Exploració per autor "Sala Caselles, Vicenç"
Ara es mostren els items 21-36 de 36
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Loudspeaker Rub Fault Detection by Means of a New Nonstationary Procedure Test
Ruiz Illana, Germán; Sala Caselles, Vicenç; Delgado Prieto, Miquel; Ortega Redondo, Juan Antonio (2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper addresses rub defect loudspeaker detection. The study includes a simulation with a rub model based on classical static coulomb friction added to the loudspeaker nonlinearities parametric model to demonstrate ... -
Method to reduce THD and improve efficiency in SiC power converter.
Fernández Palomeque, Efrén Esteban; Paredes Camacho, Alejandro; Sala Caselles, Vicenç; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2018)
Text en actes de congrés
Accés obertThis paper presents a method to reduce total harmonic distortion (THD) and improve efficiency of a topology of power converter using SiC devices. The method consists of two parts: the first part finds the optimum offset ... -
Methodology for lighting optimization applied to photocatalytic reactors
Tapia Tlatelpa, Tecilli; Trull Silvestre, José Francisco; Sala Caselles, Vicenç; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Comunicació de congrés
Accés obertReplacement of conventional UV-lamps used in photocatalytic reactors by UV-LED sources with lower energy consumption and larger versatility has been proposed recently; However, the implementation of these types of sources ... -
Millora de material docent en l'àmbit de l'electrònica de potència a l'EUETIT i l'EPSEM adaptat als crèdits ECTS.
Jaen Fernandez, Carles; Martínez Teixidor, Inmaculada; Pano Ferrer, Olga; Pou Félix, Josep; Sala Caselles, Vicenç; Vicente Rodrigo, Jesús; Pérez, Daniel; Salvador, Antoni; Pineda, Joan Carles; Roca Lefler, Marta; Mas, Andreu; Ojalvo, Pedro; Bacardit, Roger; Planas, Montserrat (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-02-11)
Comunicació de congrés / Text en actes de congrés
Accés obertEl projecte “Millora de material docent en l'àmbit de l'electrònica de potència a l'EUETIT i l'EPSEM adaptat als crèdits ECTS” te com a finalitat la millora de la formació i rendiment acadèmic dels estudiants tenint present ... -
Multilevel DCI-NPC power amplifier high-frequency distortion analysis through parasitic inductance dynamic model
Sala Caselles, Vicenç; Ruiz Illana, Germán; López Calle, Esther; Romeral Martínez, José Luis (2011)
Text en actes de congrés
Accés restringit per política de l'editorialThe high frequency distortions sources in DCI-NPC (Diode Clamped Inverter-Neutral Point Converter) amplifiers topology are studied and analyzed. It is justified the need of designing a model which contains the different ... -
Neutral-point oscillation control based on a new audio space vector modulation (A-SVM) for DCI-NPC power amplifiers
Sala Caselles, Vicenç; Romeral Martínez, José Luis; Ruiz Illana, Germán (2011)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, the oscillation or flotation in the DC-BUS neutral point in the DCI-NPC (Diode Clamped Inverter–Neutral Point Clamped) amplifiers is presented as one of the most important distortion sources. This perturbation ... -
New strategy to minimize dead-time distortion in DCI-NPC power amplifiers using COE-error injection
Resano, Tomas; Sala Caselles, Vicenç; Romeral Martínez, José Luis; Moreno Eguilaz, Juan Manuel (Curran, 2013)
Text en actes de congrés
Accés restringit per política de l'editorialThe DCI-NPC topology has become one of the best options to optimize energy efficiency in the world of high power and high quality amplifiers. This can use an analog PWM modulator that is sensitive to generate distortion ... -
Observer-based open transistor fault diagnosis and fault-tolerant control of five-phase permanent magnet motor drive for application in electric vehicles
Salehifar, Mehdi; Salehi Arashloo Arashloo, Ramin; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Romeral Martínez, José Luis (2015-01-01)
Article
Accés obertTo meet increasing demand for higher reliability in power electronics converters applicable in electric vehicles, fault detection (FD) is an important part of the control algorithm. In this study, a model-based open ... -
Optimal fitting of high-frequency cable model parameters by applying evolutionary algorithms
Bogarra Rodríguez, Santiago; Riba Ruiz, Jordi-Roger; Sala Caselles, Vicenç; García Espinosa, Antonio (2017-05-01)
Article
Accés obertDue to the widespread use of electronic power converters, low-voltage high-frequency cable models are being increasingly applied in industry, automobile or aeronautics applications among others. It is known that depending ... -
Performance analysis and methodology for replacing conventional lamps by optimized LED arrays for photocatalytic processes
Tapia Tlatelpa, Tecilli; Buscio Olivera, Valentina; Trull Silvestre, José Francisco; Sala Caselles, Vicenç (2020-04-01)
Article
Accés obertOne of the main drawbacks of heterogeneous photocatalysis is the high consumption of electrical energy generated by conventional lamps. This study proposes a methodology to find the best distribution of light emitting ... -
Power converters and its application in electric traction systems. Analysis present and future technologies
Fernández Palomeque, Efrén Esteban; Romeral Martínez, José Luis; Sala Caselles, Vicenç (2016-02-01)
Article
Accés obertthe traction systems for electric vehicles have advanced considerably over recent years, with the application of different topologies of power converters for the control of various types of electric induction motors and ... -
Ripple free fault tolerant control of five phase permanent magnet machines
Salehi Arashloo Arashloo, Ramin; Salehifar, Mehdi; Romeral Martínez, José Luis; Sala Caselles, Vicenç (2013)
Text en actes de congrés
Accés restringit per política de l'editorialThis study is dealt with fault tolerant control of five phase permanent magnet (PM) machines. The main objectives are to increase the output power while eliminating the generated torque ripples. As a new aspect, the effect ... -
SISTEMES ELECTRONICS TRANSMISSIO I POTENCIA EQUIPS AUDIO-VIS (Examen 1r Quadr.)
Sala Caselles, Vicenç (Universitat Politècnica de Catalunya, 2005-11-10)
Examen
Accés restringit a la comunitat UPC -
SISTEMES ELECTRONICS TRANSMISSIO I POTENCIA EQUIPS AUDIO-VIS (Examen 1r Quadr.)
Sala Caselles, Vicenç (Universitat Politècnica de Catalunya, 2005-01-10)
Examen
Accés restringit a la comunitat UPC -
Study and evaluation of MOSFET Rds(ON)-impedance efficiency losses in high power multilevel DCI-NPC amplifiers
Sala Caselles, Vicenç; Ruiz Illana, Germán; Romeral Martínez, José Luis (2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis work justifies the usefulness of multilevel Powe Amplifiers with DCI-NPC (Diode Clamped Inverter–Neutral Point Converter) topology in applications where size and weight needs was optimized. These Amplifiers can work ... -
Study and improvement of DC-Link perturbations models for DCI-NPC power amplifiers
Sala Caselles, Vicenç; Romeral Martínez, José Luis (2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents the most important sources of distortion in high power DCI-NPC amplifiers. These distortions sources are attributed to power supply perturbations due to the DC-Link midpoint voltage oscillations. It is ...