Recent Submissions

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    Sensor-AssistedWeighted Average Ensemble Model for Detecting Major Depressive Disorder  [Article]

    Mahendran, Nivedhitha; Vincent, Durai Raj; Srinivasan, Kathiravan; Chang, Chuan-Yu; Garg, Akhil; Gao, Liang; Gutiérrez Reina, Daniel (MDPI, 2019-11)
    The present methods of diagnosing depression are entirely dependent on self-report ratings or clinical interviews. Those traditional methods are subjective, where the individual may or may not be answering genuinely to ...
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    Algoritmo de modulación vectorial para convertidores multinivel de cuatro ramas utilizando coordenadas naturales  [Presentation]

    Martín Prats, María de los Ángeles; León, José Ignacio; Portillo Guisado, Ramón Carlos; García Franquelo, Leopoldo; Domínguez , E. (2005)
    En este trabajo se presenta el primer algoritmo de modulación vectorial tridimensional para convertidores multinivel de cuatro ramas. Este convertidor se puede aplicar en el campo de los filtros activos o a los compensadores ...
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    Min-Max Predictive Control of a Five-Phase Induction Machine  [Article]

    Rodríguez Ramírez, Daniel; Martín Torres, Cristina; Kowal Gornig, Agnieszka; Ruíz Arahal, Manuel (MDPI, 2019-09)
    In this paper, a fuzzy-logic based operator is used instead of a traditional cost function for the predictive stator current control of a five-phase induction machine (IM). The min-max operator is explored for the first ...
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    Control del Equilibrio de las Tensiones de los Condensadores Flotantes en Convertidores Multinivel de Capacidades Flotantes  [Presentation]

    León, José Ignacio; Portillo Guisado, Ramón Carlos; Sánchez Segura, Juan Antonio; Carrasco Solís, Juan Manuel; Galván Díez, Eduardo (2006)
    Los convertidores de capacidades flotantes multinivel se presentan como una alternativa a otro tipo de topologías multinivel presentando ciertas ventajas. Sin embargo, presentan desventajas como el desequilibrio ...
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    Guidelines for Weighting Factors Design in Model Predictive Control of Power Converters and Drives  [Presentation]

    Cortés, Patricio; Kouro, Samir; Rocca, Bruno La; Vargas, René; Rodríguez, José; León, José Ignacio; Vázquez Pérez, Sergio; García Franquelo, Leopoldo (IEEE, 2009)
    Model Predictive Control with a finite control set has emerged as a promising control tool for power converters and drives. One of the major advantages is the possibility to control several system variables with a single ...
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    Multilevel Converters: An Enabling Technology for High-Power Applications  [Article]

    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)
    | Multilevel converters are considered today as the state-of-the-art power-conversion systems for high-power and power-quality demanding applications. This paper presents a tutorial on this technology, covering the ...
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    Space Vector Modulation Techniques for Multilevel Converters – a survey  [Article]

    García Franquelo, Leopoldo; León, José Ignacio; Martín Prats, María de los Ángeles; Portillo Guisado, Ramón Carlos (Holon Academic Institute of Technology (HAIT), 2006)
    This paper presents a survey of most recent, simple and efficient Space Vector Modulation algorithms for multilevel converters. These algorithms avoid trigonometric and other complex operations, leading to more simple ...
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    Solar Photovoltaic and Thermal Energy Systems: Current Technology and Future Trends  [Article]

    Malinowski, Mariusz; León, José Ignacio; Abu.Rub, Aitham (Institute of Electrical and Electronics Engineers (IEEE), 2017)
    Solar systems have become very competitive solutions for residential, commercial, and industrial applications for both standalone and grid connected operations. This paper presents an overview of the current status and ...
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    A novel space-vector algorithm for multilevel converters based on geometrical considerations using a new sequence control technique  [Article]

    Martín Prats, María de los Ángeles; León, José Ignacio; Portillo Guisado, Ramón Carlos; Carrasco Solís, Juan Manuel; García Franquelo, Leopoldo (World Scientific Publishing, 2004)
    his paper presents a fast and simple space vector modulation algorithm for voltage source multilevel converters for calculating the switching times and the space vectors using simple geometrical considerations. This method ...
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    Multilevel Multiphase Feedforward Space-Vector Modulation Technique  [Article]

    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)
    Multiphase converters have been applied to an increasing number of industrial applications in recent years. On the other hand, multilevel converters have become a mature technology mainly in medium- and high-power applications. ...
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    Adaptive Vectorial Filter for Grid Synchronization of Power Converters Under Unbalanced and/or Distorted Grid Conditions  [Article]

    Vázquez Pérez, Sergio; Sánchez Segura, Juan Antonio; Reyes Díaz, Manuel Rafael; León, José Ignacio; Carrasco Solís, Juan Manuel (Institute of Electrical and Electronics Engineers (IEEE), 2014)
    This paper presents a new synchronization scheme for detecting multiple positive-/negative-sequence frequency harmonics in three-phase systems for grid-connected power converters. The proposed technique is called MAVF-FLL ...
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    Variable-Angle Phase-Shifted PWM for Multilevel Three-Cell Cascaded H-bridge Converters  [Article]

    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)
    Multilevel cascaded H-bridge converters have become a mature technology for applications where high-power medium ac voltages are required. Normal operation of multilevel cascaded H-bridge converters assumes that all power ...
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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  [Article]

    Rahul, Arun S.; Sudharshan Kaarthik, R.; Gopakumar, K.; García Franquelo, Leopoldo; León, José Ignacio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    For cascaded multilevel inverter topologies with a single dc supply, closed-loop capacitor voltage control is necessary for proper operation. This paper presents zero and reduced common-mode voltage (CMV) operation of a ...
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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  [Article]

    León, José Ignacio; Kouro, Samir; García Franquelo, Leopoldo; Rodríguez, José; Wu, Bin (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    The cost reduction of power-electronic devices, the increase in their reliability, efficiency, and power capability, and lower development times, together with more demanding application requirements, has driven the ...
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    Selective Harmonic Mitigation Technique for High-Power Converters  [Article]

    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)
    In high-power applications, the maximum switching frequency is limited due to thermal losses. This leads to highly distorted output waveforms. In such applications, it is necessary to filter the output waveforms using bulky ...
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    DC-Voltage-Ratio Control Strategy for Multilevel Cascaded Converters Fed With a Single DC Source  [Article]

    Vázquez Pérez, Sergio; León, José Ignacio; Franquelo, L.G.; Padilla, José J.; Carrasco Solís, Juan Manuel (Institute of Electrical and Electronics Engineers, 2009)
    Recently, a multilevel cascaded converter fed with a single DC source has been presented. An analysis of the steady-state working limits of this type of converter is presented in this paper. Limits of the maximum output ...
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    Microlab-en-Chip para Producción de Radiofármacos para Diagnóstico PET  [PhD Thesis]

    Salvador Domínguez, Blas (2019-11-14)
    El objetivo de esta tesis es realizar un sistema de síntesis de radiofármacos PET que mejore los actuales procesos de producción y optimizar la eficiencia de los protocolos de generación de dichos radiofármacos. Para llevar ...
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    Failure Detection by signal similarity measurement of Brushless DC motors  [PhD Thesis]

    Fico, Vito Mario (2019-09-20)
    During the last years the Brushless DC (BLDC) motors are gaining popularity as a solution for providing mechanical power, starting from low cost mobility solutions like the electric bikes, to high performance and high ...
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    Advanced control strategies applied to power converters  [PhD Thesis]

    Luo, Wensheng (2019-09-05)
    Los convertidores de potencia basados en interruptores de potencia controlables son equipos indispensables en los sistemas de potencia modernos. Sirven como interfaces inteligentes entre la red pública, las fuentes de ...
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    Vectores virtuales de tensión en control directo de par para una máquina de inducción de seis fases  [Article]

    García Entrambasaguas, Paula; González Prieto, Ignacio; Durán Martínez, Mario Javier; Bermúdez Guzmán, Mario; Barrero, Federico (Universitat Politècnica de València, 2018)
    Las máquinas multifásicas se presentan como una alternativa real en aquellas aplicaciones industriales que requieren unas mejores prestaciones que las proporcionadas por los sistemas convencionales trifásicos. La tendencia ...

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