Ara es mostren els items 40-55 de 55

    • Networking improves robustness in flexible-joint multi-robot systems with only joint position measurements 

      Nuño, Emmanuel; Ortega, Romeo; Jayawardhana, Bayu; Basañez Villaluenga, Luis (2013-12)
      Article
      Accés restringit per política de l'editorial
      This paper studies the robustness in the coordination - via energy-shaping - of multiple nonidentical flexible-joint robots with only joint position measurements. The control objective is to drive all manipulators link ...
    • Nonlinear control and geometric constraint enforcement for teleoperated task execution 

      Rodríguez Tsouroukdissian, Adolfo; Nuño Ortega, Emmanuel; Palomo Avellaneda, Leopold; Basañez Villaluenga, Luis (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This work presents a multimodal teleoperation framework that makes use of novel tools and techniques, such as: nonlinear teleoperators control, for ensuring position tracking in the presence of variable time-delays; ...
    • Operational space consensus of multiple heterogeneous robots without velocity measurements 

      Aldana López, Carlos Iván; Nuño, Emmanuel; Basañez Villaluenga, Luis; Romero, Eduardo (2014-03-01)
      Article
      Accés restringit per política de l'editorial
      This paper proposes a control algorithm for networks of multiple heterogeneous robot manipulators, which solves the leader follower and the leaderless consensus problems in the operational space. In the leader-follower ...
    • Output-feedback control of nonlinear bilateral teleoperators 

      Sarras, Ioannis; Nuño, Emmanuel; Kinnaert, Michel; Basañez Villaluenga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2012)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      The output-feedback design problem for a bilateral teleoperator scheme is considered. The recently proposed Immersion and Invariance (I&I) observer is used to obtain an exponentially convergent estimate of the unmeasured ...
    • Passive bilateral teleoperation framework for assisted robotic tasks 

      Nuño Ortega, Emmanuel; Basañez Villaluenga, Luis; Ortega, Romeo (Institute of Electrical and Electronics Engineers, 2006-04)
      Text en actes de congrés
      Accés obert
      This paper addresses the problem of stable bilateral teleoperation, through a time-delayed communication channel, for a n-DOF system without position drift. The classical wave variables-based scheme encodes velocity and ...
    • Passivity-based control for bilateral teleoperation: A tutorial 

      Nuño Ortega, Emmanuel; Basañez Villaluenga, Luis; Ortega, Romeo (2011-03)
      Article
      Accés restringit per política de l'editorial
      This tutorial revisits several of the most recent passivity-based controllers for nonlinear bilateral teleoperators with guaranteed stability properties. These schemes, which include scattering–based, damping injection ...
    • Position tracking in delayed bilateral teleoperators without velocity measurements 

      Sarras, Ioannis; Nuño, Emmanuel; Basañez Villaluenga, Luis; Kinnaert, Michel (2016-05-10)
      Article
      Accés obert
      This work considers the control of nonlinear bilateral teleoperators with variable time delays without the need of velocity measurements. The recently proposed Immersion and Invariance observer is used to obtain an ...
    • Position tracking using adaptive control for bilateral teleoperators with time-delays 

      Nuño Ortega, Emmanuel; Basañez Villaluenga, Luis; Ortega, Romeo; Obregón-Pulido, Guillermo (2010)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper presents two versions of adaptive controllers for nonlinear bilateral teleoperators, each providing asymptotic convergence of velocity and position errors to zero, independent of constant time-delays. Moreover, ...
    • Predicting motion behavior under contact uncertainty 

      Rosell Gratacòs, Jan; Basañez Villaluenga, Luis; Suárez Feijóo, Raúl (2004-10)
      Report de recerca
      Accés obert
      Performing complex assembly task with robots requires fine-motion planners able to cope with uncertainty and contact motions, which is a difficult issue. This report proposes a method to predict the behavior of motions ...
    • Robot task specification and execution through relational positioning 

      Rodríguez Tsouroukdissian, Adolfo; Basañez Villaluenga, Luis; Celaya Llover, Enric (IFAC, 2007)
      Text en actes de congrés
      Accés obert
      This paper presents a relational positioning methodology for flexibly and intuitively specifying offline programmed robot tasks, and for assisting the execution of teleoperated tasks featuring precise or repetitive movements. ...
    • Stability of nonlinear teleoperators using PD controllers without velocity measurements 

      Nuño, Emmanuel; Basañez Villaluenga, Luis; Lopez Franco, Carlos; Arana Daniel, Nancy (2014-01)
      Article
      Accés restringit per política de l'editorial
      This paper presents two Proportional-Derivative (PD) like controllers for nonlinear bilateral teleoperation systems. Compared to previous controllers of this kind, these schemes do not make use of velocity measurements. ...
    • Task space consensus in networks of heterogeneous and uncertain robotic systems with variable time-delays 

      Nuño, Emmanuel; Aldana, Carlos I.; Basañez Villaluenga, Luis (2017-06-01)
      Article
      Accés obert
      This work deals with the leader-follower and the leaderless consensus problems in networks of multiple robot manipulators. The robots are non-identical, kinematically different (heterogeneous), and their physical parameters ...
    • Teleoperación [de robots]: técnicas, aplicaciones, entorno sensorial y teleoperación inteligente 

      Nuño Ortega, Emmanuel; Basañez Villaluenga, Luis (2004-04)
      Report de recerca
      Accés obert
      En este trabajo centraremos la atención en los sistemas robóticos teleoperados, especialmente analizaremos los sistemas teleoperados desde internet, veremos una clasificación de las metodologías de teleoperación, los ...
    • Teleoperating a mobile manipulator and a free-flying camera from a single haptic device 

      Claret Robert, Josep Arnau; Zaplana Agut, Isiah; Basañez Villaluenga, Luis (Institute of Electrical and Electronics Engineers (IEEE), 2017)
      Text en actes de congrés
      Accés obert
      The paper presents a novel teleoperation system that allows the simultaneous and continuous command of a ground mobile manipulator and a free flying camera, implemented using an UAV, from which the operator can monitor the ...
    • Técnicas y algoritmos para la adquisición, transmisión y visualización de escenas 3D 

      Beltrán Guerrero, Diana; Basañez Villaluenga, Luis (2008-09)
      Report de recerca
      Accés obert
    • Trajectory tracking and consensus of networks of Euler–Lagrange systems 

      Nuño Ortega, Emmanuel; Ortega, Romeo; Basañez Villaluenga, Luis; Hill, David (Curran, 2011)
      Text en actes de congrés
      Accés restringit per política de l'editorial
      This paper addresses the problem of synchronizing networks of nonidentical, nonlinear dynamical systems described by Euler–Lagrange equations. It is assumed that the communication graph is simply connected and that the ...