Now showing items 1994-2013 of 78895

  • A Micromegas detector for neutron beam imaging at the n TOF facility at CERN 

    Belloni, Fabio; Andriamonje, S.; Berthoumieux, Eric; Calviani, Marco; Colonna, Nicola; Gunsing, Frank; Tsinganis, A.; Calviño Tavares, Francisco; Cortés Rossell, Guillem Pere; Gómez Hornillos, María Belén; Riego Pérez, Albert (2014-05-01)
    Article
    Restricted access - publisher's policy
    Micromegas (Micro-MEsh Gaseous Structure) detectors are gas detectors consisting of a stack of one ionization and one proportional chamber. A micromesh separates the two communicating regions, where two different electric ...
  • A micromorphic model for steel fiber reinforced concrete 

    Oliver Olivella, Xavier; Mora Méndez, Diego Fernando; Huespe, Alfredo Edmundo; Weyler Pérez, Rafael (2012-10-15)
    Article
    Open Access
    A new formulation to model the mechanical behavior of high performance fiber reinforced cement composites with arbitrarily oriented short fibers is presented. The formulation can be considered as a two scale approach, ...
  • A microprocessor-based speed controller for DC motors 

    Bertran Albertí, Eduardo; Herranz, J; Martinez, L; Miguel, J; Munilla, I. (1983-07)
    Article
    Open Access
    The introduction of microprocessors into electric vehicles has opened many interesting possibilities for improving the operation and maintenance of such automotive systems. On the other hand, microcomputer-based motor ...
  • A microstrip array operating in a fracton mode [fractal geometry] 

    Anguera Pros, Jaume; Montesinos, Gemma; Puente Baliarda, Carles; Borja, C.; Soler, Jordi (Institute of Electrical and Electronics Engineers (IEEE), 2003)
    Conference report
    Restricted access - publisher's policy
    A high-directivity microstrip array using multilevel elements based on a fractal geometry is theoretically compared with one using a circular patches. Within the same electrical area, the same directivity can be obtained. ...
  • A microstrip low cost, high performance, intruder radar detector 

    de los Reyes, Elías; Elias Fusté, Antonio; Ferrando, Miguel; Corbella Sanahuja, Ignasi (Institute of Electrical and Electronics Engineers (IEEE), 1986)
    Conference report
    Open Access
    Doppler Radars operatinq as conventional intruder detectors at X band have been used in several security applications. However, almost all of them utilize heavy and bulky microwave subsystems in wavequide technoloqy. This ...
  • A microstructural model on the link between change in pore size distribution and wetting induced deformation in a compacted silt 

    Casini, Francesca; Vaunat, Jean; Romero Morales, Enrique Edgar (American Society of Civil Engineers (ASCE), 2013)
    Conference report
    Restricted access - publisher's policy
    The water retention curve expressed in terms of water content or degree of saturation and suction is hysteretic, stress path dependent (on void ratio), and depends on pore network. To properly describe its evolving nature, ...
  • A middle-level ontology for context modelling 

    Cabrera Béjar, Óscar Jair; Franch Gutiérrez, Javier; Marco Gómez, Jordi (Springer, 2015)
    Conference report
    Open Access
    Context modelling is one of the stages conducted during the context life cycle. It has the aim of giving meaning and structure to the collected context’s raw data. Although there are different context models proposed in ...
  • A Middleware architecture for Unmanned Aircraft Avionics 

    López, Juan; Royo Chic, Pablo; Pastor Llorens, Enric; Barrado Muxí, Cristina; Santamaria Barnadas, Eduard (Uiversity of Irvine, 2007-11)
    Conference report
    Open Access
    An Unmanned Aerial Vehicle is a non-piloted airplane designed to operate in dangerous and repetitive situations. With the advent of UAV's civil applications, UAVs are emerging as a valid option in commercial scenarios. ...
  • A middleware for building contract-aware agent-based services 

    Confalonieri, Roberto; Álvarez Napagao, Sergio; Panagiotidi, Sofia; Vázquez Salceda, Javier; Willmott, Steven Nicolás (Springer Verlag, 2008)
    Conference report
    Restricted access - publisher's policy
    This paper presents a middleware to help designers in the implementation of contract-aware agent-based services. The middleware provides several components, including a contract manager, a communication manager and a ...
  • A Middleware framework for self-adaptive large scale distributed services 

    Chacin Martínez, Pablo Jesus (Universitat Politècnica de Catalunya, 2011-07-21)
    Doctoral thesis
    Open Access
  • A million-channel CO-PrOx microreactor on a fingertip for fuel cell application 

    Llorca Piqué, Jordi; Rosell, O.; Divins, N.J.; López, E.; Roig Costa, Maria; Todorov Trifonov, Trifon; Rodríguez Martínez, Ángel; González de Rivera, F.; Rodríguez, L.I.; Seco, M. (2010)
    Article
    Restricted access - publisher's policy
    A silicon micromonolith containing ca.40000 regular channels of 3.3 μm in diameter per square millimeter has been successfully functionalized with anAu/TiO2 catalyst for CO preferential oxidation(CO-PrOx) in the presence ...
  • A MILP Model for the Long Term Academic Staff Size and Composition Planning in Public Universities 

    Torre Martínez, María del Rocío de la; Lusa García, Amaia; Mateo Doll, Manuel (2015-10)
    Article
    Restricted access - publisher's policy
    This paper proposes a model for dealing with the long term staff composition planning in public universities. University academic staff is organized in units (or departments) according to their field of expertise. The staff ...
  • A MILP model for the teacher assignment problem considering teachers’ preferences 

    Domenech Léga, Bruno; Lusa García, Amaia (Elsevier, 2016)
    Article
    Restricted access - publisher's policy
    The Teacher Assignment Problem is part of the University Timetabling Problem and involves assigning teachers to courses, taking their preferences into consideration. This is a complex problem, usually solved by means of ...
  • A MILP model to design hybrid wind-photovoltaic isolated rural electrification projects in developing countries 

    Ferrer Martí, Laia; Domenech Léga, Bruno; García Villoria, Alberto; Pastor Moreno, Rafael (Elsevier, 2013-04-16)
    Article
    Restricted access - publisher's policy
    Electrification systems based on the use of renewable energy sources are a suitable option for providing electricity to isolated communities autonomously. Wind and hybrid wind–photovoltaic (PV) systems are increasingly ...
  • A MILP scheduling model for multi-stage batch plants 

    Kopanos, Georgios; Puigjaner Corbella, Lluís (Elsevier, 2009-06-15)
    Conference lecture
    Open Access
    In the current work, a new precedence-based mixed integer linear programming (MILP) scheduling framework, based on a continuous-time representation, is developed for the scheduling in multi-stage batch plants. Advantages ...
  • A miniaturized two axis sun sensor for attitude control of nano-satellites 

    Angulo, M.; Gras, Ana; Ortega Villasclaras, Pablo Rafael; López Rodríguez, Gema; Ricart Campos, Jordi; Domínguez Pumar, Manuel; Castañer Muñoz, Luis María; Quero, J.M.; Tarrida, C. L.; Reina, M. (2010-10-10)
    Article
    Open Access
    This paper describes the design, fabrication, characterization, and satellite integration of a miniaturized two axis sun sensor which has been used in the attitude control system of the Spanish nano-satellite NANOSAT-1B. ...
  • A mis amigos de Barcelona 

    Parent, Claude (Escola Tècnica Superior d'Arquitectura de Barcelona. Departament de Composició Arquitectònica, 2012-07)
    Article
    Open Access
  • A mixed Lagrangian and Eulerian FSI approach for simulation of overtopping on embankment dams 

    Larese De Tetto, Antonia; Rossi, Riccardo; Oñate Ibáñez de Navarra, Eugenio (CIMNE (Centro Internacional de Métodos Numéricos en Ingeniería), 2009)
    Conference report
    Open Access
    The present work is concerned with some recent advances in FSI simulations with particular emphasis on the simulation of rockfill dams during extreme phenomena. The final objective is the study of the consequences of an ...
  • A mixed qualitative quantitative self-learning classification technique applied to situation assessment in industrial process control 

    Aguado Chao, J. Carlos (Juan Carlos) (Universitat Politècnica de Catalunya, 1998-12-22)
    Doctoral thesis
    Open Access
  • A mixed stabilized finite element formulation for strain localization analysis 

    Chiumenti, Michèle; Cervera Ruiz, Miguel; Agelet de Saracibar Bosch, Carlos (2010)
    Conference report
    Open Access
    This work exploits the concept of stabilization techniques to improve the behaviour of either mixed or pu/mixed u/εlinear/linear triangular elements when strain localization analysis is required. Different stabilization ...