Data

NameGarcía Franquelo, Leopoldo
DepartmentIngeniería Electrónica
Knowledge areaTecnología Electrónica
Professional categoryCatedrático de Universidad
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  Statistics

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    149

  • Visits

    17787

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  Publications

 

Article
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Common-Mode Voltage Mitigation of Dual Three-Phase Voltage Source Inverters in a Motor Drive Application

Márquez Alcaide, Abraham; Wang, Xuchen; Yan, Hao; León Galván, José Ignacio; Monopoli, Vito Giuseppe; Buticchi, Giampaolo; Vázquez Pérez, Sergio; Liserre, Marco; García Franquelo, Leopoldo (Institute of Electrical and Electronics Engineers IEEE, 2021-01-01)
Electric variable speed drives (VSDs) based on two VSDs connected to a multiphase machine are an attractive solution to ...
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Common-Mode Voltage Mitigation Technique in Motor Drive Applications by Applying a Sampling-Time Adaptive Multi-Carrier PWM Method

Márquez Alcaide, Abraham; Yan, Hao; Wang, Xuchen; León Galván, José Ignacio; Portillo Guisado, Ramón Carlos; Buticchi, Giampaolo; Vázquez Pérez, Sergio; Monopoli, Vito Giuseppe; Liserre, Marco; García Franquelo, Leopoldo (Institute of Electrical and Electronics Engineers IEEE, 2021-01-01)
Common-mode voltage (CMV) in electric drives causes leakage current causing consequently EMI problems, loss and reduction ...
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Common-Mode Voltage Harmonic Reduction in Variable Speed Drives Applying a Variable-Angle Carrier Phase-Displacement PWM Method

Marquez Alcaide, Abraham; Giuseppe Monopoli, Vito; Wang, Xuchen; León Galván, José Ignacio; Buticchi, Giampaolo; Vázquez Pérez, Sergio; Liserre, Marco; García Franquelo, Leopoldo (MDPI, 2021-01-01)
Electric variable speed drives (VSD) have been replacing mechanic and hydraulic systems in many sectors of industry and ...
Article
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Applications and Modulation Methods for Modular Converters Enabling Unequal Cell Power Sharing

Giuseppe Monopoli, Vito; Márquez, Abraham; León Galván, José Ignacio; Liserre, Marco; Buticchi, Giampaolo; García Franquelo, Leopoldo; Vázquez Pérez, Sergio (Institute of Electrical and Electronics Engineers, 2021-01-01)
Modular converters based on the connection of multiple power cells have become a competitive solution for many applications ...
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Real-Time Selective Harmonic Mitigation Technique for Power Converters Based on the Exchange Market Algorithm

Márquez Alcaide, Abraham; León Galván, José Ignacio; Laguna García, Marta; Gonzalez Rodríguez, Francisco; Portillo Guisado, Ramón Carlos; Zafra Ratia, Eduardo; Vázquez Pérez, Sergio; García Franquelo, Leopoldo; Bayhan, Sertac; Abu-Rub, Haitham (MDPI, 2020-04-01)
Hand-in-hand with the smart-grid paradigm development, power converters used in high-power applications are facing important ...
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Efficient FPSoC Prototyping of FCS-MPC for Three-Phase Voltage Source Inverters

Zafra Ratia, Eduardo; Vázquez Pérez, Sergio; Guzmán-Miranda, Hipólito; Sánchez Segura, Juan Antonio; Márquez Alcaide, Abraham; León, José Ignacio; García Franquelo, Leopoldo (MDPI, 2020-03-01)
This work describes an efficient implementation in terms of computation time and resource usage in a Field-Programmable ...
Article
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A High-Gain Observer-Based Adaptive Super-Twisting Algorithm for DC-Link Voltage Control of NPC Converters

Shen, Xiaoning; Liu, Jianxing; Márquez Alcaide, Abraham; Luo, Wensheng; León Galván, José Ignacio; Vázquez Pérez, Sergio; García Franquelo, Leopoldo (MDPI, 2020-03-01)
Acting as an interface between the grid and many energy systems, the active front-end (AFE) has been widely used in a large ...
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Integral Sliding-Mode Control-Based Direct Power Control for Three-Level NPC Converters

Lin, Hao; León Galván, José Ignacio; Luo, Wensheng; Márquez Alcaide, Abraham; Liu, Jianxing; Vázquez Pérez, Sergio; García Franquelo, Leopoldo (MDPI, 2020-01-01)
Three-level neutral-point-clamped (NPC) converter is widely used in energy conversion systems due to its good properties ...
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Model Predictive Control of Modular Multilevel Converters Using Quadratic Programming

Yin, Jiapeng; León, José Ignacio; Pérez, Marcelo A.; García Franquelo, Leopoldo; Márquez, Abraham; Vázquez Pérez, Sergio (Institute of Electrical and Electronics Engineers Inc., 2020-01-01)
The finite control set-model predictive control (FCS MPC) has been adopted as an excellent choice for the applications of ...
PhD Thesis
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Advanced control strategies applied to power converters

Wu, Ligang; Liu, Jianxing; García Franquelo, Leopoldo; Luo, Wensheng (2019-09-05)
Los convertidores de potencia basados en interruptores de potencia controlables son equipos indispensables en los sistemas ...
Presentation
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Adaptive phase-shifted PWM for multilevel cascaded H-bridge converters with large number of power cells

Márquez Alcaide, Abraham; León Galván, José Ignacio; Vázquez Pérez, Sergio; García Franquelo, Leopoldo; Kouro, Sqamir (Institute of Electrical and Electronics Engineers Inc., 2017-04-01)
Cascaded H-bridge multilevel converters are usually applied for high-power systems with independent dc sources. It can be ...
Article
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Model Predictive Control for Power Converters and Drives: Advances and Trends

Vázquez Pérez, Sergio; Rodríguez, José; Rivera, Marco; García Franquelo, Leopoldo; Norambuena, Margarita (IEEE, 2017-02-01)
Model predictive control (MPC) is a very attractive solution for controlling power electronic converters. The aim of this ...
Article
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Extended State Observer-Based Sliding-Mode Control for Three-Phase Power Converters

Liu, Jianxing; Vázquez Pérez, Sergio; Wu, Ligang; Márquez Alcaide, Abraham; Gao, Huijun; García Franquelo, Leopoldo (IEEE, 2017-01-01)
This paper proposes an extended state observer (ESO) based second-order sliding-mode (SOSM) control for three-phase two-level ...
Article
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Variable-Angle Phase-Shifted PWM for Multilevel Three-Cell Cascaded H-bridge Converters

Márquez Alcaide, Abraham; León, José Ignacio; Vázquez Pérez, Sergio; Portillo Guisado, Ramón Carlos; García Franquelo, Leopoldo; Freire Macías, Emilio; Kouro, Samir (Institute of Electrical and Electronics Engineers (IEEE), 2017-01-01)
Multilevel cascaded H-bridge converters have become a mature technology for applications where high-power medium ac voltages ...
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A Predictive Capacitor Voltage Control of a Hybrid Cascaded Multilevel Inverter With a Single DC-Link and Reduced Common-Mode Voltage Operation

Rahul, Arun S.; Sudharshan Kaarthik, R.; Gopakumar, K.; García Franquelo, Leopoldo; León, José Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2016-01-01)
For cascaded multilevel inverter topologies with a single dc supply, closed-loop capacitor voltage control is necessary ...
Article
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The Essential Role and the Continuous Evolution of Modulation Techniques for Voltage-Source Inverters in the Past, Present, and Future Power Electronics

León, José Ignacio; Kouro, Samir; García Franquelo, Leopoldo; Rodríguez, José; Wu, Bin (Institute of Electrical and Electronics Engineers (IEEE), 2016-01-01)
The cost reduction of power-electronic devices, the increase in their reliability, efficiency, and power capability, and ...
Article
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FASY: A fuzzy-logic based tool for analog synthesis

Torralba Silgado, Antonio Jesús; Chávez Orzaez, Jorge Jesús; García Franquelo, Leopoldo (Institute of Electrical and Electronics Engineers (IEEE), 2016-01-01)
A CAD tool for analog circuit synthesis is presented. This tool, called FASY, uses fuzzy–logic based reasoning to select ...
Article
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Model predictive control for single-phase NPC converters based on optimal switching sequences

Vázquez Pérez, Sergio; P. Aguilera, Ricardo; Acuna, Pablo; Pou, Josep; León Galván, José Ignacio; García Franquelo, Leopoldo; G. Agelidis, Vassilios (Institute of Electrical and Electronics Engineers (IEEE), 2016-01-01)
In this paper, a model predictive control (MPC) based on optimal switching sequences (OSSs) for a singlephase grid-connected ...
Master's Final Project
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A Generalized Predictive Controlled T-type power inverter with a deterministic dc-link capacitor voltage balancing approach

García Franquelo, Leopoldo; Mohan, Charanraj (2015-07-01)
The thesis consists of implementing a Generalized Predictive Control (GPC) strategy for controlling the output voltage of ...
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Predictive optimal switching sequence direct power control for grid connected power converters

Vázquez Pérez, Sergio; Márquez Alcaide, Abraham; Aguilera, Ricardo; Quevedo, Daniel; León, José Ignacio; García Franquelo, Leopoldo (2015-01-01)
Grid connected power converters play a key role in several applications such as integration of renewable energy sources ...
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A three-level common-mode voltage eliminated inverter with single dc supply using flying capacitor inverter and cascaded H-bridge

Kumar, P. Roshan; Rajeevan, P. P.; Mathew, K.; Gopakumar, K.; León, José Ignacio; García Franquelo, Leopoldo (2014-03-03)
A three-level common-mode voltage eliminated in- verter with single dc supply using flying capacitor inverter and cascaded ...
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Model predictive control: a review of its applications in power electronics

Vázquez Pérez, Sergio; León, José Ignacio; García Franquelo, Leopoldo; Rodríguez, José; Young, Héctor A.; Márquez Alcaide, Abraham; Zanchetta, Pericle (2014-01-01)
Model predictive control (MPC) for power converters and drives is a control technique that has gained attention into ...
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Grid Connected Photovoltaic Generation Plants. Components and Operation

Romero-Cadaval, Enrique; Spagnuolo, Giovanni; García Franquelo, Leopoldo; Ramos-Paja, Carlos-Andrés; Suntio, Teuvo; Xiao, Weidong-Michael (2013-09-19)
The main design objectives of photovoltaic (PV) systems have been for a long time to extract the maximum power from the ...
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Selective Harmonic Mitigation Technique for Cascaded H-Bridge Converters With Nonequal DC Link Voltages

Nápoles Luengo, Javier; Watson, A. J.; Padilla, José J.; León, José Ignacio; García Franquelo, Leopoldo; Aguirre Echanove, Miguel Ángel (2013-05-01)
Multilevel converters have received increased interest recently as a result of their ability to generate high quality output ...
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Model based adaptive direct power control for three-level NPC converters

Portillo Guisado, Ramón Carlos; Vázquez Pérez, Sergio; León, José Ignacio; Prats, M. M.; García Franquelo, Leopoldo (2013-05-01)
In this work, a Model Based Adaptive Direct Power Control (MB-ADPC) with constant switching frequency for Three-Phase ...
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A five-level inverter topology with single-DC supply by cascading a flying capacitor inverter and an H-bridge

Roshankumar, P.; Rajeevan, P. P.; Mathew, K.; Gopakumar, K.; León Galván, José Ignacio; García Franquelo, Leopoldo (2012-08-01)
In this paper, a new three-phase, five-level inverter topology with a single-dc source is presented. The proposed topol- ogy ...
Presentation
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Modulador simple con control del equilibrio de tensiones para un convertidor hibrido ANPC+ Flying-capacitor de cinco niveles

Kouro, Samir; Wu, B.; León, José Ignacio; García Franquelo, Leopoldo; Vázquez Pérez, Sergio (2011-01-01)
El convertidor híbrido basado en una celda active neutral-point-clamped conectada en serie con celdas con condensadores ...
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High-performance motor drives

Kazmierkowski, Marian P.; García Franquelo, Leopoldo; Rodríguez, José; Pérez, Marcelo; León, José Ignacio (2011-01-01)
This article reviews the present state and trends in the development of key parts of controlled induction motor drive ...
Presentation
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Novel modulator for the hybrid two-cell flying-capacitor based ANPC converter

León, José Ignacio; García Franquelo, Leopoldo; Kouro, Samir; Wu, B.; Vázquez Pérez, Sergio (IEEE, 2011-01-01)
Among the multilevel converters present in the industry, the hybrid flying-capacitor based active-neutral-point-clamped ...
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One dimensional feed-forward modulation of a cascaded H-bridge multi-level converter including capacitor balancing with reduced switching frequency

Vodden, John; Wheeler, Pat; García Franquelo, Leopoldo; León, José Ignacio; Vázquez Pérez, Sergio (IEEE, 2011-01-01)
Multi-level converters are well suited to medium and high power applications where the priority is for high quality a.c. ...
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Cascaded H-bridge multilevel converter multistring topology for large scale photovoltaic systems

Rivera, S.; Kouro, Samir; Wu, B.; León, José Ignacio; Rodríguez, José; García Franquelo, Leopoldo (IEEE, 2011-01-01)
Large scale grid connected photovoltaic (PV) energy conversion systems have reached the megawatt level. This imposes new ...
Presentation
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Model predictive control based selective harmonic mitigation technique for multilevel cascaded H-bridge converters

Aggrawal, Himanshu; Kouro, Samir; Garg, Prashant; León, José Ignacio; García Franquelo, Leopoldo; Rodríguez, José (IEEE, 2011-01-01)
The selective harmonic elimination (SHE) strategy is specially well suited for high-power applications where the power ...
Presentation
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Two-dimensional modulation technique with dc voltage control for single-phase two-cell cascaded converters

León, José Ignacio; Vázquez Pérez, Sergio; Portillo Guisado, Ramón Carlos; García Franquelo, Leopoldo; Domínguez, E. (IEEE, 2010-01-01)
In this paper, a simple feed-forward modulation technique for single-phase two-cell multilevel cascaded converters is ...
Presentation
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Predictive control of a three-phase UPS inverter using two steps prediction horizon

Cortés, P.; Rodríguez, José; Vázquez Pérez, Sergio; García Franquelo, Leopoldo (IEEE, 2010-01-01)
A Model Predictive Control scheme is used for voltage control in a three-phase inverter with output LC filter. The controller ...
Presentation
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Recent advances in high-power industrial applications

García Franquelo, Leopoldo; León, José Ignacio; Domínguez, E. (IEEE, 2010-01-01)
The industrial electronics market is continuously changing following the users demand. This paper introduces the current ...
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Selective Harmonic Mitigation Technique for High-Power Converters

Nápoles Luengo, Javier; León, José Ignacio; Portillo Guisado, Ramón Carlos; García Franquelo, Leopoldo; Aguirre Echanove, Miguel Ángel (Institute of Electrical and Electronics Engineers (IEEE), 2010-01-01)
In high-power applications, the maximum switching frequency is limited due to thermal losses. This leads to highly distorted ...
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Multilevel Multiphase Feedforward Space-Vector Modulation Technique

León, José Ignacio; López, Óscar; García Franquelo, Leopoldo; Doval Gandoy, Jesús; Vázquez Pérez, Sergio; Álvarez, J.; Freijedo, Francisco D. (Institute of Electrical and Electronics Engineers (IEEE), 2010-01-01)
Multiphase converters have been applied to an increasing number of industrial applications in recent years. On the other ...
Article
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Recent Advances and Industrial Applications of Multilevel Converters

Kouro, Samir; Malinowski, Mariusz; Gopakumar, K.; Pou, Josep; García Franquelo, Leopoldo; Wu, B.; Rodríguez, José; Pérez, Marcelo; León, José Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2010-01-01)
Multilevel converters have been under research and development for more than 3 decades, and have found successful industrial ...
Presentation
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Educational software interface for power electronic applications

Sánchez Segura, Juan Antonio; León Galván, José Ignacio; García Franquelo, Leopoldo; Carrasco Solís, Juan Manuel; Vázquez Pérez, Sergio; Portillo Guisado, Ramón Carlos; Domínguez, E. (IEEE, 2010-01-01)
The design of friendly user tools for power electronics applications is a hot topic among the researchers all over the ...
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Conventional Space-Vector Modulation Techniques versus the Single-Phase Modulator for Multilevel Converters

León Galván, José Ignacio; Vázquez Pérez, Sergio; Sánchez Segura, Juan Antonio; Portillo Guisado, Ramón Carlos; García Franquelo, Leopoldo; Carrasco Solís, Juan Manuel; Domínguez, E. (Institute of Electrical and Electronics Engineers (IEEE), 2010-01-01)
Space-vector modulation is a well-suited technique to be applied to multilevel converters and is an important research ...
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Analysis of the power balance In the cells of a multilevel cascaded H-Bridge converter

Vázquez Pérez, Sergio; León Galván, José Ignacio; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo; Galván Díez, Eduardo; Reyes, Manuel; Sánchez, Juan A.; Domínguez, Eugenio (Institute of Electrical and Electronics Engineers (IEEE), 2010-01-01)
Multilevel cascaded H-Bridge converters (CHB) have been presented as a good solution for high power applications. In this ...
Presentation
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Comparison between FS-MPC control strategy for an UPS inverter application in α-β and abc frames

Vázquez Pérez, Sergio; León Galván, José Ignacio; García Franquelo, Leopoldo; Carrasco, J. M.; Dominguez, E.; Cortés, P.; Rodriguez, José (IEEE, 2010-01-01)
The voltage source inverter (VSI) of an uninterruptible power supply (UPS) is a system where the main objective is to ...
Presentation
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Selección automática de topologías

Torralba Silgado, Antonio Jesús; Chávez Orzaez, Jorge Jesús; García Franquelo, Leopoldo (2009-01-01)
Se presenta una herramienta para la selección de topologías a partir de unas especificaciones de entre un conjunto de ...
Presentation
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Implementación de un controlador borroso usando técnicas de PWM analógico

Tombs, J. N.; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (2009-01-01)
Hoy día la mayoría de los sistemas de control borroso se implementan en software usando procesadores y micro controladores ...
Presentation
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Red Neuronal de Hopfield con técnicas de procesamiento estocástico paralelo-secuencial

Colodro Ruiz, Francisco; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (2009-01-01)
En este artículo se presenta la realización de una Red Nueronal Estocástica de Hopfield (SHNN) con un gran número de ...
Presentation
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Adquisición de datos digitales con protocolo VME sobre FPGA

Quero Reboul, José Manuel; Chávez Orzaez, Jorge Jesús; García Franquelo, Leopoldo; Pinilla, J.; Corral, A.; Serrano, J. (2009-01-01)
En este artículo se presenta la realización sobre FPGA de un circuito con 16 filtros digitales. Un cambio en la entrada ...
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Circuito ASIC para enlaces rápidos de comunicaciones por fibra óptica

Toral, S. L.; Millán Vázquez de la Torre, Rafael Luis; Quero Reboul, José Manuel; García Franquelo, Leopoldo; Pinilla, J.; Serrano, J. (2009-01-01)
El circuito integrado que aquí se describe ha sido diseñado con tecnología puramente digital, y tiene como función servir ...
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Guidelines for weighting factors design in model predictive control of power converters and drives

Kouro, Samir; Rocca, Bruno La; Vargas, René; Rodríguez, José; Cortés, Patricio; León, José Ignacio; Vázquez Pérez, Sergio; García Franquelo, Leopoldo (IEEE, 2009-01-01)
Finite State Model Predictive Control (FS-MPC) has emerged as a promising control tool for power converters and drives. ...
Presentation
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Circuito integrado para comunicaciones en sistemas de ascensores

Colodro Ruiz, Francisco; Aguirre Echanove, Miguel Ángel; Torralba Silgado, Antonio Jesús; Galván Díez, Eduardo; García Franquelo, Leopoldo; Barranco, M. (2009-01-01)
El circuito ASIC descrlto es una unidad de comunicaciones destinada a sistemas de ascensores. Este diseño reduce en gran ...
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Detección automática de faltas empleando lógica borrosa

Torralba Silgado, Antonio Jesús; Chávez Orzaez, Jorge Jesús; García Franquelo, Leopoldo (2009-01-01)
Presentamos a continuación una herramienta para la detección y clasificación de faltas en circuitos analógicos a partir ...
Presentation
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Síntesis automática de celdas analógicas utilizando nuevas estrategias "Búsqueda Tabú"

Aguirre Echanove, Miguel Ángel; Caballero, M.; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (2009-01-01)
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New trends and topologies for high power industrial applications: The multilevel converters solution

García Franquelo, Leopoldo; León, José Ignacio; Domínguez, E. (IEEE, 2009-01-01)
This paper reviews briefly the current scenarios where power electronics converters are being applied. In the paper, the ...
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Model predictive control with constant switching frequency using a discrete space vector modulation with virtual state vectors

Cortés, P.; Kouro, Samir; Vázquez Pérez, Sergio; León, José Ignacio; García Franquelo, Leopoldo; Carrasco Solís, Juan Manuel; Martínez, O; Rodríguez, José (2009-01-01)
Finite states model predictive control (FS-MPC) appears as a promising control technique to be applied to power converters ...
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Multilevel Converters: An Enabling Technology for High-Power Applications

Rodríguez, José; García Franquelo, Leopoldo; Kouro, Samir; Portillo Guisado, Ramón Carlos; León, José Ignacio; Martín Prats, María de los Ángeles; Pérez, Marcelo (Institute of Electrical and Electronics Engineers, 2009-01-01)
| Multilevel converters are considered today as the state-of-the-art power-conversion systems for high-power and power-quality ...
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Guidelines for Weighting Factors Design in Model Predictive Control of Power Converters and Drives

Cortés, Patricio; Kouro, Samir; Rocca, Bruno La; Vargas, René; Rodríguez, José; León, José Ignacio; Vázquez Pérez, Sergio; García Franquelo, Leopoldo (IEEE, 2009-01-01)
Model Predictive Control with a finite control set has emerged as a promising control tool for power converters and drives. ...
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Multi-dimensional modulation technique for cascaded multilevel converters

León, José Ignacio; Kouro, Samir; Vázquez Pérez, Sergio; Portillo Guisado, Ramón Carlos; García Franquelo, Leopoldo; Carrasco Solís, Juan Manuel; Rodríguez, José (Institute of Electrical and Electronics Engineers (IEEE), 2009-01-01)
Multilevel cascaded H-bridge converters have found industrial application in the medium voltage high power range. In this ...
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Unidimensional modulation technique for cascaded multilevel converters

León, José Ignacio; Vázquez Pérez, Sergio; Kouro, Samir; García Franquelo, Leopoldo; Carrasco Solís, Juan Manuel; Rodríguez, José (Institute of Electrical and Electronics Engineers (IEEE), 2009-01-01)
This paper presents a simple and low computational cost modulation technique for multilevel cascaded H-bridge converters. ...
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Feed-forward Space Vector Modulation for Single-Phase Multilevel Cascade Converters with any DC voltage ratio

León, José Ignacio; Vázquez Pérez, Sergio; Watson, A. J.; García Franquelo, Leopoldo; Wheeler, P. W.; Carrasco Solís, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2009-01-01)
Modulation techniques for multilevel converters can create distorted output voltages and currents if the DC link voltages ...
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DC-Voltage-Ratio Control Strategy for Multilevel Cascaded Converters Fed With a Single DC Source

Vázquez Pérez, Sergio; León Galván, José Ignacio; García Franquelo, Leopoldo; Padilla, José J.; Carrasco Solís, Juan Manuel (Institute of Electrical and Electronics Engineers, 2009-01-01)
Recently, a multilevel cascaded converter fed with a single DC source has been presented. An analysis of the steady-state ...
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Implementation of a closed loop SHMPWM technique for three level converters

Nápoles Luengo, Javier; Portillo Guisado, Ramón Carlos; León, José Ignacio; Aguirre Echanove, Miguel Ángel; García Franquelo, Leopoldo (IEEE, 2008-01-01)
High power converters are built using high-voltage and high-current rated semiconductors. The commutation of these devices ...
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The Age of Multilevel Converters Arrives

García Franquelo, Leopoldo; Rodríguez, José; León, José Ignacio; Kouro, Sqamir; Martín Prats, María de los Ángeles; Portillo Guisado, Ramón Carlos (Institute of Electrical and Electronics Engineers (IEEE), 2008-01-01)
This work is devoted to review and analyze the most relevant characteristics of multilevel converters, to motivate possible ...
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Controller design for a single-phase two-cell multilevel cascade H-bridge converter

Vázquez Pérez, Sergio; León Galván, José Ignacio; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo; Galván Díez, Eduardo; Sánchez Segura, Juan Antonio; Domínguez, E. (IEEE, 2008-01-01)
In this paper is studied the single-phase two-cell multilevel cascade H-bridge power converter connected to the grid, ...
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Radiation environment emulation for VLSI designs: a low cost platform based on xilinx FPGA's

Nápoles Luengo, Javier; Guzmán-Miranda, Hipólito; Aguirre Echanove, Miguel Ángel; Tombs, J. N.; Muñoz Chavero, Fernando; Baena Lecuyer, Vicente; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (IEEE, 2007-01-01)
As technology shrinks, critical industral applications have to be designed with special care. VLSI circuits become more ...
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Stationary frame voltage harmonic controller for standalone power generation

Kulka, Arkadiusz; Undeland, Tore; Vázquez Pérez, Sergio; García Franquelo, Leopoldo (IEEE, 2007-01-01)
The paper presents a new control scheme for voltage control of voltage source inverter (VSI) with LC output filter. Proposed ...
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Power-electronic systems for the grid integration of renewable energy sources: a survey

Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo; Bialasiewicz, Jan T.; Galván Díez, Eduardo; Portillo Guisado, Ramón Carlos; Martín Prats, María de los Ángeles; León, José Ignacio; Moreno-Alfonso, Narciso (Institute of Electrical and Electronics Engineers (IEEE), 2006-01-01)
The use of distributed energy resources is increasingly being pursued as a supplement and an alternative to large conventional ...
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Space Vector Modulation Techniques for Multilevel Converters – a survey

García Franquelo, Leopoldo; León, José Ignacio; Martín Prats, María de los Ángeles; Portillo Guisado, Ramón Carlos (Holon Academic Institute of Technology (HAIT), 2006-01-01)
This paper presents a survey of most recent, simple and efficient Space Vector Modulation algorithms for multilevel ...
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Microprocessor and FPGA interfaces for in-system co-debugging in field programmable hybrid systems

Aguirre Echanove, Miguel Ángel; Tombs, J. N.; Baena Lecuyer, Vicente; Mora Jiménez, José Luis; Carrasco Solís, Juan Manuel; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (Elsevier, 2005-01-01)
Modern trends in technology require efficient control and processing platforms based on connected software-hardware ...
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Algoritmo de modulación vectorial para convertidores multinivel de cuatro ramas utilizando coordenadas naturales

Martín Prats, María de los Ángeles; León, José Ignacio; Portillo Guisado, Ramón Carlos; García Franquelo, Leopoldo; Domínguez , E. (2005-01-01)
En este trabajo se presenta el primer algoritmo de modulación vectorial tridimensional para convertidores multinivel de ...
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New space vector modulation algorithms applied to multilevel converters with balanced DC-link voltage

Martín Prats, María de los Ángeles; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo (Holon Academic Institute of Technology, 2005-01-01)
This work presents a survey of new space vector modulation algorithms for high power voltage source multilevel converters. ...
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Generalized analytical approach of the calculation of the harmonic effects of single phase multilevel PWM inverters

León, José Ignacio; García Franquelo, Leopoldo; Galván Díez, Eduardo; Martín Prats, María de los Ángeles; Carrasco Solís, Juan Manuel (2004-01-01)
This paper introduces a generalized analytical approach for calculating the total harmonic distortion THD and its weighted ...
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A novel space-vector algorithm for multilevel converters based on geometrical considerations using a new sequence control technique

Martín Prats, María de los Ángeles; León Galván, José Ignacio; Portillo Guisado, Ramón Carlos; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo (World Scientific Publishing, 2004-01-01)
his paper presents a fast and simple space vector modulation algorithm for voltage source multilevel converters for ...
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A SVM-3D generalized algorithm for multilevel converters

Martín Prats, María de los Ángeles; García Franquelo, Leopoldo; León, José Ignacio; Portillo Guisado, Ramón Carlos; Galván Díez, Eduardo; Carrasco Solís, Juan Manuel (2003-01-01)
A novel three dimensional space vector algorithm of multilevel converters for compensating harmonics and homopolar component ...
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Three-dimensional space vector modulation in abc coordinates for four-leg voltage source converters

Perales Esteve, Manuel Ángel; Martín Prats, María de los Ángeles; Portillo Guisado, Ramón Carlos; Mora Jiménez, José Luis; León, José Ignacio; García Franquelo, Leopoldo (Institute of Electrical and Electronics Engineers (IEEE), 2003-01-01)
Four-leg inverters have been selected as one of the preferred power converter topologies for applications that require a ...
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Integrated solution for induction motor control

Mora Jiménez, José Luis; Barrero, Federico; Galván Díez, Eduardo; Colodro Ruiz, Francisco; Tombs, J. N.; Barranco, M.; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (2002-05-01)
The command speed has an 'S' shape, typical in vertical operation systems. The reason for this command speed is that a ...
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Improving the design process of VLSI circuits by means of a hardware debugging system: UNSHADES-1 framework

Aguirre Echanove, Miguel Ángel; Tombs, J. N.; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (IEEE, 2002-01-01)
Due to the increase in size and complexity of VLSI integrated circuits, new design tools are becoming needed. Telecommunications ...
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Effective modulation algorithm for three-level converters

Martín Prats, María de los Ángeles; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo (2002-01-01)
This paper presents an effective modulation algorithm (EMA) for high power voltage source three-level converter. This ...
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Design of a mobile telecardiology system using GPRS/GSM technology

García Franquelo, Leopoldo; Elena Pérez, María del Mar; Quero Reboul, José Manuel; López Tarrida, Cristina (2002-01-01)
This paper presents the design and development of a portable electrocardiograph to allow the on-line remote monitoring and ...
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A new fuzzy logic controller to improve the captured wind energy in a real 800 kW variable speed-variable pitch wind turbine

Martín Prats, María de los Ángeles; Carrasco Solís, Juan Manuel; Galván Díez, Eduardo; Sánchez Segura, Juan Antonio; García Franquelo, Leopoldo; Batista, C.; González, A.; Hurtado, S. (2002-01-01)
This paper presents an application of fuzzy controllers for improving the captured wind energy and the performance of ...
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A low cost 3D vision system for positioning welding mobile robots using a FPGA prototyping system

Ibáñez, I.; Aguirre Echanove, Miguel Ángel; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (2002-01-01)
The aim of this work is to explore some solutions for artificial vision systems applied to welding autonomous robots. We ...
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New controllability criteria for 3-phase 4-wire inverters applied to shunt active power filters

Perales Esteve, Manuel Ángel; Terrón, L.; Sánchez Segura, Juan Antonio; Torre, A. de la; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo (IEEE, 2002-01-01)
In shunt active filter applications, the 3-phase 4-wire topology is frequently used when dealing with unbalanced loads ...
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Realización de un simulador del DSP TMS320C3x en C++ Builder

León, José Ignacio; Barrero, Federico; Sánchez Segura, Juan Antonio; García Franquelo, Leopoldo (2002-01-01)
En este documento se presenta un software realizado en C++ Builder que simula el comportamiento de un Procesador Digital ...
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Laboratorio virtual de DSPs basado en CDROM multimedia

González, A.; Barrero, Federico; García Franquelo, Leopoldo (Universidad de las Palmas de Gran Canarias, 2002-01-01)
En este documento se presenta un laboratorio virtual de Procesadores Digitales de Señal (DSPs) realizado en el Departamento ...
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Incremental SVM of controlled full-bridge rectifiers to allow IEC 61000-3-2 enforcement in power grid connection of modern elevator systems

Terrón, L.; Barrero, Federico; Sánchez Segura, Juan Antonio; Torre, A. de la; Perales Esteve, Manuel Ángel; García Franquelo, Leopoldo; Barranco, M. (IEEE, 2002-01-01)
The purpose of this paper is the study of different power converters and control techniques to allow power grid connection ...
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CD-ROM multimedia como método de ayuda a la enseñanza teórica de un DSP

Capila, C.; Barrero, Federico; García Franquelo, Leopoldo (2002-01-01)
En este documento se presenta un libro electrónico interactivo realizado en el Departamento de Ingeniería Electrónica de ...
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Aplicación de un CD-ROM multimedia en un laboratorio de instrumentación electrónica

García Ortega, Juan de la Cruz; Barrero, Federico; García Franquelo, Leopoldo (2002-01-01)
En este documento se presenta un CD-ROM multimedia diseñado para servir de complemento a las clases de la asignatura ...
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New control algorithm for shunt active filters, based on self-tuned vector filter

Perales Esteve, Manuel Ángel; Mora Jiménez, José Luis; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo (2001-01-01)
A new, improved, method for calculating the reference of a shunt active filter is presented. This method lays on a filter, ...
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Fuzzy logic application for improving speed control and captured energy using the wind speed information for wind turbines

Martín Prats, María de los Ángeles; Galván Díez, Eduardo; Carrasco Solís, Juan Manuel; Sánchez Segura, Juan Antonio; García Franquelo, Leopoldo; Batista, C. (2001-01-01)
This paper describes a fuzzy logic application for improving the variable speed and blade pitch wind turbine performance. ...
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EMI interference suppression in symmetrical non-regulated power supply for high immunity audio power amplifier

García Franquelo, Leopoldo; Pérez Ridao, Francisco; Carrasco Solís, Juan Manuel (2001-01-01)
Different non-regulated symmetrical power supplies for audio power amplifier are presented in this work, where the conducted ...
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Predictive middle point modulation: a new modulation method for parallel active filters

Perales Esteve, Manuel Ángel; Carrasco Solís, Juan Manuel; Sánchez Segura, Juan Antonio; Terrón, L.; García Franquelo, Leopoldo (2001-01-01)
When designing an Active filter, using a current-controlled voltage source inverter, there are two main tasks : to generate ...
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A microprocessor based system for ECG telemedicine and telecare

Toral, S. L.; Quero Reboul, José Manuel; Pérez, M. Elena; García Franquelo, Leopoldo (2001-01-01)
Portable equipments for remote monitoring of heart's activity is one of the most innovative sectors in telemedicine and ...
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12-Lead ECG modulator and demodulator equipment for telephony transmission

Toral, S. L.; Lara Aznar, Belén; Quero Reboul, José Manuel; García Franquelo, Leopoldo (2001-01-01)
This paper describes a teleassistency system that consists of a modulator equipment for the acquisition. storage and FM ...
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HADES-1: A rapid prototyping environment based on advanced FPGA’s

Aguirre Echanove, Miguel Ángel; Tombs, J. N.; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (2001-01-01)
Rapid prototyping of large digital systems is becoming supported with the use of new advanced FPGA's. These FPGA's can ...
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OFDM synchronization scheme for Power Line Telecommunications (PLT)

Baena Lecuyer, Vicente; Granado Romero, Joaquín; Aguirre Echanove, Miguel Ángel; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (2001-01-01)
This paper presents a new scheme for OFDM time and frequency synchronization with application in Power Line Telecommunications ...
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Programmable SC biquad using one single capacitor bank

Torralba Silgado, Antonio Jesús; Pérez Vega-Leal, Alfredo; García Franquelo, Leopoldo (2001-01-01)
This paper presents a new technique for programming SC circuits using a single time-multiplexed capacitor bank, achieving ...
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ASITRON: ASIC for indirect vector control of induction motors with fuzzy logic based speed regulation

Tombs, J. N.; Barrero, Federico; Galván Díez, Eduardo; Colodro Ruiz, Francisco; Barranco, M.; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (2001-01-01)
This paper presents ASITRON, an integrated solution for the vector control of induction motors. This ASIC is a micro-system ...
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ASIC implementation of an ARM - based system on chip

Granado Romero, Joaquín; Chávez Orzaez, Jorge Jesús; Colodro Ruiz, Francisco; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo; Ramos, E.; Hidalgo, A.; Tortolero, A.; Ruiz, F. (2000-01-01)
This paper presents the hardware architecture of a System on Chip (SoC) implemented in an ASIC. It has been designed for ...
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Design of a band-pass sigma-delta modulator with reduced number of opamps

Pérez Vega-Leal, Alfredo; Muñoz Chavero, Fernando; González Carvajal, Ramón; Torralba Silgado, Antonio Jesús; Tombs, J. N.; García Franquelo, Leopoldo (2000-01-01)
This paper is intended to compare the performance of a Band-Pass converter structure and its Low-Pass prototype 2nd order ...
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Distributed microprocessor controllers using optic fiber network

García Franquelo, Leopoldo; García Ortega, Juan de la Cruz; Quero Reboul, José Manuel; Palomo Pinto, Rogelio; Manzanares Japón, Fernando; Brey, J. (2000-01-01)
This work continues a previous project devoted to the supervision and control of electric motors in large industrial plants. ...
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Improving transition between power optimization and power limitation of variable speed, variable pitch wind turbines using fuzzy control techniques

Martín Prats, María de los Ángeles; Carrasco Solís, Juan Manuel; Galván Díez, Eduardo; Sánchez Segura, Juan Antonio; García Franquelo, Leopoldo; Batista, C. (IEEE, 2000-01-01)
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SMT board for acquisition of electrocardiograph signals and GSM transmission

Toral, S. L.; Quero Reboul, José Manuel; Elena Pérez, María del Mar; García Franquelo, Leopoldo (2000-01-01)
Portable equipments for telemedical applications is one of the most innovative sectors in biomedical engineering. Health ...
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Stochastic pulse coded arithmetic

Toral, S. L.; Quero Reboul, José Manuel; García Franquelo, Leopoldo (IEEE, 1999-01-01)
Among the different pulse codification techniques, stochastic pulse codification has its own arithmetic based on the ...
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Analog controllers using digital stochastic logic

Quero Reboul, José Manuel; Toral, S. L.; García Ortega, Juan de la Cruz; García Franquelo, Leopoldo (1999-01-01)
Stochastic logic is based on digital processing of a random pulse stream, where the information is codified as the probability ...
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ASIC-based tachometer without mechanical transducer for induction machines

Mora Jiménez, José Luis; Tombs, J. N.; Pachón, R.; Torralba Silgado, Antonio Jesús; Barranco, M.; García Franquelo, Leopoldo (1999-01-01)
A classical method for angular position and speed estimation in adjustable speed drives uses an incremental shaft encoder ...
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Continuous time filter design using stochastic logic

Quero Reboul, José Manuel; Toral, S. L.; García Ortega, Juan de la Cruz; García Franquelo, Leopoldo (IEEE, 1999-01-01)
Stochastic logic is based on digital processing of random pulse stream. In this paper we propose a stochastic approach to ...
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CMOS fuzzifier using mixed-signal techniques with emphasis in power consumption

González Carvajal, Ramón; Torralba Silgado, Antonio Jesús; Colodro Ruiz, Francisco; García Franquelo, Leopoldo (1999-01-01)
A novel mixed-signal CMOS membership function generator (MFG) is presented. It is based on an enhanced version of a linear ...
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Microprocessor board for vitro ceramic control

Millán Vázquez de la Torre, Rafael Luis; Collazo, J.; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (1999-01-01)
This paper presents the industrial application of a microcontroller for a vitroceramic cooker. The vitroceramic surface ...
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XSIM: software package for simulation of induction machines suitable for computed assisted education

Barrero, Federico; Millán Vázquez de la Torre, Rafael Luis; Sánchez, P. G.; Sánchez, M.; García Franquelo, Leopoldo (1999-01-01)
This paper presents a software package for simulation of induction machines useful for training and computed aided education. ...
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A test-rig to evaluate a wind turbine generation control system based on DSP

Barrero, Federico; Mora Jiménez, José Luis; Perales Esteve, Manuel Ángel; Marchante, A.; Galván Díez, Eduardo; Carrasco Solís, Juan Manuel; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (EPE Association, 1997-09-01)
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Stochastic and PWM coding for an efficient implementation of Cellular Neural Networks

Colodro Ruiz, Francisco; Torralba Silgado, Antonio Jesús; González Carvajal, Ramón; García Franquelo, Leopoldo (1997-01-01)
This paper present the application of Pulse Stream Tech-niques (PSTs) to the hardware implementation of a Cellular Neural ...
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Welding data adquisition based on FPGA

Millán Vázquez de la Torre, Rafael Luis; Quero Reboul, José Manuel; García Franquelo, Leopoldo (1997-01-01)
This paper presents the use of FPGA in data acquisition and digital preprocessing of the electric current signal of ...
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Automatic synthesis of analog fuzzy controllers

González Carvajal, Ramón; Torralba Silgado, Antonio Jesús; Colodro Ruiz, Francisco; García Franquelo, Leopoldo (1997-01-01)
In this paper, a silicon compiler for analog fuzzy controllers is presented. The layout is automatically generated ...
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EC-RASP: A new electrical energy static counter based on random signal processing conference topic: IC's for instrumentation and control

Toral, S. L.; Quero Reboul, José Manuel; García Franquelo, Leopoldo (1997-01-01)
This paper concerns the design and development of electrical energy static counter, based on random pulse stream processing. ...
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RAISE: A detailed routing algorithm for field-programmable gate arrays

Baena Lecuyer, Vicente; Aguirre Echanove, Miguel Ángel; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo; Faura, J. (1997-01-01)
This paper describes a new detailed routing algorithm, speciffically designed for those types of architecturesthat are ...
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An analog CMOS universal membership function circuit with fully independent, adjustable parameters

González Carvajal, Ramón; Torralba Silgado, Antonio Jesús; Colodro Ruiz, Francisco; García Franquelo, Leopoldo (1997-01-01)
A novel CMOS membership function circuit (MBC) is presented. It is based on a linear tunable transconductor proposed in ...
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MODASC: ASIC for mobile data acquisition systems using satellite communications

García Franquelo, Leopoldo; Quero Reboul, José Manuel; Janer Jiménez, Carlos; García Ortega, Juan de la Cruz; Toral, S. L.; Marín, F.; López, J. (1997-01-01)
MODASC is an ASIC that performs wide area mobile data acquisition using satellite communication to provide global coverage. ...
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MEDIRECT: A first user experiment

Ramos, E.; Pinilla, J.; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (1997-01-01)
This paper presents MEDIRECT, a FUSE experiment for accurate measurement of the quality of service in power systems using DSP´s.
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DSP and FPGA based system to control a wind turbine generator implementing a variable speed vectorial control method

Perales Esteve, Manuel Ángel; Barrero, Federico; Mora Jiménez, José Luis; Galván Díez, Eduardo; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo (1997-01-01)
The purpose of this paper is to describe a DSP and FPGA control system to implement a variable speed vectorial control. ...
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A collection of fuzzy logic-based tools for the automated design, modelling and test of analog circuits

Torralba Silgado, Antonio Jesús; Chávez Orzaez, Jorge Jesús; García Franquelo, Leopoldo (IEEE Computer Society, Institute of Electrical and Electronics Engineers, 1996-01-01)
We have developed a collection of tools for the design, modeling, and test of analog circuits. Sharing a common fuzzy-logic ...
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Digital test design with an "ad hoc" strategy for an industrial ASIC with large dimension

González Carvajal, Ramón; Aguirre Echanove, Miguel Ángel; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (1996-01-01)
The development of digital ASIC's with a large area states a lot of doubts when the ingenieer must design a test strategy. ...
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ASIC para sistemas de medidas ambientales

García Ortega, Juan de la Cruz; Janer Jiménez, Carlos; Quero Reboul, José Manuel; García Franquelo, Leopoldo; Pinilla, J.; Gonzalez, M. (1995-01-01)
El circuito integrado que aquí se describe ha sido diseñado con tecnología puramente digital, y tiene como función servir ...
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Realización de un filtro activo de potencia empleando una FPGA

Carrasco Solís, Juan Manuel; Galván Díez, Eduardo; Pérez Ridao, Francisco; Jiménez, R.; Alarcón, D.; Torralba Silgado, Antonio Jesús; Pozo, F. del; García Franquelo, Leopoldo (1995-01-01)
En este artículo se presenta un sistema para compensación de reactiva y eliminación de armónicos en la conexión de una ...
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Aceleración de un algoritmo de enfriamiento simulado mediante particionamiento de redes. Aplicación a "placement" de circuitos VLSI

Aguirre Echanove, Miguel Ángel; Torralba Silgado, Antonio Jesús; García Franquelo, Leopoldo (1995-01-01)
Se propone un nuevo método de mejora de los resultados del "placement" de un circuito VLSI. El método propuesto utiliza ...
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A switching fuzzy controller for induction motor with self-tuning capability

García Franquelo, Leopoldo (1995-01-01)
Fuzzy-logic based controllers have been recently proposed to implement vector control methods in induction motors. This ...
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Controladores digitales estocásticos

Quero Reboul, José Manuel; García Franquelo, Leopoldo (1995-01-01)
En este artículo se presenta la realización de controladores clásicos basados en el procesamiento lógico estocástico. Se ...
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Synaptic weight generation in VLSI stochastic neural networks

García Ortega, Juan de la Cruz; Quero Reboul, José Manuel; Janer Jiménez, Carlos; García Franquelo, Leopoldo (1995-01-01)
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Circuito integrado ASIC para el control vectorial-borroso de un motor de inducción destinado a accionamiento de tráfico vertical

Mora Jiménez, José Luis; Colodro Ruiz, Francisco; Barrero, Federico; Torralba Silgado, Antonio Jesús; Galván Díez, Eduardo; García Franquelo, Leopoldo; Barranco, M. (Universidad de Zaragoza, 1995-01-01)
Con este trabajo se describe el diseño de un circuito integrado ASIC para el Control Vectorial-Borroso de un Motor de ...
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Fuzzy selftuning system for induction motor controllers

; García Franquelo, Leopoldo; Barrero García, Federico José; Galván Díez, Eduardo; Torralba Silgado, Antonio Jesús (1995-01-01)
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VLSI implementation of a fully parallel stochastic neural network

García Franquelo, Leopoldo (1994-01-01)
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Neural network monitoring of resistance welding processes

Quero Reboul, José Manuel; Millán Vázquez de la Torre, Rafael Luis; García Franquelo, Leopoldo; Cañas Delgado, José (1994-01-01)
Control of weld quality is one of the most important and complex processes to be carried out on production lines. Neural ...
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Aportaciones electrónicas al control vectorial indirecto de máquinas asíncronas

García Franquelo, Leopoldo; Galván Díez, Eduardo (1994-01-01)
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Microcomputer control of a fuel cell power system

Carrasco Solís, Juan Manuel; Galván díez, Eduardo; Pérez Ridao, Francisco; Barrero García, Federico José; García Franquelo, Leopoldo; Pozo, F. del; Toro, J. (1994-01-01)
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Fuzzy-logic based control of an induction motor

Galván Díez, Eduardo; Torralba Silgado, Antonio Jesús; Barrero, Federico; Aguirre Echanove, Miguel Ángel; García Franquelo, Leopoldo (Escola Tècnica Superior de Enginyers Industrials de Terrasa (Barcelona), 1993-04-01)
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A robust speed control of AC motor drives based on fuzzy reasoning

García Franquelo, Leopoldo; Barrero, Federico; Aguirre Echanove, Miguel Ángel; Galván Díez, Eduardo; Torralba Silgado, Antonio Jesús (1993-01-01)
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Proyecto ERIN 1

García Franquelo, Leopoldo; Torralba Silgado, Antonio Jesús; Aguirre Echanove, Miguel Ángel; Sivianes Castillo, Francisco (Universidad Politécnica de Madrid. Laboratorio de Sistemas Integrados, 1992-01-01)
El objeto del presente proyecto es el desarrollo de un circuito integrado de aplicación específica (ASIC) para su incorporación ...
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A Neural Controller for quasi-resonant converters

Quero Reboul, José Manuel; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo (1991-09-01)
A neural controller implementing an energy feedback control law is proposed to improve the stability and dynamic characteristics ...
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Power system simulation module for a dispatcher training simulator project

García Franquelo, Leopoldo; Gómez Expósito, Antonio; González Romano, José Mariano; Martínez Ramos, José Luis; Toro, P. A. de (International Association of Science and Technology for Development (IASTED), 1989-01-01)
In this paper the set of submodules which form the electrical network simulation module of a dispatcher training simulator ...
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Three methods for the parallel solution of a large, sparse system of linear equations by multiprocessors

Torralba Silgado, Antonio Jesús; Gómez Expósito, Antonio; García Franquelo, Leopoldo (C. Alvarez and P. Albertos, 1989-01-01)
In this paper three methods for the parallel solution of large-scale, sparse, linear equation systems are presented and ...
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An efficient ordering algorithm to improve sparse vector methods

Gómez Expósito, Antonio; García Franquelo, Leopoldo (1988-11-01)
This paper presents a new node ordering algorithm to enhance sparse vector methods. The proposed technique locally minimizes ...
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An algorithm for symbolic computation of center manifolds

Freire Macías, Emilio; Gamero Gutiérrez, Estanislao; Ponce Núñez, Enrique; García Franquelo, Leopoldo (1988-01-01)
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A node ordering algorithm to speed up the solution of sparse matrix and sparse vector linear equation systems

Gómez Expósito, Antonio; García Franquelo, Leopoldo (1986-01-01)
Recently, more attention has been devoted to sparse vector methods in order to reduce the computational burden when solving ...
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Substation Automation. Local Aids to the Power Distribution Network Control

García Franquelo, Leopoldo; Calvo, J.L.; Gómez Expósito, Antonio; Moreu de León, Pedro; Torralba Silgado, Antonio Jesús (International Federation of Automatic Control, 1986-01-01)
This paper presents an automatism for electrical distribution substation control. Its objective is to perform a local ...
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Multi-Processor Architectures for Solving Sparse Linear Systems. Application to the Load Flow Problem

García Franquelo, Leopoldo; Gómez Expósito, Antonio (International Federation of Automatic Control, 1986-01-01)
Three heuristic algorithms for solving a cluster problem associated with the tearing of a symmetric matrix are presented. ...
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Simulador de redes eléctricas

Camacho, Eduardo F.; García Franquelo, Leopoldo; Ferruz Melero, Joaquín; Salgueiro, J. M.; Dávila, D.; Gómez Expósito, Antonio (M. Silva. Departamento de Automática. E.T.S. Ingenieros Industriales, Zaragoza, 1984-01-01)
Se presenta un simulador de redes eléctricas para el entrenamiento de operadores de centros de control de las mismas. El ...
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A language for real time simulation of processes with boolean inputs and outputs

Camacho, Eduardo F.; García Franquelo, Leopoldo; Lozano, J. (Burger, Jacques; Jarny, Yvon, 1983-01-01)
This paper deals with the problem of real time simulation of processes with boolean inputs and outputs. A language for ...
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Studies for the application of an adaptative controller to hydroturbine generators

Rodríguez Rubio, Francisco; Camacho, Eduardo F.; Aracil Santonja, Javier; García Franquelo, Leopoldo; Provost, J. M. G. (G. Ferraté; E. A. Puente, 1982-01-01)
This paper describes some studies made towards the automatization of hydroturbine generators with microcomputers. The ...