Now showing items 1-17 of 17

  • A comparative study of elastic motions in trajectory tracking of flexible RPR planar manipulators moving with high speed 

    Firoozabadi, Amirhossein Eshaghiyeh; Ebrahimi, Saeed; Font Llagunes, Josep Maria (2017-07)
    Article
    Restricted access - publisher's policy
    The study of inertial forces effects at high speeds in flexible parallel manipulators, which generate undesired deviations, is a challenging task due to the coupled and complicated equations of motion. A dynamic model of ...
  • A multiple marker level-set method for simulation of deformable fluid particles 

    Balcázar Arciniega, Néstor; Lehmkuhl Barba, Oriol; Rigola Serrano, Joaquim; Oliva Llena, Asensio (2015-09-01)
    Article
    Open Access
    A novel multiple marker level-set method is introduced for Direct Numerical Simulation of deformable fluid particles (bubbles and droplets), which is integrated in a finite-volume framework on collocated unstructured grids. ...
  • Análisis comparativo del test de Bosco con técnicas de video en 3D (Peak Performance) 

    Morgenstern de Muller, Christian Rudolf; Porta Pleite, Josep Maria; Parreño Catalán, José Luis; Ruano Gil, D. (Sociedad Ibérica de Biomecánica y Biomateriales, 1993)
    Article
    Open Access
  • Analysis of self-overlap reveals trade-offs in plankton swimming trajectories 

    Bianco, Giuseppe; Mariani, Patrizio; Visser, André W.; Mazzocchi, Maria Grazia; Pigolotti, Simone (2014-07-06)
    Article
    Restricted access - publisher's policy
    Movement is a fundamental behaviour of organisms that not only brings about beneficial encounters with resources and mates, but also at the same time exposes the organism to dangerous encounters with predators. The movement ...
  • Biofunctionalized self-propelled micromotors as an alternative on-chip concentrating system 

    Restrepo Perez, Laura; Soler Turu, Lluís; Martinez Cisneros, Cynthia; Sanchez, Samuel; Schmidt, Oliver G. (2014-05-29)
    Article
    Restricted access - publisher's policy
    Sample pre-concentration is crucial to achieve high sensitivity and low detection limits in lab-on-a-chip devices. Here, we present a system in which self-propelled catalytic micromotors are bio-functionalized and trapped ...
  • Catalytic nanomotors for environmental monitoring and water remediation 

    Soler Turu, Lluís; Sanchez, Samuel (2014-04-01)
    Article
    Restricted access - publisher's policy
    Self-propelled nanomotors hold considerable promise for developing innovative environmental applications. This review highlights the recent progress in the use of self-propelled nanomotors for water remediation and ...
  • Integrated task and motion planning using physics-based heuristics 

    Akbari, Aliakbar; Ud Din, Muhayy; Rosell Gratacòs, Jan (2016)
    Conference lecture
    Open Access
    —This work presents a knowledge-based task and motion planning framework based on a version of the FastForward task planner. A reasoning process on symbolic literals in terms of knowledge and geometric information about ...
  • Interacción y Movimiento en el Análisis Visual de Proyectos Arquitectónicos Académicos 

    Etchegaray Heidrich, Felipe; Redondo Domínguez, Ernesto (Blucher Publishers, 2014)
    Conference report
    Open Access
    This paper proposes two methods for the development of graphical representations with interactivity and motion and describes research done with some architecture students from a school in Brazil to first investigate the ...
  • Joint segmentation and tracking of object surfaces in depth movies along human/robot manipulations 

    Dellen, Babette; Husain, Syed Farzad; Torras, Carme (2013)
    Conference report
    Open Access
    A novel framework for joint segmentation and tracking in depth videos of object surfaces is presented. Initially, the 3D colored point cloud obtained using the Kinect camera is used to segment the scene into surface patches, ...
  • Macroscopic structures generated by microorganisms swimming in a fluid 

    Alarcón, Francisco; Pagonabarraga, Ignacio (Barcelona Supercomputing Center, 2015-05-05)
    Conference report
    Open Access
    It is known that active particles induce emerging patterns as a result of their dynamic interactions, giving rise to amazing collective motions, such as swarming or clustering. Here we present a systematic numerical ...
  • Motion estimation using higher-order statistics 

    Sayrol Clols, Elisa; Gasull Llampallas, Antoni; Rodríguez Fonollosa, Javier (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1996-06-30)
    Article
    Open Access
    The objective of this paper is to introduce a fourth-order cost function of the displaced frame difference (DFD) capable of estimating motion even for small regions or blocks. Using higher than second-order statistics ...
  • PI semiactive control using MR dampers 

    Aguirre Carvajal, Naile; Ikhouane, Fayçal; Rodellar Benedé, José (2010)
    Conference lecture
    Open Access
    Magnetorheological (MR) dampers are a promising alternative structural active actuators as they provide adjustable damping over a wide range of frequencies without large power requirements. However, the complex dynamics ...
  • Tracking deformable objects and dealing with same class object occlusion 

    Alquézar Mancho, René; Amézquita, N; Serratosa Casanelles, Francesc (INSTICC Press. Institute for Systems and Technologies of Information, Control and Communication, 2009)
    Part of book or chapter of book
    Open Access
    This paper presents an extension of a previously reported method for object tracking in video sequences to handle the problems of object crossing and occlusion by other objects in the same class that the one followed. The ...
  • Trapping self-propelled micromotors with microfabricated chevron and heart-shaped chips 

    Restrepo Perez, Laura; Soler Turu, Lluís; Martinez Cisneros, Cynthia; Sanchez, Samuel; Schmidt, Oliver G. (2014-02-11)
    Article
    Open Access
    We demonstrate that catalytic micromotors can be trapped in microfluidic chips containing chevron and heart-shaped structures. Despite the challenge presented by the reduced size of the traps, microfluidic chips with ...
  • Uniform accelerated motions 

    Muthumanickam, Prithiviraj K. (Universitat Politècnica de Catalunya, 2012-09-04)
    Master thesis
    Open Access
    An Affine matrix which maps an initial and final pose can be computed by solving a system of linear equations. Then there exists an interesting problem of finding a time varying affinity which maps the given set of ...
  • Video clustering using camera motion 

    Tort Alsina, Laura (Universitat Politècnica de Catalunya / Institut National Polytechnique de Grenoble, 2012)
    Master thesis (pre-Bologna period)
    Open Access
    Covenantee:  Institut national polytechnique de Grenoble
    [ANGLÈS] This document contains the work done in INP Grenoble during the second semester of the academic year 2011-2012, completed in Barcelona during the first months of the 2012-2013. The work presented consists in a ...
  • Wind retrieval from multiangle backscatter lidar profiles through anisotropic aerosol structures 

    Tomás Martinez, Sergio; Rocadenbosch Burillo, Francisco (American Geophysical Union (AGU), 2015-08-16)
    Article
    Open Access
    A wind retrieval correlation method for backscatter lidar scanning schemes consisting of a few profiling sounding lines of sight is mathematically formulated in matrix solution form under general anisotropic atmospheric ...