Exploració per autor "Romeral Martínez, José Luis"
Ara es mostren els items 60-79 de 201
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Detection of inter-turn faults in five-phase permanent magnet synchronous motors
Saavedra Ordóñez, Harold; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (2014-11-27)
Article
Accés obertFive-phase permanent magnet synchronous motors (PMSMs) have inherent fault-tolerant capabilities. This paper analyzes the detection of inter-turn short circuit faults in five-phase PMSMs in their early stage, i.e. with ... -
Detection of inter-turns short circuits in permanent magnet synchronous motors operating under transient conditions by means of the zero sequence voltage
Urresty Betancourt, Julio César; Riba Ruiz, Jordi-Roger; Saavedra Ordóñez, Harold; Romeral Martínez, José Luis (2011)
Text en actes de congrés
Accés obertThis work proposes the zero sequence voltage component (ZSVC) of the stator three-phase voltages as a method for detecting winding inter-turns short circuits in permanent magnet synchronous motors PMSM operating under ... -
Detection of interturn faults in PMSMs with different winding configuration
Saavedra Ordóñez, Harold; Urresty Betancourt, Julio César; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (2014-03-03)
Article
Accés restringit per política de l'editorialInterturn faults in permanent magnet synchronous motors (PMSMs) may develop fast into more severe faults such as coil-to-coil, phase-to-phase and phase-to-ground short circuits. These faults are very destructive and may ... -
Detection of partial demagnetization fault in PMSMs operating under nonstationary conditions
Wang, Chao; Delgado Prieto, Miquel; Romeral Martínez, José Luis; Chen, Zhe; Blaabjerg, Frede; Liu, Xiaoyan (2016-07-01)
Article
Accés obertDemagnetization fault detection of in-service permanent magnet synchronous machines (PMSMs) is a challenging task, because most PMSMs operate under nonstationary circumstances in industrial applications. A novel approach ... -
Development of a behavior maps tool to evaluate drive operational boundaries and optimization assessment of PMa-SynRMs
López Torres, Carlos; Colls Castro, Carles; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2018-04-05)
Article
Accés obertThe trend in traction motor design and optimization is to achieve high torque and power densities, wider speed range and high efficiency within the area defining the most frequent operating points. A fast tool to evaluate ... -
Diagnosis method for suspension-errors detection in electro-dynamic loud-speakers
Sala Caselles, Vicenç; Delgado Prieto, Miquel; Cusidó Roura, Jordi; Romeral Martínez, José Luis (2011)
Text en actes de congrés
Accés restringit per política de l'editorialIn this paper, the wear of the suspensions in a speaker. This phenomenon can be characterized and seen as a variation of half inductance seen from the amplifier, because that value depends directly on the minimum and ... -
Docker: Creación de contenedores
Romeral Martínez, José Luis; Delgado Prieto, Miquel; Ramírez Chávez, Mayra; Arellano Espitia, Francisco; Ustrell Castellet, Marc; Valls Pérez, Joan (2023-10-20)
Audiovisual
Accés obert -
Docker: Instalación de Docker
Romeral Martínez, José Luis; Delgado Prieto, Miquel; Ramírez Chávez, Mayra; Arellano Espitia, Francisco; Ustrell Castellet, Marc; Valls Pérez, Joan (2023-10-20)
Audiovisual
Accés obert -
Dynamic evaluation of fringing flux in linear electromechanical devices
García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Cusidó Roura, Jordi; Romeral Martínez, José Luis; Ortega Redondo, Juan Antonio (2010-03-12)
Article
Accés restringit per política de l'editorialAccurate dynamic models of electromechanical devices are essential in order to develop effective motion control strategies of such devices. The effects of fringing flux can not be ignored when dealing with electromagn ... -
Efficiency evaluation of five-phase outer- rotor fault-tolerant BLDC drives under healthy and open-circuit faulty conditions
Salehi Arashloo Arashloo, Ramin; Salehifar, Mehdi; Saavedra Ordóñez, Harold; Romeral Martínez, José Luis (2014)
Article
Accés obertFault tolerant motor drives are an interesting subject for many applications such as automotive industries and wind power generation. Among different configurations of these systems, five-phase BLDC drives are gaining more ... -
Eficiencia energética: un problema, una reflexión y una solución
Romeral Martínez, José Luis (Campus de Terrassa de la UPC, 2013-06-13)
Text en actes de congrés
Accés obert -
Eines d’autor: avaluació de noves eines orientades al desenvolupament de competències genèriques per la millora del procés d’aprenentatge autònom dels estudiants
Calomarde Palomino, Antonio; Rubio Sola, Jose Antonio; Vigara Campmany, Julio Enrique; Romeral Martínez, José Luis; Ortega Redondo, Juan Antonio (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2013-02-08)
Text en actes de congrés / Comunicació de congrés
Accés obertEls cursos on-line massius (Massive Open On-line Courses) estan emergent i suposarà un gran repte en l’educació universitària en els propers anys. Universitats com Standford i MIT han començat aquest any cursos en obert ... -
EMA fault detection using fuzzy inference tools
Cusidó Roura, Jordi; Delgado Prieto, Miquel; Romeral Martínez, José Luis (2012-03-02)
Capítol de llibre
Accés obertAcoustic emission (AE) is one of the most important non-destructive testing (NDT) methods for materials, constructions and machines. Acoustic emission is defined as the transient elastic energy that is spontaneously released ... -
Energy crisis in Europe: the European Union’s objectives and countries’ policy trends—new transition paths?
Urbano González, Eva María; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis (2023-08-01)
Article
Accés obertAmidst the ongoing European energy crisis, the EU has proposed a legislative package to enhance gas independence from Russia, diversify energy supplies, and increase renewable energy targets. However, the urgency for energy ... -
Energy equipment sizing and operation optimisation for prosumer industrial SMEs – A lifetime approach
Urbano González, Eva María; Martínez Viol, Víctor; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis (2021-07-02)
Article
Accés obertThe market is searching for solutions to reduce emissions in the energy sector by increasing the consumer efficiency and flexibility and integrating renewable sources. Prosumers are suited to this role and are increasingly ... -
Energy management systems by means of computational intelligence algorithms
Cárdenas Araújo, Juan José; Romeral Martínez, José Luis; García, A. (Universitat Politècnica de Catalunya, 2010)
Text en actes de congrés
Accés obertThis work pretends to take advantage of powerful capabilities of computational intelligence to improve the actual features of modeling, prognosis, diagnosis and optimization of load demand for EMS. This work gives a ... -
Energy-Investment Decision-Making for Industry: Quantitative and Qualitative Risks Integrated Analysis
Urbano González, Eva María; Martínez Viol, Víctor; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis (Multidisciplinary Digital Publishing Institute (MDPI), 2021-06-21)
Article
Accés obertIndustrial SMEs may take the decision to invest in energy efficient equipment to reduce energy costs by replacing or upgrading their obsolete equipment or due to external socio-political and legislative pressures. When ... -
Estudio de microgrids con interfases de convertidores de DC/AC
Andrade Rengifo, Fabio; Kampouropoulos, Konstantinos; Cusidó Roura, Jordi; Romeral Martínez, José Luis (2011)
Text en actes de congrés
Accés obertEste artículo presenta un estudio de Microgrids con interfases de convertidores DC/AC. El artículo muestra los modos de operación de las Microgrids, además implementa un modelo de pequeña señal para el modo de operación ... -
Evaluation of multiclass novelty detection algorithms for electric machine monitoring
Ramirez Chavez, Mayra; Ruiz Soto, Lucía; Arellano Espitia, Francisco; Saucedo Dorantes, Juan Jose; Delgado Prieto, Miquel; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2019)
Text en actes de congrés
Accés restringit per política de l'editorialThe detection of unexpected events represents, currently, one of the most critical challenges dealing with electromechanical system diagnosis. In this regard, machine learning based algorithms widely applied in other fields ... -
Evaluation of trr distorting effects reduction in DCI-NPC multilevel power amplifiers by using SiC diodes and MOSFET technologies
Sala Caselles, Vicenç; Resano, Tomas; Romeral Martínez, José Luis; Moreno Eguilaz, Juan Manuel (Curran, 2013)
Text en actes de congrés
Accés restringit per política de l'editorialIn the last decade, the Power Amplifier applications have used multilevel diode-clamped-inverter or neutral-point-clamped (DCI-NPC) topologies to present very low distortion at high power. In these applications a lot of ...