Enviaments recents

• Computationally efficient design and optimization approach of PMa-SynRM in frequent operating torque-speed range 

  López Torres, Carlos; García Espinosa, Antonio; Riba Ruiz, Jordi-Roger; Lux, Gerhard; Romeral Martínez, José Luis (2018-04-30)
  Article
  Accés restringit per política de l'editorial

  This paper proposes a design process of permanent magnet assisted synchronous reluctance motors (PMa-SynRM) intended for vehicular propulsion. This approach takes into account range optimization and a multiphysics evaluation ...
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  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 ...
• Fractional proportional-resonant current controllers for Voltage Source Converters 

  Heredero Peris, Daniel; Chillón Antón, Cristian; Sánchez Sánchez, Enric; Montesinos Miracle, Daniel (2019-03)
  Article
  Accés restringit per política de l'editorial

  This paper proposes a novel fractional proportional-resonant controller, which applies fractional order calculus to the well-known proportional-resonant controllers. The focus of the study is the current control loop of ...
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  An enhancing fault current limitation hybrid droop/V-f control for grid-tied four-wire inverters in AC microgrids 

  Heredero Peris, Daniel; Chillón Antón, Cristian; Pagès Giménez, Marc; Montesinos Miracle, Daniel; Santamaria, Mikel; Rivas, David; Aguado, Monica (Multidisciplinary Digital Publishing Institute, 2018-09-22)
  Article
  Accés obert

  Microgrid integration and fault protection in complex network scenarios is a coming challenge to be faced with new strategies and solutions. In this context of increasing complexity, this paper describes two specific ...
• Stabilisation of state-and-input constrained nonlinear systems via diffeomorphisms: A Sontag's formula approach with an actual application 

  Acosta Rodríguez, José Ángel; Dòria Cerezo, Arnau; Fossas Colet, Enric (2018-09-10)
  Article
  Accés restringit per política de l'editorial

  In this work, we provide a new and constructive outlook for the control of state-and-input constrained nonlinear systems. Previously, explicit solutions have been mainly focused on the finding of a barrier-like Lyapunov ...
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  Análisis de la influencia de la evolución tecnológica en los riesgos laborales que afectan las mediciones topográficas 

  Sanmiquel Pera, Lluís; Bascompta Massanes, Marc; Vives Costa, Jordi; Freijo Álvarez, Modesto (2018-09-19)
  Article
  Accés obert

  Fundamento y Métodos: En esta investigación se presenta el caso de la mejora de los riesgos laborales que experimenta un puesto de trabajo dedicado a mediciones topográficas, con la evolución tecnológica experimentada en ...
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  Evaluación de los accidentes en el sector minero español entre los años 2010 y 2016 

  Freijo Álvarez, Modesto; Sanmiquel Pera, Lluís; Vintró Sanchez, Carla; Vives Costa, Jordi; Viladomat Vers, Antoni; Montañá Puig, Juan (2018-11-02)
  Article
  Accés obert

  Las actividades mineras son una de las industrias de mayor riesgo que exponen a los a sus trabajadores a un alto nivel de riesgo de salud y seguridad en el trabajo. El objetivo de este estudio fue evaluar durante un ...
• Application of reduced scale tests to improve the thermal performance of high-voltage substation connectors 

  Abomailek Rubio, Basel Carlos; Riba Ruiz, Jordi-Roger; Casals Torrens, Pau (2018-11-02)
  Article
  Accés restringit per política de l'editorial
• Selective operation of distributed current flow controller devices for meshed HVDC grids 

  Sau Bassols, Joan; Prieto Araujo, Eduardo; Gomis Bellmunt, Oriol; Hassan, Fainan (Institute of Electrical and Electronics Engineers (IEEE), 2018-06-18)
  Article
  Accés restringit per política de l'editorial

  In meshed High Voltage Direct Current (HVDC) grids, Current Flow Controllers (CFC) may be required to avoid bottlenecks or line overloads. The present paper proposes the concept of installing Distributed Current Flow ...
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  Análisis de los diferentes tipos de desvulcanizado en la caracterización de nuevos materiales elastoméricos formados por la mezcla de estireno butadieno-caucho natural y mezclados con neumáticos fuera de uso (GTR) 

  Mujal Rosas, Ramón María; Marín Genescà, Marc; Colom Fajula, Xavier (2017-10-02)
  Article
  Accés obert

  This article proposes the creation of a new material useful for the industry from the mixture with rolls of two 50% virgin elastomers, styrene-butadiene (SBR) and natural rubber (NR) with tires out of use (GTR). These tires ...
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  Calculation of the inductance of conductive nonmagnetic conductors by means of finite element method simulations 

  Riba Ruiz, Jordi-Roger; Capelli, Francesca (2018-09-13)
  Article
  Accés obert

  This article analyzes the inductance of different conductive nonmagnetic conductors’ configurations under alternating current (AC) supply. The inductance is a key design parameter in tracks of electronic devices, power ...
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  Comparative study of AC and positive and negative DC visual corona for sphere-plane gaps in atmospheric air 

  Riba Ruiz, Jordi-Roger; Morosini, Andrea; Capelli, Francesca (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10-08)
  Article
  Accés obert

  Due to the expansion of high-voltage direct current (HVDC) power systems, manufacturers of high-voltage (HV) hardware for alternating current (ac) applications are focusing their efforts towards the HVDC market. Because ...

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