Ara es mostren els items 6756-6775 de 244457

    • A service-constrained positioning strategy for an autonomous fleet of airborne base stations 

      José Torra, Ferran; Pascual Iserte, Antonio; Vidal Manzano, José (Multidisciplinary Digital Publishing Institute (MDPI), 2018-10)
      Article
      Accés obert
      This paper proposes a positioning strategy for a fleet of unmanned aerial vehicles (UAVs) airlifting wireless base stations driven by communication constraints. First, two schedulers that model the distribution of resources ...
    • A service-learning based computers reuse program 

      Sánchez Carracedo, Fermín; López Álvarez, David (2021-07-12)
      Article
      Accés obert
      Higher Education Institutions are facing a challenging situation: how to introduce concepts such as Sustainability or the Circular Economy into their curricula. This study presents how to organize a Computer Reuse Program, ...
    • A service-learning program assessment: Strengths, weaknesses and impacts on students 

      Samino García, Rocío (OmniaScience, 2023-01)
      Article
      Accés obert
      Purpose: This paper aims to research the strengths and weaknesses of service-learning programs in order to identify the challenges of their application, the educational possibilities of service-learning and the impact on ...
    • A service-oriented hybrid access network and clouds architecture 

      Velasco Esteban, Luis Domingo; Contreras, Luis Miguel; Ferraris, Giuseppe; Stavdas, Alexandros; Cugini, Filippo; Wiegand, Manfred; Fernández Palacios, Juan Pedro (2015-04-01)
      Article
      Accés obert
      Many telecom operators are deploying their own cloud infrastructure with the two-fold objective of providing cloud services to their customers and enabling network function virtualization. In this article we present an ...
    • A set of algorithms to correct a geometry in order to be meshed 

      Ribo Rodriguez, Ramon; Bugeda Castelltort, Gabriel; Oñate Ibáñez de Navarra, Eugenio (2000)
      Text en actes de congrés
      Accés obert
      One of the major difficulties in meshing 3D complex geometries is to deal with non proper geometrical definitions coming from CAD systems. Typically, CAD systems don’t take care of the proper definition of the geometries ...
    • A Set of rules for a constructive geometric constraint solver 

      Joan Arinyo, Robert; Soto Riera, Antoni (1995-04)
      Report de recerca
      Accés obert
      This work presents the set of constructive rules used by a two-dimensional, variational geometric constraint solver based on a constructive approach. The main goal in defining the rules has been to keep the set of rules ...
    • A set simulation approach to the computation of invariant sets for nonlinear systems 

      Cugueró Escofet, Josep; Saludes Closa, Jordi; Escobet Canal, Teresa (Institute of Electrical and Electronics Engineers (IEEE), 2013)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Given a nonlinear discrete-time system, previous works exist that compute invariant sets as finite unions of boxes. Set inversion algorithms based on interval arithmetic are used to obtain inner approximations of the one ...
    • A set that is neither an open set nor a closed set 

      Díaz Barrero, José Luis (2018-03)
      Article
      Accés restringit per decisió de l'autor
    • A set-based prognostics approach for wind turbine blade health monitoring 

      Khoury, Boutrous; Puig Cayuela, Vicenç; Nejjari Akhi-Elarab, Fatiha (Elsevier, 2022)
      Text en actes de congrés
      Accés obert
      This paper presents a model-based prognostics procedure using a zonotopic Kalman filter in tandem with a zonotopic set-based propagation of degradation, aiding in the quantification of uncertainties associated with ...
    • A set-based uncertainty quantification of evolving fuzzy models for data-driven prognostics 

      Khoury, Boutrous; Bessa, Iury; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (Springer, 2022)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Recent years have seen a great deal of innovation in the field of systems prognostics and health management. However, even with these advancements, some pertinent issues related with uncertainty in remaining useful life ...
    • A shapeshifting evolvable hardware mechanism based on reconfigurable memFETs crossbar architecture 

      Martín Martínez, Javier; García Almudéver, Carmen; Crespo Yepes, Albert; Rodríguez Martínez, Rosana; Nafría Maqueda, Montserrat; Rubio Sola, Jose Antonio (2014-05-05)
      Article
      Accés restringit per política de l'editorial
    • A shared accretion instability for black holes and neutron stars 

      Vincentelli, Federico; Neilsen, Joey; Tetarenko, Alexandra; Cavecchi, Yuri; Castro Segura, Noel; del Palacio, Santiago; van den Eijnden, Jakob; Vasilopoulos, Georgios; Altamirano, Diego; Armas Padilla, Montserrat; Bailyn, Charles; Belloni, Tomaso M.; Cúneo, Virginia; Degenaar, Nathalie (Macmillan Publishers, 2023-03-01)
      Article
      Accés obert
      Accretion disks around compact objects are expected to enter an unstable phase at high luminosity1. One instability may occur when the radiation pressure generated by accretion modifies the disk viscosity, resulting in the ...
    • A shared CubeSat and LEO constellation for quantum key distribution service and 5G IoT service: QUANGO project overview and design considerations 

      Sarica, Danilo; Balossino, Alessandro; Simonetti, Simone; Vallone, Giuseppe; Villoresi, Paolo; Berra, Federico; Guadalupi, Marco; Llorens Aymerich, Isaac; Ferrer, Josep; Ferrús Ferré, Ramón Antonio (International Astronautical Federation, 2021)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Secure and reliable exchange of data and information plays a crucial role in our society, for example protecting money transfers, commercial transactions, medical data, remote control of sensible infrastructures, etc. ...
    • A shared-parameter joint model for prostate cancer risk and psa longitudinal profiles 

      Serrat Piè, Carles; Rué, Montserrat; Perpiñán Fabuel, Hèctor; Forte, Anabel; Armero, Carmen; Piulachs Lozada Benavente, Xavier; Páez, Álvaro; Gómez Melis, Guadalupe (Fundación Mapfre, 2015)
      Text en actes de congrés
      Accés obert
      The paper describes the use of frequentist and Bayesian shared-parameter joint models of longitudinal measurements of prostate specific antigen (PSA) and the risk of prostate cancer (PCa). The motivating dataset corresponds ...
    • A shifting pole placement approach for the design of parameter-scheduled state-feedback controllers 

      Rotondo, Damiano; Nejjari Akhi-Elarab, Fatiha; Puig Cayuela, Vicenç (2013)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      In this paper, the problem of designing a parameter-scheduled state-feedback controller is investigated. The main novelty and contribution of this paper is the extension of the classical regional pole placement problem, ...
    • A shifting pole placement approach for the design of performance-varying multivariable PID controllers via BMIs 

      Sánchez, Helem Sabina; Rotondo, Damiano; Puig Cayuela, Vicenç; Quevedo Casín, Joseba Jokin (2018)
      Text en actes de congrés
      Accés obert
      In this paper, the design of a performance-varying multivariable Proportional-Integral-Derivative (PID) controllers is presented. The main objective is to provide a framework for changing online the closed-loop behavior ...
    • A ship routing system applied at short sea distances 

      Grifoll Colls, Manel; Martínez de Osés, Francesc Xavier (Universidad de Cantabria, 2017-07)
      Article
      Accés obert
      New generation of high-resolution meteo-oceanographic predictions provides useful tools for routing of ships in short maritime distances. In this work, the optimal ship routing analysis is investigated in maritime routes ...
    • A ship routing system applied to the statistical analysis of the western mediterranean wave trends 

      Martínez de Osés, Francesc Xavier; Ventura Jariod, Elisenda; Belmonte López, Román (MDPI, 2021-05-31)
      Article
      Accés obert
      The Western Mediterranean basin is a busy route by Short Sea Shipping with an important route between Barcelona (Spain) and Genoa (Italy), where climatic patterns show similarities but vary during the year. One essential ...
    • A short account of Leonardo Torres' endless spindle 

      Thomas, Federico (2008)
      Article
      Accés restringit per política de l'editorial
      At the end of the 19th century, several analog machines had been proposed for solving algebraic equations. These machines – based not only on kinematics principles but also on dynamic or hydrostatic balances, electric or ...
    • A short introduction to the aims and status of modern C++ 

      Stroustrup, Bjarne (Barcelona Supercomputing Center, 2020)
      Text en actes de congrés
      Accés obert
      C++20 is here. How does it reflect the aims and ideals of C++? What are the major features of C++20? What is in the works for future standards? I will - necessarily briefly - touch upon type-safety, resource-safety, type ...