Ara es mostren els items 1-20 de 36

  • A combined methodology of adaptive neuro-fuzzy inference system and genetic algorithm for short-term energy forecasting 

    Kampouropoulos, Konstantinos; Andrade Rengifo, Fabio; García Espinosa, Antonio; Romeral Martínez, José Luis (2014-02)
    Article
    Accés obert
    This 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 ...
  • A computer model for teaching the dynamic behavior of AC contactors 

    Riba Ruiz, Jordi-Roger; García Espinosa, Antonio; Romeral Martínez, José Luis (2010-05)
    Article
    Accés obert
    AC-powered contactors are extensively used in industry in applications such as automatic electrical devices, motor starters, and heaters. In this work, a practical session that allows students to model and simulate the ...
  • A genetic algorithm approach to optimization of power peaks in an automated warehouse 

    Cárdenas Araújo, Juan José; García Espinosa, Antonio; Romeral Martínez, José Luis; Andrade Rengifo, Fabio (IEEE Press. Institute of Electrical and Electronics Engineers, 2009)
    Text en actes de congrés
    Accés obert
    The simultaneous operation of the automated storage and retrieval machines (ASRs) in an automated warehouse can increase the likelihood that high power demand peaks turn unstable the electric system. Furthermore, high ...
  • A multi-objective GA to demand-side management in an automated warehouse 

    Cárdenas Araújo, Juan José; García Espinosa, Antonio; Romeral Martínez, José Luis; Urresty Betancourt, Julio César (2009)
    Text en actes de congrés
    Accés obert
    The simultaneous operation of the automated storage and retrieval machines (ASRs) in an automated warehouse can increase the likelihood that high power demand peaks turn unstable the electric system. Furthermore, high ...
  • A new auto-provisioned squat-based traffic management strategy for multiclass networks 

    Hesselbach Serra, Xavier; García Espinosa, Antonio (2009)
    Text en actes de congrés
    Accés obert
    In search of being able to offer better quality of service (QoS) in multiclass networks, a strategy that aims to allow resources between different classes of service (CoS) to be shared according to the class’s needs and ...
  • A novel condition monitoring scheme for bearing faults based on Curvilinear Component Analysis and hierarchical neural networks 

    Delgado Prieto, Miquel; Cirrincione,, Giansalvo; García Espinosa, Antonio; Ortega Redondo, Juan Antonio; Henao, Humberto (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Mostly the faults in electrical machines are related with the bearings. Thus, a reliable bearing condition monitoring scheme able to detect either local or distributed defects are mandatory to avoid a breakdown in the ...
  • Accurate Bearing Faults Classification based on Statistical-Time Features, Curvilinear Component Analysis and Neural Networks 

    Delgado Prieto, Miquel; Cirrincione,, Giansalvo; García Espinosa, Antonio; Ortega Redondo, Juan Antonio; Henao, Humberto (2012)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Bearing faults are the commonest form of malfunction associated with electrical machines. So far, the research has been carried out mainly in the detection of localized faults, but the diagnosis of distributed faults ...
  • An educational tool to assist the design process of switched reluctance machines 

    Riba Ruiz, Jordi-Roger; Romero, Itamar; García Espinosa, Antonio (2016-07-13)
    Article
    Accés obert
    The design of electric machines is a hot topic in the syllabuses of several undergraduate and graduate courses. With the development of hybrid and electrical vehicles, this subject is gaining more popularity, especially ...
  • An introduction to fault diagnosis of permanent magnet synchronous machines in master's degree courses 

    Riba Ruiz, Jordi-Roger; García Espinosa, Antonio; Romeral Martínez, José Luis; Ortega Redondo, Juan Antonio (John Wiley & Sons, 2010-08-16)
    Article
    Accés restringit per política de l'editorial
    Early 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 ...
  • Bearing fault detection by a novel condition-monitoring scheme based on statistical-time features and neural networks 

    Delgado Prieto, Miquel; Cirrincione, Giansalvo; García Espinosa, Antonio; Ortega Redondo, Juan Antonio; Henao, Humberto (Institute of Electrical and Electronics Engineers (IEEE), 2013-08)
    Article
    Accés restringit per política de l'editorial
    Bearing degradation is the most common source of faults in electrical machines. In this context, this work presents a novel monitoring scheme applied to diagnose bearing faults. Apart from detecting local defects, i.e., ...
  • Closed-loop controller for eliminating the contact bounce in DC core contactors 

    García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Cusido Roura, Jordi; Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis (2010-09)
    Article
    Accés obert
    The 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 ...
  • Constrained-size torque maximization in SynRM machines by means of genetic algorithms 

    López Torres, Carlos; Sala Cardoso, Enric; García Espinosa, Antonio; Romeral Martínez, José Luis (2015)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Synchronous Reluctance Motors have always been an alternative to more mainstream machines such as the Permanent Magnet Synchronous Motor, but until recently they have not found their right place in industrial applications. ...
  • Cursp práctico de microprocesadores con metodología semipresencial 

    Ortega Redondo, Juan Antonio; Romeral Martínez, José Luis; Thomaschewski, J; García Espinosa, Antonio; Cusido Roura, Jordi; Mon González, Juan (Universitat Politècnica de Catalunya, 2004)
    Text en actes de congrés
    Accés obert
    El objetivo final de esta experiencia es mejorar la docencia impartida por el Departamento de Ingeniería Electrónica en el Campus de Terrassa de la UPC en el área de microprocesadores. La mejora tiene dos ejes fundamentales, ...
  • Custom integer optimization method for wire bundle dimensioning 

    Rius Rueda, Armand; García Espinosa, Antonio; Díaz Millán, Manuel Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2016)
    Text en actes de congrés
    Accés obert
    Automotive wiring harnesses have gained weight and complexity through the last decades due to the increasing number of electrical components, which has raised the interest on its weight optimization. For this purpose, ...
  • Demagnetization diagnosis in permanent magnet synchronous motors under non-stationary speed conditions 

    Riba Ruiz, Jordi-Roger; García Espinosa, Antonio; Romeral Martínez, José Luis; Cusido Roura, Jordi (2010-10)
    Article
    Accés restringit per política de l'editorial
    Permanent magnet synchronous motors (PMSMs) are applied in high performance positioning and variable speed applications because of their enhanced features with respect to other AC motor types. Fault detection and diagnosis ...
  • Desenvolupament de recursos per a la creació i gestio de material docent orientat a l’aprenentatge actiu que faciliti l’adaptació d’assignatures tècniques a l’EEES i la seva aplicació a l’ensenyament de circuits elèctrics 

    Bogarra Rodríguez, Santiago; Font Piera, Antonio; Alabern Morera, Francesc Xavier; Rodríguez Cortés, Pedro; Grau Gotés, Mª Ángela; Pallarés Viña, Miguel Juan; Rocabert Delgado, Joan; Rolán Blanco, Alejandro; García Espinosa, Antonio (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-06-04)
    Comunicació de congrés
    Accés obert
    L'autoaprenentatge i l’autoavaluació d’assignatures tècniques requereixen eines de càlcul que no estan disponibles dintre del campus virtual ATENEA, per aquest motiu s’ha incorporat al campus virtual de la UPC el software ...
  • Desenvolupament de recursos per a la creació i gestió de material docent orientat a l’aprenentatge actiu que faciliti l’adaptació d’assignatures tècniques a l'EEES i la seva aplicació a l’ensenyament de circuits elèctrics 

    Bogarra Rodríguez, Santiago; Font Piera, Antonio; Alabern Morera, Francesc Xavier; Rodríguez Cortés, Pedro; Grau Gotés, Mª Ángela; Pallarés Viña, Miguel Juan; Rocabert Delgado, Joan; Rolán Blanco, Alejandro; García Espinosa, Antonio; Marsó Riera, Arnau; Jaime Salillas, Francisco; Tarrés Soler, Mireia (Universitat Politècnica de Catalunya. Institut de Ciències de l'Educació, 2010-02-11)
    Comunicació de congrés / Text en actes de congrés
    Accés obert
    L'autoaprenentatge i l’autoavaluació d’assignatures tècniques requereixen eines de càlcul que no estan disponibles dintre del campus virtual ATENEA, per aquest motiu s’ha incorporat al campus virtual de la UPC el software ...
  • Dynamic evaluation of fringing flux in linear electromechanical devices 

    García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Cusido Roura, Jordi; Romeral Martínez, José Luis; Ortega Redondo, Juan Antonio (2010-03-12)
    Article
    Accés restringit per política de l'editorial
    Accurate 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 ...
  • Evaluation of feature calculation methods for electromechanical system diagnosis 

    Delgado Prieto, Miquel; García Espinosa, Antonio; Ortega Redondo, Juan Antonio (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    The use of intelligent machine health monitoring schemes is increasing in critical applications as traction tasks in the transport sector. The high diagnosis capability and reliability required in these systems are being ...
  • Evaluation of machine learning techniques for electro-mechanical system diagnosis 

    Delgado Prieto, Miquel; García Espinosa, Antonio; Urresty Betancourt, Julio César; Riba Ruiz, Jordi-Roger; Ortega Redondo, Juan Antonio (IEEE Press. Institute of Electrical and Electronics Engineers, 2011)
    Text en actes de congrés
    Accés obert
    The application of intelligent algorithms, in electro-mechanical diagnosis systems, is increasing in order to reach high Reliability and performance ratios in critical and complex scenarios. In this context, different ...