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Ara es mostren els items 1-20 de 67

    • A distributed control for accurate active-power sharing in islanded microgrids subject to clock drifts 

      Alfaro Aragón, Carlos Arturo; Castilla Fernández, Miguel; Camacho Santiago, Antonio; Martí Colom, Pau; Velasco García, Manel (2021-01-28)
      Article
      Accés obert
      Inverters-based islanded microgrids are operated by local digital signal processors, driven by their own local clocks. These local clocks have drifts affecting the clock signals which are used to control the inverters in ...

    • Active power sharing and frequency regulation in droop-free control for islanded microgrids under electrical and communication failures 

      Rosero Chandi, Carlos Xavier; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2020-08-01)
      Article
      Accés obert
      The droop-free control for ac microgrids achieves active power sharing and frequency regulation by replacing the centralized secondary control and the primary-level droop mechanism by a cooperative distributed control ...

    • An alternative discrete-time model for networked control systems with time delay less than the sampling period 

      Torres Guerrero, Gina; Velasco García, Manel; Martí Colom, Pau; Martín Rull, Enric Xavier; Fuertes Armengol, José Mª (2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      The majority of existing Networked Control Systems (NCS) models are discrete-time formulations based on the exact discretization of the continuous-time linear plant over a sample interval. In the state-space formalism, ...

    • Analysis and design of real-time control systems with varying control timing constraints 

      Martí Colom, Pau (Universitat Politècnica de Catalunya, 2002-07-26)
      Tesi
      Accés obert
      L'anàlisi i el disseny dels sistemes de control de temps real és una tasca complexa, que requereix la integració de dues disciplines, la dels sistemes de control i la dels sistemes de temps real. Tradicionalment però, els ...

    • Analysis of consensus-based islanded microgrids subject to unexpected electrical and communication partitions 

      Rosero Chandi, Carlos Xavier; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2018-01-01)
      Article
      Accés obert
      Microgrids are power systems consisting of an electrical network composed by distributed loads and generation units that may include a communication network for improved operation. The considered microgrid in islanded mode ...

    • Analysis of the effect of clock drifts on frequency regulation and power sharing in inverter-based islanded microgrids 

      Martí Colom, Pau; Torres Martínez, Javier; Rosero Chandi, Carlos Xavier; Velasco García, Manel; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2018-02-12)
      Article
      Accés obert
      Local hardware clocks in physically distributed computation devices hardly ever agree because clocks drift apart and the drift can be different for each device. This paper analyses the effect that local clock drifts have ...

    • Anàlisi cost-benefici de les estructures intel.ligents 

      Ruiz, Fèlix; Martí Colom, Pau; Llorens García, Ariadna (Col·legi d'Aparelladors, Arquitectes Tècnics i Enginyers d'Edificació de Barcelona (CAATEEB), 2016-06-07)
      Article
      Accés obert

    • Análisis coste-beneficio de las estructuras inteligentes 

      Ruiz Gorrindo, Félix; Martí Colom, Pau; Llorens García, Ariadna (Universidad Politécnica de Madrid (UPM), 2018)
      Article
      Accés obert
      Definimos estructura inteligente como aquella estructura dotada de unos sensores (en especial continuos y de fibra óptica), de manera que es capaz de transmitir datos de interés sobre su estado de salud (deformaciones, ...

    • Análisis coste-beneficio de las estructuras inteligentes 

      Ruiz Gorrindo, Félix; Martí Colom, Pau; Llorens García, Ariadna (2018)
      Text en actes de congrés
      Accés obert
      Definimos estructura inteligente como aquella estructura dotada de unos sensores (en especial continuos y de fibra óptica), de manera que es capaz de transmitir datos de interés sobre su estado de salud (deformaciones, ...

    • Collaborative voltage unbalance elimination in grid-connected AC microgrids with grid-feeding inverters 

      Borrell, Angel; Velasco García, Manel; Miret Tomàs, Jaume; Camacho Santiago, Antonio; Martí Colom, Pau; Castilla Fernández, Miguel (Institute of Electrical and Electronics Engineers (IEEE), 2021-06-01)
      Article
      Accés obert
      The control flexibility of the power inverters that interface distributed generation can be exploited to incorporate power quality enhancement features in addition to the usual power management control. This article presents ...

    • Communication-aware consensus for frequency restoration in islanded microgrids 

      Martí Colom, Pau; Velasco García, Manel; Martín Rull, Enric Xavier; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2016)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      MicroGrids (MGs) include spatially distributed generation (DG) systems and loads that may require operating autonomously in islanded mode. The operation of islanded MGs can benefit from consensus theory and practice, ...

    • Comparative study of reactive power control methods for photovoltaic inverters in low-voltage grids 

      Momeneh, Arash; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Martí Colom, Pau; Velasco García, Manel (2016-03-01)
      Article
      Accés obert
      The increasing installation of photovoltaic panels in low-voltage grids causes an over voltage problem, especially during high production and low consumption periods. Generally the over voltage problem is overcome by ...

    • Consensus for active power sharing and frequency restoration in islanded microgrids subject to drifting clocks 

      Rosero Chandi, Carlos Xavier; Martí Colom, Pau; Velasco García, Manel; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Camacho Santiago, Antonio (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The application of consensus theory in the control of islanded microgrids (MG) is gaining increased attention because it facilitates the development of distributed control solutions. In particular, its application to active ...

    • Control strategies based on effective power factor for distributed generation power plants during unbalanced grid voltage 

      Camacho Santiago, Antonio; Castilla Fernández, Miguel; Miret Tomàs, Jaume; Matas Alcalá, José; Guzmán Solà, Ramon; de Sousa Pérez, Óscar; Martí Colom, Pau; García de Vicuña Muñoz de la Nava, José Luis (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Unbalanced voltages in three-phase power systems is a common perturbation propagated along the grid. Distributed Generation plants have gained widespread attention due to their capability to improve power quality in a ...

    • Cost-benefit analysis of smart structures 

      Llorens García, Ariadna; Martí Colom, Pau; Ruiz Gorrindo, Félix (Academic Star Publishing Company, 2020)
      Article
      Accés obert
      Smart structure is defined as structure equipped with sensors (especially continuous and composed of fiber optic), so that it is able of transmitting data of interest about its state of health (deformations, cracks, ...

    • De la farola urbana hacia un elemento urbano multifuncional 

      Ruiz, Fèlix; Farré, Josep; Martí Colom, Pau; Martínez Antúnez, Nora Isabel; Llorens García, Ariadna (2014-01)
      Article
      Accés obert
      Se està produciendo un cambio de paradigma, un cambio de concepto de la farola tradicional, transformándose en otra cosa diferente, en el nodo urbano. Esto supone un nuevo paso en la línea de las smart cities. Los autores ...

    • Decoupled simultaneous complex power sharing and voltage regulation in islanded AC microgrids 

      Duarte Mejia, Josue Neftali; Velasco García, Manel; Martí Colom, Pau; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Alfaro Aragón, Carlos Arturo (Institute of Electrical and Electronics Engineers (IEEE), 2023-04)
      Article
      Accés restringit per política de l'editorial
      In islanded AC microgrids, when multiple voltage source inverters (VSIs) operate in parallel, it is challenging to simultaneously obtain both accurate complex (active and reactive) power sharing and voltage regulation (in ...

    • Design of a hands-on course in networked control systems 

      Fuertes Armengol, José Mª; Villa Millaruelo, Ricardo; Ayza Graells, Jordi; Marès Martí, Pere; Martí Colom, Pau; Velasco García, Manel; Yépez Castillo, José Gregorio; Torres Guerrero, Gina (2012-01-17)
      Report de recerca
      Accés obert
      This report presents a hands-on course in networked control systems (NCS) to be integrated in the education of embedded control systems engineers. The course activities have a strong practical component and most of them ...

    • Design of an embedded control system laboratory experiment 

      Martí Colom, Pau; Velasco García, Manel; Fuertes Armengol, José Mª; Camacho Santiago, Antonio; Buttazzo, Giorgio (2010-02-08)
      Article
      Accés obert

    • Design of an embedded control system laboratory experiment 

      Martí Colom, Pau; Velasco García, Manel; Fuertes Armengol, José Mª; Camacho Santiago, Antonio; Buttazzo, Giorgio (IEEE Press. Institute of Electrical and Electronics Engineers, 2010-10-01)
      Article
      Accés restringit per política de l'editorial
      This paper presents a prototype laboratory experiment to be integrated in the education of embedded control system engineers. The experiment, a real-time control of a dynamical system, is designed to drive students to a ...