Exploració per autor "Romeral Martínez, José Luis"
Ara es mostren els items 29-48 de 201
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Active learning based laboratory towards engineering education 4.0
(2019)
Text en actes de congrés
Accés obertUniversities have a relevant and essential key role to ensure knowledge and development of competencies in the current fourth industrial revolution called Industry 4.0. The Industry 4.0 promotes a set of digital technologies ... -
Activity-aware HVAC power demand forecasting
(2018-07-01)
Article
Accés obertThe forecasting of the thermal power demand is essential to support the development of advanced strategies for the management of local resources on the consumer side, such as heating ventilation and air conditioning (HVAC) ... -
An acoustic emission activity detection method based on short-term waveform features: application to metallic components under uniaxial tensile test
(2020-08-01)
Article
Accés obertThe Acoustic Emission (AE) phenomenon has been used as a powerful tool with the purpose to either detect, locate or assess damage for a wide range of applications. Derived from its monitoring, one major current challenge ... -
An energy prediction method using adaptive Neuro-Fuzzy Inference System and Genetic Algorithms
(2013)
Text en actes de congrés
Accés restringit per política de l'editorialThis document presents an energy forecast methodology using Adaptive Neuro-Fuzzy Inference System (ANFIS) and Genetic Algorithms (GA). The GA has been used for the selection of the training inputs of the ANFIS in order to ... -
An introduction to fault diagnosis of permanent magnet synchronous machines in master's degree courses
(John Wiley & Sons, 2010-08-16)
Article
Accés restringit per política de l'editorialEarly fault detection and diagnosis of high-performance electric motors has been an active area of research for the past two decades. This work presents a practical session that facilitates instructing students in this ... -
An optimal tracking power sharing controller for inverter-based generators in grid-connected mode
(2019)
Text en actes de congrés
Accés restringit per política de l'editorialIn this work, an optimal power sharing controller for a three-phase Inverter-based Generator (IG) in a synchronous d-q reference frame is presented. The optimization of this controller is computed using a Linear-Quadratic ... -
Analysis of demagnetization faults in surface-mounted permanent magnet synchronous motors with symmetric windings
(IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper analyzes a surface-mounted permanent magnet synchronous motor with symmetric winding configuration running under demagnetization fault. The analysis is based on 2D FEM simulations which includes rotor magnet ... -
Analysis of demagnetization faults in surface-mounted permanent magnet synchronous with inter-turns and phase-to-ground short-circuits
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialDemagnetization faults are troublesome in permanent magnet synchronous motors since they may greatly reduce their performance and efficiency. Additionally, the temperature of the magnets deeply influences the remanent flux ... -
Analysis of power converters with devices of SiC for applications in electric traction systems
(Institute of Electrical and Electronics Engineers (IEEE), 2016)
Text en actes de congrés
Accés obertThis article presents the analysis of two topologies of power converters. Voltage Source Inverter (VSI) and Current Source Inverter (CSI) proposals for traction system applications, these topologies are implemented with ... -
Análisis eléctrico del altavoz dinámico mediante modelado de anomalías mecánicas de fricción
(2010)
Text en actes de congrés
Accés obertEl presente trabajo busca caracterizar el efecto de la fricción del conjunto móvil con el polo o el núcleo de la estructura magnética sobre la corriente absorbida por el altavoz, una de las más relevantes anomalías mecánicas ... -
Application of the zero-sequence voltage component to detect stator winding inter-turn faults in PMSMs
(2012-08)
Article
Accés restringit per política de l'editorialThis paper develops and analyzes a methodology for detecting stator winding inter-turn faults in surface-mounted permanent magnet synchronous motors. The proposed methodology is based on monitoring the zero-sequence voltage ... -
Automatic model calibration for coupled HVAC and building dynamics using Modelica and Bayesian optimization
(Elsevier, 2022-12)
Article
Accés restringit per política de l'editorialIn recent years, increasing the energy efficiency of the building has become one of the objectives of facility managers. In this sense, monitoring-based commissioning and automated fault detection have demonstrated to be ... -
Autonomous energy management system with self-healing capabilities for green buildings (Microgrids)
(Elsevier, 2021-02)
Article
Accés obertNowadays, distributed energy resources are widely used to supply demand in micro grids specially in green buildings. These resources are usually connected by using power electronic converters, which act as actuators, to ... -
Bases de datos: Introducción y caso de aplicación
(2023-10-27)
Audiovisual
Accés obert -
Bearings fault detection using inference tools
(In-Tech, 2011-09)
Capítol de llibre
Accés obertThe most used electric machine in the industry is the Induction Motor (IM), due to its simplicity and reduced cost. The analysis of the origin of IMs failures exhibits that the bearings are the major source of fault, and ... -
Clamping diode caused distortion in multilevel NPC Full-Bridge audio power amplifiers
(2012)
Text en actes de congrés
Accés restringit per política de l'editorialThis paper presents a study and analysis of the distorting effects of clamped diodes in multilevel DCI-NPC topology applied to high power and high quality audio-amplifier. The main distorting sources of error are characterized, ... -
Closed-loop controller for eliminating the contact bounce in DC core contactors
(2010-09)
Article
Accés obertThe undesirable phenomenon of the contact bounce causes severe erosion of the contacts and, as a consequence, their electrical life and reliability are greatly reduced. On the other hand, the bounce of the armature can ... -
Common-mode voltage mitigation strategies using sigma-delta modulation in five-phase VSIs
(Institute of Electrical and Electronics Engineers (IEEE), 2022-10)
Article
Accés obertVarious sigma–delta ( S ¿ ) modulation techniques for reducing the maximum peak-to-peak amplitude of common-mode voltage (CMV) by 80% in a five-phase, high-frequency voltage source inverter (VSI) are proposed and evaluated ... -
Comparative analysis of SVM techniques for a five-phase VSI based on SiC devices
(2020-12-14)
Article
Accés obertMultiphase systems provides benefits compared to three-phase systems, such as improved torque per ampere, high power density, better fault tolerance, lower current per phase (due to power-splitting among a higher number ... -
Computationally efficient design and optimization approach of PMa-SynRM in frequent operating torque-speed range
(2018-04-30)
Article
Accés restringit per política de l'editorialThis paper proposes a design process of permanent magnet assisted synchronous reluctance motors (PMa-SynRM) intended for vehicular propulsion. This approach takes into account range optimization and a multiphysics evaluation ...
