Exploració per autor "Romeral Martínez, José Luis"Més informacióMés informació

Ara es mostren els items 108-127 de 201

    • La Experiencia del equipo ETSEIB-ELISAVA en la Barcelona Smart Moto Challenge: Un proyecto Learning-by-doing de diseño e ingeniería 

      Moreno Eguilaz, Juan Manuel; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis; Hernández Chiva, Emilio (Congrés Internacional de Docència Universitària i Innovació (CIDUI), 2014)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Se describe una experiencia docente pionera basada en el clásico concepto“learning-by-doing”, en la que diseño e ingeniería se unen para obtener un producto de mercado. En concreto, se describen los retos planteados así ...

    • Laboratori semipresencial de microprocessadors 

      Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis; Mon González, Juan; Capellá Frau, Gabriel José; Delgado Prieto, Miquel (2006-02)
      Text en actes de congrés
      Accés obert
      L’objectiu final d’aquest projecte és millorar la docència impartida per el Departament d’Enginyeria Electrònica en el Campus de Terrassa en el àrea de microprocessadors. La millora té dos eixos fonamentals, d’una banda ...

    • Laser Ultrasound Inspection Based on Wavelet Transform and Data Clustering for Defect Estimation in Metallic Samples 

      Mohamed Selim, Hossameldin; Delgado Prieto, Miquel; Trull Silvestre, José Francisco; Romeral Martínez, José Luis; Cojocaru, Crina (Multidisciplinary Digital Publishing Institute (MDPI), 2019-01-30)
      Article
      Accés obert
      Laser-generated ultrasound is a modern non-destructive testing technique. It has been investigated over recent years as an alternative to classical ultrasonic methods, mainly in industrial maintenance and quality control ...

    • Load forecasting in the user side using wavelet-ANFIS 

      Giacometto Torres, Francisco; Cárdenas Araújo, Juan José; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      At present, the intelligent energy management systems (IEMS) are used to maximiz the relation between productivity and cost using a variety of energy sources. Tn this work, we present a meth ...

    • Magnet shape influence on the performance of AFPMM in a torus configuration 

      Saavedra Ordóñez, Harold; Riba Ruiz, Jordi-Roger; Hernández Guiteras, Joan; Romeral Martínez, José Luis (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The axial flux permanent magnet machine (AFPMM)is being increasingly demanded for special applications, particularly for transportation systems and concretely for inwheel applications. In this paper the effect of the magnets ...

    • Magnet shape influence on the performance of AFPMM with demagnetization 

      Saavedra Ordóñez, Harold; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (IEEE Industrial Electronics Society, 2013)
      Text en actes de congrés
      Accés obert
      In this paper the effect of the magnets shape on the AFPMM performance under a demagnetization fault has been analyzed by means of 3D-FEM simulations. Demagnetization faults in permanent magnet synchronous motors (PMSMs) ...

    • Magnetic skew interface in five-phase ferrite assisted synchronous reluctance motor model 

      Michalski, Tomasz Dobromir; Romeral Martínez, José Luis; Mino Aguilar, Gerardo (2021-11-15)
      Article
      Accés obert
      Permanent Magnet Assisted Five-Phase Synchronous Machine is analytically modeled in the rotating (dq1dq3) reference frames. The cross saturation and space harmonics are captured in the magnetic flux maps obtained from ...

    • Mantenimiento predictivo de bajo coste: la evolución asequible hacía plantas industriales más eficientes 

      Romeral Martínez, José Luis; Delgado Prieto, Miquel (2013-07-01)
      Article
      Accés restringit per política de l'editorial

    • 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 obert
      This 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 obert
      Replacement 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 ...

    • Micromobility and smart cities: efficiency, energy consumption and range analysis for electric vehicles 

      Alcázar García, Désirée; Romeral Martínez, José Luis (EDP Sciences, 2022-04-22)
      Article
      Accés obert
      Climate change and smart cities are topics where a large number of resources are being invested to avoid it and advance its development respectively. This paper presents a calculation procedure of the car efficiency, energy ...

    • MICROXARXES I OPTIMITZACIÓ ENERGÈTICA (Examen 2n quadrimestre, 2n parcial) 

      Romeral Martínez, José Luis (Universitat Politècnica de Catalunya, 2015-06-12)
      Examen
      Accés restringit a la comunitat UPC

    • Mixed resistive unbalance and winding inter-turn faults model of permanent magnet synchronous motors 

      Urresty Betancourt, Julio; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis; Ortega Redondo, Juan Antonio (2015-03-01)
      Article
      Accés obert
      This work analyzes the behavior of surface-mounted permanent magnet synchronous motors (SPMSMs) operating under stator faults. The studied faults are resistive unbalance and winding inter-turn short circuits, which may ...

    • Model predictive current control of five phase permanent magnet motor 

      Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis; Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper deals with model predictive control of five phase permanent magnet motors. Using motor model, the stator currents are estimated for the following modulation period, and the required voltages are applied to ...

    • Model-based design validation and optimization of drive systems in electric, hybrid, plug-in hybrid and fuel cell vehicles 

      Alcázar García, Désirée; Romeral Martínez, José Luis (Elsevier, 2022-09-01)
      Article
      Accés restringit per política de l'editorial
      Currently we are at the beginning of the fourth industrial revolution, which involves, among others, technology to prevent climate change, transformation of the transport sector, digitization, and artificial intelligence. ...

    • Modeling of surface-mounted permanent magnet synchronous motors with stator winding inter-turn faults 

      Romeral Martínez, José Luis; Urresty Betancourt, Julio César; Riba Ruiz, Jordi-Roger; García Espinosa, Antonio (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-05-29)
      Article
      Accés restringit per política de l'editorial
      This paper develops and analyzes a parametric model for simulating healthy and faulty surface-mounted permanent magnet synchronous motors. It allows studying the effects of stator winding interturn short-circuit faults. ...

    • Modular software platform design for supporting a Circular Supply-Chain 

      Urbano González, Eva María; Martínez Viol, Víctor; Romeral Martínez, José Luis (2019)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In a circular economy system two main types of actors can be differentiated: stakeholders and end-users. Stakeholders are those who are involved in designing, manufacturing and re-processing materials, parts and products ...

    • Motor fault classification system including a novel hybrid feature reduction methodology 

      Delgado Prieto, Miquel; Urresty Betancourt, Julio César; Albiol, L.; Ortega Redondo, Juan Antonio; García Espinosa, Antonio; Romeral Martínez, José Luis; Vidal, E. (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The fault diagnosis field is in a continuous movement towards the generation of more reliable and powerful machine health monitoring schemes. Improved data processing methodologies are required to reach high diagnosis ...

    • Motor fault detection using a Rogowski sensor without an integrator 

      Poncelas, O; Rosero García, Javier Alveiro; Cusidó Roura, Jordi; Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis (2009-10)
      Article
      Accés obert
      This paper presents a new approach for the current acquisition system in motor fault detection applications. This paper includes the study, design, and implementation of a Rogowski coil current sensor without the integrator ...

    • Moving towards a more electric aircraft 

      Rosero García, Javier Alveiro; Ortega Redondo, Juan Antonio; Aldabas Rubira, Emiliano; Romeral Martínez, José Luis (2007-03)
      Article
      Accés obert
      The latest advances in electric and electronic aircraft technologies from the point of view of an "all-electric" aircraft are presented herein. Specifically, we describe the concept of a "more electric aircraft" (MEA), ...