering Education Forum 2019, Chenai, India.
  12. Jonathan Lillo, Felix Rojas, Diego Verdugo, Matias Diaz, Javier Pereda, Gustavo Gatica, Mauricio Espinoza, Dynamic DC-Link Voltage Control of Back to Back Modular Multilevel Converter for Drive Applications, IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society. 10.1109/IECON.2019.8927583
  13. Diego Verdugo, Felix Rojas, Jonathan Lillo, Matias Diaz, Javier Pereda, Gustavo Gatica, Phase-shifted Pulse Width modulation with alternate zeros voltage for parallel connection of H-Bridges for High-Current Low-Voltage applications, IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society. 10.1109/IECON.2019.8927568
  14. Jordan Salgado ; Félix Rojas ; Javier Pereda ; MatÍas DÍaz ; Gustavo Gatica, Linear Control applied to a non-isolated bidirectional DC-DC converter with Interleave technique powered by variable sources, 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)
  15. Carlos Cerda ; Félix Rojas ; Cristian Pineda ; Javier Pereda ; Matias Diaz; Jordan Salgado; Darío Valdés ; Gustavo Gatica, Inductor design for a High performance DC-DC Modular Multilevel Converter, 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)
  16. Matias Malhue ; Matias Diaz ; Felix Rojas ; Enrique Espina ; Roberto Cardenas, A Parallel Fast Delayed Signal Cancellation PLL for Unbalanced and Distorted Grid Applications, 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)
  17. Efrain Ibaceta ; Matias Diaz; Alberto Duran ; Felix Rojas ; Mauricio Espinoza ; Andres Mora, Vector Control of a Modular Multilevel Matrix Converter for Variable-Speed Drive Applications, 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)
  18. Alberto Duran ; Matias Diaz; Efran Ibaceta ; Felix Rojas ; Pat Wheeler, Direct Power Control of Modular Multilevel Matrix Converter for Flexible AC Transmission System Applications, 2019 IEEE CHILEAN Conference on Electrical, Electronics Engineering, Information and Communication Technologies (CHILECON)
2018
    Journal Publications
  1. M. Antonio Espinoza Bolaños, M. Diaz, F. Donoso, A. Letelier and R. Cárdenas, "Control and operation of the MMC-based drive with reduced capacitor voltage fluctuations," in The Journal of Engineering, vol. 2019, no. 17, pp. 3618-3623, 6 2019. 10.1049/joe.2018.8080
  2. 17. M. Diaz, M. Espinosa, F. Rojas, P. Wheeler and R. Cardenas, "Vector control strategies to enable equal frequency operation of the modular multilevel matrix converter," in The Journal of Engineering, vol. 2019, no. 17, pp. 4214-4219, 6 2019. 10.1049/joe.2018.8028
  3. Espinoza, R. Cardenas, J. Clare, D. Soto, M. Diaz, E. Espina and C. Hackl, “An Integrated Converter and Machine Control System for MMC-Based High Power Drives”, IEEE Transactions on Industrial Electronics, vol. 66, no. 3, pp. 2343-2354, March 2019. Q1. 10.1109/TIE.2018.2801839
  4. Conference Publications
  5. D. Verdugo, J. Borquez, K. A. Barbosa, and F. Rojas. Robust Voltage Regulation of a Stand Alone Uncertain Single-Stage Boost Inverter. In 2018 IEEE International Conference on Automation/XXIII Congress of the Chilean Association of Automatic Control (ICA-ACCA), pages 1–5. IEEE, oct 2018. 10.1109/ICA-ACCA.2018.8609797
  6. M. Uddin, G. Mirzaeva, P. Stepien, L. De Lillo, L. Empringham, and F. Rojas. Common Mode Voltage Mitigation in Industrial Three-Phase Inverters Based on Model Predictive Control. In 2018 IEEE Industry Applications Society Annual Meeting (IAS), pages 1–8. IEEE, sep 2018. 10.1109/IAS.2018.8544619
  7. C. Pineda, J. Pereda, X. Zhang, and F. Rojas. Triangular Current Mode for High Step Ratio Modular Multilevel DC-DC Converter. In 2018 IEEE Energy Conversion Congress and Exposition (ECCE), pages 5185–5189. IEEE, sep 2018. 10.1109/ECCE.2018.8558369
  8. M. Uriarte, F. Rojas, M. Diaz, G. Mirzaeva, G. Droguett, “An Overmodulation Algorithm based on SVM for Power Quality Applications,” IEEE ICA-ACCA 2018, Concepcion, Chile. 10.1109/ICA-ACCA.2018.8609750
  9. G. Droguett, F. Rojas, D. Arancibia, M. Diaz, M. Uriarte, G. Mirzaeva, “Nearest Level Control for a three-phase to single-phase Modular Multilevel Converter for Solid State Transformers”, IEEE ICA-ACCA 2018, Concepcion, Chile. 10.1109/ICA-ACCA.2018.8609787
  10. C. Meléndez, M. Diaz, S. Cerda, F. Rojas, H. Chávez, “Frequency Support Control of a Modular Multilevel Matrix Converter based Wind Energy Conversion System”, IEEE ICA-ACCA 2018, Concepcion, Chile. 10.1109/ICA-ACCA.2018.8609738
  11. C. Contreras, D. Guajardo, M. Diaz, F. Rojas, M. Espinoza, R. Cardenas, “Fast Delayed Signal Cancellation based PLL for unbalanced grid conditions,” IEEE ICA-ACCA 2018, Concepcion, Chile. 10.1109/ICA-ACCA.2018.8609741
  12. F. Donoso, M. Espinoza, M. Diaz, A. Letelier and R. Cárdenas, “Back-to-Back Modular Multilevel Converter for drive applications under unbalanced grid conditions”, 20th European Conference on Power Electronics and Applications, Riga, Latvia, 2018. https://ieeexplore.ieee.org/document/8515322
  13. M. Espinoza, F. Donoso, E. Espina, M. Diaz, R. Cárdenas, “A Novel Control Strategy for Modular Multilevel Based Drives Considering the System Operating Point, 20th European Conference on Power Electronics and Applications, Riga, Latvia, 2018. https://ieeexplore.ieee.org/document/8515624
  14. M. Diaz, F. Donoso, R. Cárdenas, M. Espinoza, F. Rojas, A. Mora, P. Wheeler, "Control of modular multilevel cascade converters for offshore wind energy generation and transmission," 2018 Thirteenth International Conference on Ecological Vehicles and Renewable Energies (EVER), Monte-Carlo, 2018, pp. 1-10.10.1109/EVER.2018.8362406
2017
    Conference Publications
  1. M. Diaz, F. Rojas, M. Espinoza, A. Mora, P. Wheeler and R. Cardenas, "Closed loop vector control of the modular multilevel matrix converter for equal input-output operating frequencies," 2017 IEEE Southern Power Electronics Conference (SPEC), Puerto Varas, 2017, pp. 1-6. 10.1109/SPEC.2017.8333629
  2. M. Espinoza, M. Díaz, E. Espina, C. M. Hackl and R. Cardenas, "Control strategies for modular multilevel converters driving cage machines," 2017 IEEE Southern Power Electronics Conference (SPEC), Puerto Varas, 2017, pp. 1-6. 10.1109/SPEC.2017.8333628
  3. F. Rojas, M. Díaz, M. Espinoza and R. Cárdenas, "A solid state transformer based on a three-phase to single-phase Modular Multilevel Converter for power distribution networks," 2017 IEEE Southern Power Electronics Conference (SPEC), Puerto Varas, 2017, pp. 1-6. 10.1109/SPEC.2017.8333627
  4. M. Urrutia, A. Mora, A. Angulo, P. Lezana, R. Cárdenas and M. Diaz, "A novel Capacitor Voltage Balancing strategy for Modular Multilevel Converters," 2017 IEEE Southern Power Electronics Conference (SPEC), Puerto Varas, 2017, pp. 1-6. 10.1109/SPEC.2017.8333630
  5. Journal Publications
  6. M. Diaz, R. Cardenas, M. Espinoza, A. Mora, F. Rojas, J. C. Clare, and P. Wheeler, "Control of Wind Energy Conversion Systems Based on the Modular Multilevel Matrix Converter," in IEEE Transactions on Industrial Electronics, vol. 64, no. 11, pp. 8799-8810, Nov. 2017. 10.1109/TIE.2017.2733467
  7. Espinoza, R. Cardenas, M. Diaz, and J. Clare, "An Enhanced dq-Based Vector Control System for Modular Multilevel Converters Feeding Variable-Speed Drives," in IEEE Transactions on Industrial Electronics, vol. 64, no. 4, pp. 2620-2630, April 2017. Q1 10.1109/TIE.2016.2637894
  8. F. Rojas, R. Kennel, R. Cardenas, R. Repenning, J. C. Clare, and M. Diaz, “A New Space-Vector-Modulation Algorithm for a Three-Level Four-Leg NPC Inverter,” IEEE Trans. Energy Convers., vol. 32, no. 1, pp. 23–35, Mar. 2017. Q1 10.1109/TEC.2016.2605076
  9. F. Rojas, R. Cardenas-Dobson, R. Kennel, J. Clare, and M. Diaz, “A Simplified Space Vector Modulation Algorithm for Four-Leg NPC Converters,” IEEE Transactions on Power Electronics, vol. 32, no. 11, pp. 8371-8380, Nov. 2017. Q1. 10.1109/TPEL.2016.2618061
2016
    Conference Publications
  1. M. Diaz, R. Cárdenas, M. Espinoza, A. Mora, and P. Wheeler, "Modelling and control of the Modular Multilevel Matrix Converter and its application to Wind Energy Conversion Systems," IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, Florence, 2016, pp. 5052-5057. 10.1109/IECON.2016.7793945
  2. M. Diaz, M. Espinoza, A. Mora, R. Cardenas, and P. Wheeler, "The application of the modular multilevel matrix converter in high-power wind turbines," 2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe), Karlsruhe, 2016, pp. 1-11. 10.1109/EPE.2016.7695437
  3. M. Espinoza, R. Cardenas, M. Diaz, A. Mora, and D. Soto, “Modelling and control of the modular multilevel converter in back to back configuration for high power induction machine drives,” in IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, 2016, pp. 5046–5051. 10.1109/IECON.2016.7793979
  4. A. Mora, R. Cárdenas, M. Espinoza, M. Díaz, "Active power oscillation elimination in 4-leg grid-connected converters under unbalanced network conditions," IECON 2016 - 42nd Annual Conference of the IEEE Industrial Electronics Society, Florence, 2016, pp. 2229-2234. 10.1109/IECON.2016.7792960
  5. M. Espinoza, E. Espina, M. Diaz, A. Mora, R. Cárdenas, "Improved control strategy of the modular multilevel converter for high power drive applications in low frequency operation," 2016 18th European Conference on Power Electronics and Applications (EPE'16 ECCE Europe), Karlsruhe, 2016, pp. 1-10. 10.1109/EPE.2016.7695557
  6. Journal Publications
  7. R. Cardenas, M. Diaz, F. Rojas, J. Clare and P. Wheeler, “Resonant Control System for Low-Voltage Ride-Through in Wind Energy Conversion Systems,” IET Power Electron., vol. 9, no. 6, pp. 1–16, May 2016. Q1. 10.1049/iet-pel.2015.0488
2015
    Conference Publications
  1. M. Diaz, R. Cárdenas, B. Mauricio Espinoza, A. Mora, and F. Rojas, "A novel LVRT control strategy for Modular Multilevel Matrix Converter based high-power Wind Energy Conversion Systems," 2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER), Monte Carlo, 2015, pp. 1-11. 10.1109/EVER.2015.7113026
  2. M. Diaz, "First Duoc-UC’s Solar Car," 2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER), Monte Carlo, 2015, pp. 1-11. 10.1109/EVER.2015.7113026
  3. A. Mora, M. Espinoza, M. Diaz, and R. Cardenas, “Model Predictive Control of Modular Multilevel Matrix Converter,” in 2015 IEEE 24th International Symposium on Industrial Electronics (ISIE), 2015, pp. 1074–1079. 10.1109/ISIE.2015.7281621
  4. M. Espinoza, A. Mora, M. Diaz, and R. Cardenas, "Balancing energy and low frequency operation of the Modular Multilevel Converter in Back to Back configuration," 2015 Tenth International Conference on Ecological Vehicles and Renewable Energies (EVER), Monte Carlo, 2015, pp. 1-9. 10.1109/EVER.2015.7113005
  5. Journal Publications
  6. R. Cardenas, M. Diaz, F. Rojas, and J. Clare, “Fast Convergence Delayed Signal Cancellation Method for Sequence Component Separation,” in IEEE Transactions on Power Delivery, vol. 30, no. 4, pp. 2055-2057, Aug. 2015. Q1. 10.1109/TPWRD.2014.2373038
2014
    Conference Publications
  1. M. Diaz and R. Cardenas, "Analysis of synchronous and stationary reference frame control strategies to fulfill LVRT requirements in Wind Energy Conversion Systems," 2014 Ninth International Conference on Ecological Vehicles and Renewable Energies (EVER), Monte-Carlo, 2014, pp. 1-8. Best Paper Award. 10.1109/EVER.2014.6844121
  2. M. Diaz, R. Cardenas, and G. Soto, "4-wire Matrix Converter based voltage sag/swell generator to test LVRT in renewable energy systems," 2014 Ninth International Conference on Ecological Vehicles and Renewable Energies (EVER), Monte-Carlo, 2014, pp. 1-10. 10.1109/EVER.2014.6844123
  3. Journal Publication
  4. M. Diaz, R. Cárdenas, F. Rojas, and J. Clare, “3-Phase 4-wire matrix converter-based voltage sag/swell generator to test low-voltage ride through in wind energy conversion systems,” IET Power Electron., vol. 7, no. 12, pp. 3116–3125, Dec. 2014. Q1. 10.1049/iet-pel.2014.0065.
  5. M. Diaz and R. Cárdenas-Dobson, “Dual current control strategy to fulfill LVRT requirements in WECS,” Int. J. Comput. Math. Electr. Electron. Eng., vol. 33, no. 5, pp. 1665–1677, Aug. 2014. Q4. 10.1108/COMPEL-09-2013-0305
2013
    Conference publications
  1. M. Diaz and R. Cardenas, “The application of resonant controller to fulfill LVRT requirements in grid connected VSI," 2013 Eighth International Conference and Exhibition on Ecological Vehicles and Renewable Energies (EVER), Monte Carlo, 2013, pp. 1-8. 10.1109/EVER.2013.6521528
  2. M. Diaz and R. Cardenas, "Matrix Converter based Voltage Sag Generator to test LVRT capability in renewable energy systems," 2013 Eighth International Conference and Exhibition on Ecological Vehicles and Renewable Energies (EVER), Monte Carlo, 2013, pp. 1-7. Best Paper Award. 10.1109/EVER.2013.6521629
  3. F. Rojas-Lobos, R. Kennel, and R. Cardenas-Dobson. 3D-SVM algorithm and capacitor voltage balancing in a 4-leg NPC converter operating under unbalanced and non-linear loads. In 2013 15th European Conference on Power Electronics and Applications (EPE), pages 1–10. IEEE, sep 2013. Best Paper Award. 10.1109/EPE.2013.6634684
  4. M. Diaz and R. Cardenas, “The application of resonant controller to fulfill LVRT requirements in grid connected VSI," 2013 Eighth International Conference and Exhibition on Ecological Vehicles and Renewable Energies (EVER), Monte Carlo, 2013, pp. 1-8. 10.1109/EVER.2013.6521528
2012
Conference Publications
  1. F. Rojas, R. Kennel, and J. Rodriguez. Virtual Flux Based Finite Set Predictive Power Control of a Neutral Point Clamped Rectifier. In 2012 IEEE International Energy Conference and Exhibition (ENERGYCON), pages 57– 62. IEEE, sep 2012. 10.1109/EnergyCon.2012.6348219
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