Enviaments recents

  • Finite control set model predictive control for a three-phase shunt active power filter with a kalman filter-based estimation 

    Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio (2017-10-10)
    Article
    Accés obert
    In this paper, the finite control set model predictive control is combined with the vector operation technique to be applied in the control of a three-phase active power filter. Typically, in the finite control set technique ...
  • Control Strategies for Improving Energy Efficiency and Reliability in Autonomous Microgrids with Communication Constraints 

    Portelinha Júnior, Francisco Martins; Zambroni de Sousa, Antonio Carlos; Castilla Fernández, Miguel; Queiroz Oliveira, Denisson; Ribeiro, Paulo Fernando (2017-09-19)
    Article
    Accés obert
    Microgrids are a feasible path to deploy smart grids, an intelligent and highly automated power system. Their operation demands a dedicated communication infrastructure to manage, control and monitor the intermittent sources ...
  • Computing and communications for the software-defined metamaterial paradigm: a context analysis 

    Abadal Cavallé, Sergi; Liaskos, Christos; Tsioliaridou, Ageliki; Ioannidis, Sotiris; Pitsillides, Andreas; Solé Pareta, Josep; Alarcón Gallo, Eduardo; Cabellos Aparicio, Alberto (Institute of Electrical and Electronics Engineers (IEEE), 2017-01-01)
    Article
    Accés obert
    Metamaterials are artificial structures that have recently enabled the realization of novel electromagnetic components with engineered and even unnatural functionalities. Existing metamaterials are specifically designed ...
  • Analysis, design and implementation of a residential inductive contactless energy transfer system with multiple mobile clamps 

    Momeneh, Arash; Castilla Fernández, Miguel; Moradi Ghahderijani, Mohammad; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis (2017-06-30)
    Article
    Accés obert
    This study presents the analysis, design and implementation of a simple and cost-effective residential inductive contactless energy transfer system with multiple mobile clamps. The topology is based on the cascaded connection ...
  • Secondary switched control with no communications for islanded microgrids 

    Rey, Juan M; Martí Colom, Pau; Velasco García, Manel; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2017-05-12)
    Article
    Accés obert
    Flexibility and reliability of AC microgrids are enhanced by reducing the dependence on communications in multi-layer hierarchical control. In this sense, this paper presents a secondary control with no communications for ...
  • Frequency-modulation control of a DC/DC current-source parallel-resonant converter 

    Moradi Ghahderijani, Mohammad; Castilla Fernández, Miguel; Momeneh, Arash; Tomas Miret, Jaume; García de Vicuña Muñoz de la Nava, José Luis (Institute of Electrical and Electronics Engineers (IEEE), 2017-07-01)
    Article
    Accés obert
    This paper proposes a frequency-modulation control scheme for a dc/dc current-source parallel-resonant converter with two possible configurations. The basic configuration comprises an external voltage loop, an internal ...
  • Variable structure control for three-phase LCL-filtered inverters using a reduced converter model 

    Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Hoz Casas, Jordi de la (Institute of Electrical and Electronics Engineers (IEEE), 2017-06-16)
    Article
    Accés obert
    This paper presents a new concept in active damping techniques using a reduced model of a LCL-filtered grid connected inverter. The presence of the LCL filter complicates the design of the inverter control scheme, particularly ...
  • Variable structure control in natural frame for three-phase grid-connected inverters with LCL filter 

    Guzmán Solà, Ramon; García de Vicuña Muñoz de la Nava, José Luis; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Martín Cañadas, María Elena (2017-07-05)
    Article
    Accés obert
    This paper presents a variable structure control in natural frame for a three-phase voltage source inverter. The proposed control method is based on modifying the converter model in natural reference frame, preserving the ...
  • Energy dissipation in the presence of sub-harmonic excitation in dynamic atomic force microscopy 

    Chiesa, Matteo; Gadelrab, Karim Raafat; Verdaguer, Albert; Segura, Juan José; Barcons Xixons, Víctor; Thomson, Neil H.; Phillips, M.A.; Stefancich, M.; Santos Hernández, Sergio (2012-09)
    Article
    Accés obert
    Amplitude modulation atomic force microscopy allows quantifying energy dissipation in the nanoscale with great accuracy with the use of analytical expressions that account for the fundamental frequency and higher harmonics. ...
  • Cantilever dynamics in amplitude modulation AFM: continuous and discontinuous transitions 

    Santos Hernandez, Sergio; Barcons Xixons, Víctor; Font Teixidó, Josep; Thomson, Neil H. (2010-06-21)
    Article
    Accés obert
    Transitions between the attractive and the repulsive force regimes for amplitude modulation atomic force microscopy (AFM) can be either discontinuous, with a corresponding jump in amplitude and phase, or continuous and ...

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