Ara es mostren els items 13683-13702 de 245486

    • An adaptative user interface for genealogical document transcription 

      Mayol Sarroca, Enric (Information Science Reference, 2011)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Lately, genealogy has become a hobby not only in the United States, UK or France but also in many other countries where it is now widespread. The main sources of information for genealogists are different kinds of genealogical ...
    • An Adaptive algorithm to compute the medial axis transform of 2-D polygonal domains 

      Joan Arinyo, Robert; Pérez Vidal, Lluís; Gargallo Monllau, Elies (1995-10)
      Report de recerca
      Accés obert
      An adaptive algorithm to compute the medial axis transform of 2D polygonal domains with arbitrary genus is presented. The algorithm is based on the refinement of a coarse medial axis transform by subdividing the domain ...
    • An adaptive control strategy for postural stability using a wearable robot 

      Rajasekaran, Vijaykumar; Aranda López, Juan; Casals Gelpí, Alicia; Pons, Jose Luis (2015-11)
      Article
      Accés obert
      Wearable robots are expected to expand the use of robotics in rehabilitation since they can widen the assistance application context. An important aspect of a rehabilitation therapy, in terms of lower extremity assistance, ...
    • An adaptive controller for bilateral teleoperators: transatlantic experiments using the internet 

      Nuño Ortega, Emmanuel; Basañez Villaluenga, Luis; de Alba Padilla, Carlos; López Franco, Carlos (2012)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      A bilateral teleoperator is composed of a local and a remote manipulators interconnected through a communication channel. A human operator interacts with the local manipulator to remotely execute a given task via the ...
    • An adaptive controller for nonlinear teleoperators with variable time-delays 

      Sarras, Ioannis; Nuño, Emmanuel; Basañez Villaluenga, Luis (2014-10-01)
      Article
      Accés restringit per política de l'editorial
      In most real-life bilateral teleoperators the available physical parameters are uncertain and the communications exhibit variable time-delays. In order to confront these situations and only assuming that a bound of the ...
    • An adaptive controller to save dynamic energy in LP-NUCA 

      Suárez Gracía, Dario; Monreal Arnal, Teresa; Viñals Yúfera, Víctor (Universidad de La Laguna. Servicio de Publicaciones, 2011)
      Text en actes de congrés
      Accés obert
      Portable devices often demand powerful processors to run computing intensive applications, such as video playing or gaming, and ultra low en-ergy consumption to extend device uptime. Such con-flicting requirements are hard ...
    • An Adaptive Cutaway with Volume Context Preservation 

      Grau Carrión, Sergi; Puig Puig, Anna (Springer Berlin / Heidelberg, 2009-11-26)
      Capítol de llibre
      Accés restringit per política de l'editorial
      Knowledge expressiveness of scientific data is one of the most important visualization goals. However, current volume visualization systems require a lot of expertise from the final user. In this paper, we present a ...
    • An adaptive design of an all-zero spectral estimator 

      Lagunas Hernandez, Miguel A.; Figueiras Vidal, Aníbal R.; Mariño Acebal, José Bernardo (Institute of Electrical and Electronics Engineers (IEEE), 1981)
      Text en actes de congrés
      Accés obert
    • An adaptive disturbance rejection control scheme for voltage regulation in DC micro-grids 

      Raveendran Nair, Unnikrishnan; Costa Castelló, Ramon; Ramos Fuentes, German A. (Institute of Electrical and Electronics Engineers (IEEE), 2019)
      Text en actes de congrés
      Accés obert
      Uncertain generation by renewable sources and load variations have resulted in adding energy storage systems in the grid to maintain grid parameters (voltage, frequency) within prescribed limits. The disturbances being ...
    • An adaptive event-based system for anytime, anywhere, awareness services in online teamworks 

      Kolici, Vladi; Xhafa Xhafa, Fatos; Caballé Llobet, Santiago; Barolli, Leonard (2017-10-06)
      Article
      Accés obert
      The fast development in mobile technologies is drastically changing the way people work, learn, collaborate and socialise. One such important activity that has emerged and is being consolidated more each time is the online ...
    • An adaptive Finite Element strategy for the numerical simulation of additive manufacturing processes 

      Baiges Aznar, Joan; Chiumenti, Michele; Filho, Carlos Augusto Moreira; Cervera Ruiz, Miguel; Codina, Ramon (Elsevier, 2021-01)
      Article
      Accés obert
      In this work an adaptive Finite Element strategy to deal with the numerical simulation of Additive Manufacturing (AM) processes is presented. The Selective Laser Melting (SLM) is chosen as the reference technology because ...
    • An adaptive fixed-mesh ALE method for free surface flows 

      Baiges Aznar, Joan; Codina, Ramon; Pont Ribas, Arnau; Castillo, Ernesto (2017-01-01)
      Article
      Accés obert
      In this work we present a Fixed-Mesh ALE method for the numerical simulation of free surface flows capable of using an adaptive finite element mesh covering a background domain. This mesh is successively refined and unrefined ...
    • An adaptive gradient-search based algorithm for discriminative training of hmm's 

      Nogueiras Rodríguez, Albino; Mariño Acebal, José Bernardo; Monte Moreno, Enrique (Robert H. Mannel and Jordi Robert-Ribes, 1998)
      Comunicació de congrés
      Accés restringit per política de l'editorial
      Although having revealed to be a very powerful tool in acoustic modelling, discriminative training presents a major drawback: the lack of a formulation guaranteeing convergence in no matter which initial conditions, such ...
    • An adaptive inexact Uzawa algorithm based on polynomial-degree-robust a posteriori estimates for the Stokes problem 

      Čermák, Martin; Hecht, Frédéric; Tang, Zuqi; Vohralík, Martin (CIMNE, 2015)
      Text en actes de congrés
      Accés obert
      In this paper, we are interested in designing an adaptive version of the inexact Uzawa algorithm [4] applied to the linear Stokes problem solved by the finite element method. We present an a posteriori error estimate ...
    • An adaptive ISMA-DS/CDMA MAC protocol for third-generation mobile communications systems 

      Pérez Romero, Jordi; Agustí Comes, Ramon; Sallent Roig, Oriol (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-11)
      Article
      Accés obert
      In this paper, an inhibit sense multiple access–direct sequence/code division multiple access (ISMA-DS/CDMA) medium access control protocol for a packet transmission mobile radio network is presented. The main feature ...
    • An adaptive meshfree method for phase-field models of biomembranes. Part I: Approximation with maximum-entropy basis functions 

      Peco Regales, Christian; Arroyo Balaguer, Marino; Rosolen, Adrian Martin (2013-09)
      Article
      Accés restringit per política de l'editorial
      We present an adaptive meshfree method to approximate phase-field models of biomembranes. In such models, the Helfrich curvature elastic energy, the surface area, and the enclosed volume of a vesicle are written as functionals ...
    • An adaptive meshfree method for phase-field models of biomembranes. Part II: A Lagrangian approach for membranes in viscous fluids 

      Peco Regales, Christian; Arroyo Balaguer, Marino; Rosolen, Adrian Martin (2013-09)
      Article
      Accés restringit per política de l'editorial
      We present a Lagrangian phase-field method to study the low Reynolds number dynamics of vesicles embedded in a viscous fluid. In contrast to previous approaches, where the field variables are the phase-field and the fluid ...
    • An adaptive methodology for the improvement of knowledge acquisition by a multimedia web tool 

      Gabriel Cerna, Pedro Víctor; Pérez Poch, Antoni; Alpiste Penalba, Francesc; Torner Ribé, Jordi (Tempus Publications, 2023-07)
      Article
      Accés obert
      Adaptive learning is a method that personalizes the teaching-learning strategies in accordance with the needs and preferences of each student. This article describes the design, the implementation and the tests of a web ...
    • An adaptive multi-level model for multi-scale ductile fracture analysis in heterogeneous aluminum alloys 

      Paquet, Daniel; Ghosh, Somnath (CIMNE, 2013)
      Text en actes de congrés
      Accés obert
      This paper addresses the multi-scale modeling of ductile fracture in microstructures characterized by a dispersion of hard and brittle heterogeneities in a softer ductile matrix. An adaptive multi-level model is developed ...
    • An adaptive multilooking scheme for multi-temporal insar data 

      Zhao, Feng; Mallorquí Franquet, Jordi Joan (Institute of Electrical and Electronics Engineers (IEEE), 2018)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      Multilooking is an effective speckle reduction tool for InSAR images. However, it has some limitations. Based on the De-specKS and NL-SAR algorithms, an adaptive multilooking scheme for multi-temporal InSAR data has been ...