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

Ara es mostren els items 81-100 de 201

    • Fault detection by means of Hilbert-Huang transform of the stator current in a PMSM with demagnetization 

      García Espinosa, Antonio; Rosero García, Javier Alveiro; Cusidó Roura, Jordi; Romeral Martínez, José Luis; Ortega Redondo, Juan Antonio (2010-06)
      Article
      Accés obert
      This paper presents a novel method to diagnose demagnetization in permanent-magnet synchronousmotor (PMSM). Simulations have been performed by 2-D finite-element analysis in order to determine the current spectrum and ...

    • Fault detection in dynamic conditions by means of discrete wavelet decomposition for PMSM running under bearing damage 

      Rosero García, Javier Alveiro; Romeral Martínez, José Luis; Rosero, Esteban; Urresty Betancourt, Julio César (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
      Text en actes de congrés
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      This paper presents a study of the Permanent Magnet Synchronous Machine (PMSM) running under bearing damage. To carry out the study a two-dimensional (2-D) Finite Element Analysis (FEA) is used. Stator current induced ...

    • Fault tolerant operation of a five phase converter for PMSM drives 

      Salehifar, Mehdi; Salehi Arashloo Arashloo, Ramin; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Romeral Martínez, José Luis (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper a five phase fault tolerant converter is proposed for permanent magnet (PM) drives. The proposed configuration is an extension of conventional three phase double switch redundant topologies. In contrast to ...

    • Flexible smart energy-management systems using an online tendering process framework for microgrids 

      Selseleh Jonban, Mansour; Romeral Martínez, José Luis; Rakhshani, Elyas; Marzband, Mousa (2023-07-01)
      Article
      Accés obert
      Currently, modern power grids are evolving into complex cyber-physical systems integrated with distributed energy resources that can be controlled and monitored by computer-based algorithms. Given the increasing prevalence ...

    • Fully Noncontact Hybrid NDT for 3D Defect Reconstruction Using SAFT Algorithm and 2D Apodization Window 

      Mohamed Selim, Hossameldin; Trull Silvestre, José Francisco; Delgado Prieto, Miquel; Pico Vila, Rubén; Romeral Martínez, José Luis; Cojocaru, Crina (Multidisciplinary Digital Publishing Institute (MDPI), 2019-05-08)
      Article
      Accés obert
      Nondestructive testing of metallic objects that may contain embedded defects of different sizes is an important application in many industrial branches for quality control. Most of these techniques allow defect detection ...

    • Future European energy markets and Industry 4.0 potential in energy transition towards decarbonization 

      Urbano González, Eva María; Martínez Viol, Víctor; Kampouropoulos, Konstantinos; Romeral Martínez, José Luis (AEDERMACP (European Association for the Development of Renewable Energies and Power Quality), 2020)
      Text en actes de congrés
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      Climate change, economic growth and fossil fuel price volatility are forcing governments and thus society to adopt economical and technical measures in the energy sector to reach sustainability. These actions can be seen ...

    • Genetic algorithm-based output power optimisation of fault tolerant five-phase brushless direct current drives applicable for electrical and hybrid electrical vehicles 

      Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis; Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel (2014-08-01)
      Article
      Accés restringit per política de l'editorial
      This study presents a method to improve the output power of five-phase brushless direct current (BLDC) motors under different faulty conditions. Different machine connections are considered while having open-circuit fault ...

    • Grafana: Configuración de dashboard 

      Romeral Martínez, José Luis; Delgado Prieto, Miquel; Ramírez Chávez, Mayra; Arellano Espitia, Francisco; Ustrell Castellet, Marc; Valls Pérez, Joan (2023-10-30)
      Audiovisual
      Accés obert

    • Grafana: Configuración de fuente de datos 

      Romeral Martínez, José Luis; Delgado Prieto, Miquel; Ramírez Chávez, Mayra; Arellano Espitia, Francisco; Ustrell Castellet, Marc; Valls Pérez, Joan (2023-10-27)
      Audiovisual
      Accés obert

    • Grafana: Configuración de Grafana 

      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

    • Healthy and open phase PMaSynRM model based on virtual reluctance concept 

      Michalski, Tomasz Dobromir; Romeral Martínez, José Luis; Mino Aguilar, Gerardo (2021-11-23)
      Article
      Accés obert
      The trend in the industrial power electronics electrical drives is to reach high power density and high efficiency in variable load conditions at cost-effective unwasteful designs. Currently, motors with permanent magnets ...

    • HVAC early fault detection using a fuzzy logic based approach 

      Martínez Viol, Víctor; Urbano González, Eva María; Delgado Prieto, Miquel; Romeral Martínez, José Luis (AEDERMACP (European Association for the Development of Renewable Energies and Power Quality), 2020)
      Text en actes de congrés
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      The need for improving the energy efficiency of existing buildings has driven to the implementation of building energy management systems (BEMS) that can help facilities manager to discover and identify problems that may ...

    • Impact of neutral point current control on copper loss distribution of five phase PM generators used in wind power plants 

      Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis; Salehifar, Mehdi; Sala Caselles, Vicenç (2014)
      Article
      Accés obert
      Efficiency improvement under faulty conditions is one of the main objectives of fault tolerant PM drives. This goal can be achieved by increasing the output power while reducing the losses. Stator copper loss not only ...

    • Impedance networks and its application in power for electric traction systems 

      Fernández Palomeque, Efrén Esteban; Romeral Martínez, José Luis; Sala Caselles, Vicenç (2016-04-26)
      Article
      Accés obert
      The use of impedance networks in different types of DC/DC, DC/AC and AC/AC converters, has increased significantly, and many converters topologies and articles VSI and CSI with impedance networks have been presented for ...

    • Implementation of high frequency SVM in a digital system for CS-SiC inverter 

      Fernández Palomeque, Efrén Esteban; Paredes, Alejandro; Sala, Vicent; Romeral Martínez, José Luis (Las Palmas : European Association of the Development of Renewable Energy, Environment and Power Quality, 2017)
      Comunicació de congrés
      Accés obert
      The operation of current source inverters at high frequency allows to reduce the size of the input coil and output filters. These advantages allowed to obtain converters with better performance and to reduce the size and ...

    • Implementation of the Direct Torque Control (DTC) in current model, with current starting limiter 

      Mino Aguilar, Gerardo; Muñoz Hernández, German Ardul; Romeral Martínez, José Luis; Cortez, Liliana; Saynes Torres, J. (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents the scheme of Direct Torque Control (DTC) for induction motor drives, where flux and torque of the motor are estimated by the IM current model. Its scheme requires the knowledge of speed, rotor time ...

    • Improved open switch fault detection based on normalized current analysis in multiphase fault tolerant converters 

      Salehifar, Mehdi; Moreno Eguilaz, Juan Manuel; Sala Caselles, Vicenç; Salehi Arashloo Arashloo, Ramin; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      A new open switch fault detection method based on normalized current analysis is proposed for application in multiphase fault tolerant PMSM drives. Performance characteristics of proposed method are single diagnostic ...

    • In situ decolorization monitoring of textile dyes for an optimized UV-LED/TiO2 reactor 

      Tapia Tlatelpa, Tecilli; Trull Silvestre, José Francisco; Romeral Martínez, José Luis (2019-08-01)
      Article
      Accés obert
      Heterogeneous photocatalysis, using photocatalysts in suspension to eliminate diverse contaminants, including textile wastewater, has several advantages. Nevertheless, current absorbance and decolorization measurements ...

    • Incremental learning framework-based condition monitoring for novelty fault identification applied to electromechanical systems 

      Saucedo Dorantes, Juan Jose; Delgado Prieto, Miquel; Cariño Corrales, Jesús Adolfo; Osornio Rios, Roque A.; Romeral Martínez, José Luis; Romero Troncoso, René (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
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      A great deal of investigations are being carried out towards the effective implementation of the 4.0 Industry new paradigm. Indeed, most of the machinery involved in industrial processes are intended to be digitalized ...

    • InfluxDB: Creación de base de datos PDI 

      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