• 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)
    Comunicación de congreso
    Acceso restringido por política de la 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)
    Artículo
    Acceso restringido por política de la 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)
    Texto en actas de congreso
    Acceso abierto
    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 control strategy for postural stability using a wearable robot 

    Rajasekaran, Vijaykumar; Aranda López, Juan; Casals Gelpi, Alicia; Pons, Jose Luis (2015-11)
    Artículo
    Acceso abierto
    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 Cutaway with Volume Context Preservation 

    Grau Carrion, Sergi; Puig Puig, Anna (Springer Berlin / Heidelberg, 2009-11-26)
    Capítulo de libro
    Acceso restringido por política de la 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)
    Texto en actas de congreso
    Acceso abierto
  • 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)
    Artículo
    Acceso restringido por política de la editorial
    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 fixed-mesh ALE method for free surface flows 

    Baiges Aznar, Joan; Codina, Ramon; Pont Ribas, Arnau; Castillo, Ernesto (2017-01-01)
    Artículo
    Acceso abierto
    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)
    Comunicación de congreso
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    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 ISMA-DS/CDMA MAC protocol for third-generation mobile communications systems 

    Pérez Romero, Jordi; Agustí Comes, Ramon; Sallent Roig, José Oriol (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 2001-11)
    Artículo
    Acceso abierto
    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)
    Artículo
    Acceso restringido por política de la 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)
    Artículo
    Acceso restringido por política de la 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 multiresolution method for speckle noise reduction in synthetic aperture radar images 

    Ferrando Bataller, Miquel (Institute of Electrical and Electronics Engineers (IEEE), 1999)
    Texto en actas de congreso
    Acceso abierto
    This paper introduces a method for speckle noise reduction based on multiresolution algorithms and a new adaptive approach. It combines the characteristics for additive noise reduction of soft thresholding with the ...
  • An adaptive predictive approach for river level forecasting 

    Aguilar, Jose Vicente; Langarita, Pedro; Linares, Lorenzo; Gómez Valentín, Manuel; Rodellar Benedé, José (IEEE, 2011)
    Comunicación de congreso
    Acceso restringido por política de la editorial
    Efficient flood management requires accurate real time forecasts to allow early warnings, real time control of hydraulics structures or other actions. Commercially available computing tools typically use, for flow or level ...
  • An adaptive prefiltering method to improve the speed/accuracy tradeoff of voltage sequence detection methods under adverse grid conditions 

    Matas Alcalá, José; Castilla Fernández, Miguel; Miret Tomàs, Jaume; García de Vicuña Muñoz de la Nava, José Luis; Guzmán Solà, Ramon (Institute of Electrical and Electronics Engineers (IEEE), 2013-07-23)
    Artículo
    Acceso restringido por política de la editorial
    This paper deals with the improvement of the transient response and harmonic, subharmonic, and dc-offset voltage rejection capability of a grid voltage sequence detection scheme based on a second-order generalized integrator ...
  • An adaptive pyramid image coding system 

    Torres Urgell, Lluís; Sallent Ribes, Sebastián (Institute of Electrical and Electronics Engineers (IEEE), 1988)
    Texto en actas de congreso
    Acceso abierto
    The Laplacian Pyramid is a new and efficient method for image encoding. The method is of increasing interest as band-pass pyramids and multiresolution images are being used in other image processing applications. The Pyramid ...
  • An adaptive remeshing procedure for proximity maneuvering spacecraft formations 

    Garcia Taberner, Laura; Masdemont Soler, Josep (2012)
    Artículo
    Acceso abierto
    We consider a methodology to optimally obtain reconfigurations of spacecraft formations. It is based on the discretization of the time interval in subintervals (called the mesh) and the obtainment of local solutions on ...
  • An adaptive scheme for wheelchair navigation collaborative control 

    Urdiales García, Cristina; Peula, José Ma.; Barrué Subirana, Cristian; Cortés García, Claudio Ulises; Sandoval, Francisco; Caltagirone, Carlo; Annicchiarico, Roberta (AAAI Press. Association for the Advancement of Artificial Intelligence, 2008)
    Texto en actas de congreso
    Acceso abierto
    In this paper we propose a system where machine and human cooperate at every situation via a reactive emergent behavior, so that the person is always in charge of his/her own motion. Our approach relies on locally evaluating ...
  • An adaptive solution for Wireless LAN distributed power saving modes 

    Camps Mur, Daniel; Pérez-Costa, Xavier; Sallent Ribes, Sebastián (2009-12)
    Artículo
    Acceso restringido por política de la editorial
    The current trend to incorporate the Wireless LAN technology in increasingly smaller mobile devices poses new challenges, in terms of QoS and power consumption requirements, for the design of such devices. IEEE 802.11 ...
  • An adaptive spectral estimator based on the predictive innovation process and Kalman filtering 

    Lagunas Hernandez, Miguel A.; Figueiras Vidal, Aníbal R.; Gasull Llampallas, Antoni; García Gómez, Ramón (1980)
    Texto en actas de congreso
    Acceso abierto