Now showing items 1-20 of 69

    • 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)
      Conference lecture
      Restricted access - publisher's policy
      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)
      Doctoral thesis
      Open Access
      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
      Open Access
      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, Carlos Xavier; Velasco García, Manel; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2018-02-12)
      Article
      Open Access
      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
      Open Access
    • Análisis coste-beneficio de las estructuras inteligentes 

      Ruiz Gorrindo, Félix; Martí Colom, Pau; Llorens García, Ariadna (Universidad Politécnica de Madrid (UPM), 2018)
      Article
      Open Access
      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)
      Conference report
      Open Access
      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, ...
    • 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)
      Conference report
      Restricted access - publisher's policy
      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
      Open Access
      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)
      Conference report
      Restricted access - publisher's policy
      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)
      Conference report
      Restricted access - publisher's policy
      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 ...
    • 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
      Open Access
      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 ...
    • 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)
      External research report
      Open Access
      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
      Open Access
    • 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
      Restricted access - publisher's policy
      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 ...
    • Designing a practical 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; Perelló, Miquel (2012)
      Conference report
      Open Access
      This paper 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 are ...
    • Distributed reactive power control methods to avoid voltage rise in grid-connected photovoltaic power generation systems 

      Martí Colom, Pau; Velasco García, Manel; Fuertes Armengol, José Mª; Camacho Santiago, Antonio; Miret Tomàs, Jaume; Castilla Fernández, Miguel (2013)
      Conference report
      Restricted access - publisher's policy
      A high density of grid-connected photovoltaic (PV) power generation systems is expected to occur in urban areas. The connection of distributed generation (DG) may cause serious problems in the distribution system such ...
    • Droop-free hierarchical control strategy for inverter-based AC microgrids 

      Rey, Juan M.; Vergara Barrios, Pedro P.; Castilla Fernández, Miguel; Camacho Santiago, Antonio; Velasco García, Manel; Martí Colom, Pau (2020-05-20)
      Article
      Open Access
      Hierarchical schemes are widely used for the design of inverter-based AC microgrids control strategies. To ensure a reliable operation, hierarchical control must consider together all the functionalities that allow the ...
    • Efficient utilization of bus idle times in CAN-based networked control systems 

      Martí Colom, Pau; Camacho Santiago, Antonio; Velasco García, Manel; El Mongi Ben Gaid, Mohamed (2010)
      Conference lecture
      Open Access
      This paper presents a novel approach to networked control systems (NCS) analysis and design that provides increased control performance for a set of control loops that exchange control data over the Controller Area Network ...
    • El Node urbà : Canvi de concepte del fanal cap a element urbà multifuncional en smart cities 

      Ruiz, Fèlix; Farré, Josep; Martí Colom, Pau; Martínez Antúnez, Nora Isabel; Llorens García, Ariadna (Col·legi d'Aparelladors, Arquitectes Tècnics i Enginyers d'Edificació de Barcelona (CAATEEB), 2014-06)
      Article
      Open Access