Ara es mostren els items 44-54 de 54

    • Parameter identification of DC-DC converters under steady-state and transient conditions based on white-box models 

      Riba Ruiz, Jordi-Roger; Moreno Eguilaz, Juan Manuel; Bogarra Rodríguez, Santiago; García Espinosa, Antonio (2018-12-05)
      Article
      Accés obert
      This paper proposes a white-box approach for identifying the parameters of DC-DC buck and boost switch mode power converters. It is based on discretizing the differential equations that describe the dynamic behavior of the ...
    • PMSM design for achieving a target torque-speed-efficiency map 

      Candelo Zuluaga, Carlos Andres; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Tubert Blanch, Pere (Institute of Electrical and Electronics Engineers (IEEE), 2020-11-24)
      Article
      Accés obert
      During the last years, the requirements for a fast and reliable design of electrical machines by applying optimization methods using finite element analysis (FEA), has become a subject of study. Due to their capabilities, ...
    • PMSM Parameter Estimation for Sensorless FOC based on differential power factor 

      Candelo Zuluaga, Carlos Andres; Riba Ruiz, Jordi-Roger; García Espinosa, Antonio (2021-01-01)
      Article
      Accés obert
      During the last years, different methods for identifying permanent magnet synchronous motor (PMSM) parameters have been developed. Such methods allow a better characterization of PMSMs, thus enabling a better control. This ...
    • PMSM Torque-speed-efficiency map evaluation from parameter estimation based on the stand still test 

      Candelo Zuluaga, Carlos Andres; Riba Ruiz, Jordi-Roger; García Espinosa, Antonio (2021-10-18)
      Article
      Accés obert
      During the last decades, a wide variety of methods to estimate permanent magnet synchronous motor (PMSM) performance have been developed. These methodologies have several advantages over conventional procedures, saving ...
    • Rare-earth-free propulsion motors for electric vehicles: a technology review 

      Riba Ruiz, Jordi-Roger; López Torres, Carlos; Romeral Martínez, José Luis; García Espinosa, Antonio (2016-05)
      Article
      Accés obert
      Several factors including fossil fuels scarcity, prices volatility, greenhouse gas emissions or current pollution levels in metropolitan areas are forcing the development of greener transportation systems based on more ...
    • Reliable design of PMaSynRM 

      López Torres, Carlos; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger (2018-11-05)
      Capítol de llibre
      Accés obert
    • Rotor of synchronous reluctance motor optimization by means reluctance network and genetic algorithm 

      López Torres, Carlos; Michalski, Tomasz Dobromir; García Espinosa, Antonio; Romeral Martínez, José Luis (2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      An optimal design for a rotor of SynRM is proposed on this paper. The inductances of the machine computed in dq-axes allow determining machine performance and the motor behavior. High magnetic saturation on this kind of ...
    • Signal injection as a fault detection technique 

      Cusidó Roura, Jordi; Romeral Martínez, José Luis; Ortega Redondo, Juan Antonio; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger (2011-03)
      Article
      Accés obert
      Double frequency tests are used for evaluating stator windings and analyzing the temperature. Likewise, signal injection on induction machines is used on sensorless motor control fields to find out the rotor position. ...
    • STLF in the user-side for an iEMS based on evolutionary training of adaptive networks 

      Cárdenas Araújo, Juan José; Giacometto Torres, Francisco; García Espinosa, Antonio; Romeral Martínez, José Luis (2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      It is a fact that the short-term load forecasting (STLF)in the user side is growing interest. Consequently, intelligent energy management systems (iEMSs) are including this capability in order to take autonomous decisions. ...
    • Transformer modelling considering power losses using an inverse Jiles-Atherton approach 

      Badri Barberán, José Antonio; Riba Ruiz, Jordi-Roger; García Espinosa, Antonio; Trujillo, S; Marzàbal, Albert (Elsevier, 2023-12)
      Article
      Accés obert
      Power transformers are devices with non-linear behavior due to the saturation of the ferromagnetic core. When modelling such devices, the saturation effect must be taken into account because it greatly affects their ...
    • Water-pumping permanent magnet synchronous motor optimization based on customized torque-speed operating area and performance characteristics 

      Candelo Zuluaga, Carlos Andres; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Comunicació de congrés
      Accés obert
      This paper presents a novel methodology for optimizing Permanent Magnet Synchronous Motors for Water-Pumping applications. The algorithm is designed to start the optimization process from a predefined ...