Ara es mostren els items 21-40 de 54

    • 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, Maria Àngela; 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 ...
    • Design and optimization for vehicle driving cycle of rare-earth-free SynRM based on coupled lumped thermal and magnetic networks 

      López Torres, Carlos; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (2018-01-01)
      Article
      Accés restringit per política de l'editorial
      This work presents a range optimization of a SynRM (synchronous reluctance motor) and a PMaSynRM (permanent-magnet-assisted synchronous reluctance motor) according to a standard driving cycle, and the solutions obtained ...
    • Detailed off-line parameter identification of synchronous generator based on frequency response tests 

      Bogarra Rodríguez, Santiago; García Espinosa, Antonio; Moreno Eguilaz, Juan Manuel; Riba Ruiz, Jordi-Roger (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Comunicació de congrés
      Accés obert
      This work presents a general methodology, based on standstill frequency response tests. Once the circuit topology is chosen, it allows a systematic calculation of the circuit parameters for a salient pole synchronous ...
    • Detection of eccentricity faults in five-phase ferrite-PM assisted synchronous reluctance machines 

      López Torres, Carlos; Riba Ruiz, Jordi-Roger; García Espinosa, Antonio; Romeral Martínez, José Luis (Multidisciplinary Digital Publishing Institute, 2017-05-31)
      Article
      Accés obert
      Air gap eccentricity faults in five-phase ferrite-assisted synchronous reluctance motors (fPMa-SynRMs) tend to distort the magnetic flux in the air gap, which in turn affects the spectral content of both the stator currents ...
    • Detection of inter-turn faults in multi-phase ferrite-PM assisted synchronous reluctance machine 

      Candelo Zuluaga, Carlos Andres; Riba Ruiz, Jordi-Roger; López Torres, Carlos; García Espinosa, Antonio (Multidisciplinary Digital Publishing Institute (MDPI), 2019-07-17)
      Article
      Accés obert
      Inter-turn winding faults in five-phase ferrite-permanent magnet-assisted synchronous reluctance motors (fPMa-SynRMs) can lead to catastrophic consequences if not detected in a timely manner, since they can quickly progress ...
    • Detection of partial demagnetization faults in five-phase permanent magnet assisted synchronous reluctance machines 

      Candelo Zuluaga, Carlos Andres; Riba Ruiz, Jordi-Roger; Thangamuthu, Dinesh V; García Espinosa, Antonio (2020-07-03)
      Article
      Accés obert
      This paper analyzes partial demagnetization faults in a five-phase permanent magnet assisted synchronous reluctance motor (fPMa-SynRM) incorporating ferrite permanent magnets (PMs). These faults are relevant because of the ...
    • 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 obert
      The 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 ...
    • 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'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 ...
    • Evolutive ANFIS training for energy load profile forecast for an IEMS in an automated factory 

      Cárdenas Araújo, Juan José; García Espinosa, Antonio; Romeral Martínez, José Luis; Kampouropoulos, Konstantinos (2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper an evolutive algorithm is used to train an adaptative-network-based fuzzy inference system (ANFIS), particularly a genetic algorithm (GA). The GA is able to train the antecedent and consequent parameters of ...
    • 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 ...
    • Feature extraction of demagnetization faults in permanent-magnet synchronous motors based on box-counting fractal dimension 

      Delgado Prieto, Miquel; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Urresty Betancourt, Julio César; Ortega Redondo, Juan Antonio (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-05)
      Article
      Accés restringit per política de l'editorial
      This paper presents a methodology for feature extraction of a new fault indicator focused on detecting demagnetization faults in a surface-mounted permanent-magnet synchronous motors operating under nonstationary conditions. ...
    • INSTRUMENTACIÓ ELECTRÒNICA (2n quadrimestre, 1r parcial) 

      García Espinosa, Antonio (Universitat Politècnica de Catalunya, 2011-04-06)
      Examen
      Accés restringit a la comunitat UPC
    • 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 ...
    • 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. ...
    • 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 ...
    • Multi electrical machine pre-design tool with error handling and machine specific advanced graphical design aid features based on Modelica 

      Michalski, Tomasz Dobromir; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Romeral Martínez, José Luis (2015)
      Text en actes de congrés
      Accés obert
      This paper presents a design tool for Induction Machines, Permanent Magnet Synchronous Machines, Externally Excited Synchronous Machines and Switched Reluctance Machines. This software, based on ...
    • Multidimensional intelligent diagnosis system based on support vector machines classifier 

      Delgado Prieto, Miquel; Ortega Redondo, Juan Antonio; García Espinosa, Antonio; Cárdenas Araújo, Juan José; Romeral Martínez, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Heding the diagnostic requirements of electromechanical systems applied in automotive and aeronautical sectors, a multidimensional diagnostic system based on Support Vector Machine classifier is presented in this paper. ...
    • Multiobjective optimization of multi-carrier energy system using a combination of ANFIS and genetic algorithms 

      Kampouropoulos, Konstantinos; Andrade, Fabio; Sala Cardoso, Enric; García Espinosa, Antonio; Romeral Martínez, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2018-05-01)
      Article
      Accés obert
      This paper presents a novel method for the energy optimization of multi-carrier energy systems. The presented method combines an adaptive neuro-fuzzy inference system, to model and forecast the power demand of a plant, and ...