Ara es mostren els items 1-20 de 63

  • A 3D printed toolbox for opto-mechanical components 

    Salazar Serrano, Luis Jose; Pérez Torres, Juan; Valencia, Alejandra (2017-01-18)
    Article
    Accés obert
    In this article we present the development of a set of opto-mechanical components (a kinematic mount, a translation stage and an integrating sphere) that can be easily built using a 3D printer based on Fused Filament ...
  • A coordinate-free approach to tracing the coupler curves of pin-jointed linkages 

    Rojas Libreros, Nicolás Enrique; Thomas, Federico (ASME PRESS, 2011)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    In general, high-order coupler curves of plane mechanisms cannot be properly traced by standard predictor-corrector algorithms due to drifting problems and the presence of singularities. Instead of focusing on finding ...
  • A Fault hiding approach for the sliding mode fault-tolerant control of a non-holonomic mobile robot 

    Stancu, Alexandru; Codres, Eduard; Puig Cayuela, Vicenç (IEEE Press, 2016)
    Text en actes de congrés
    Accés obert
    When mobile robots are intended to be used in hazardous environments or for long-time operations, it is needed to increase their robustness against faults. This could be achieved by means of the inclusion of Fault Tolerant ...
  • Alineación frontal de la rodilla. Concepto y determinación de la posición neutra en el vivo 

    Casal Moro, R.; Montero Furelos, L.; Gónzalez García, J.; Pichel Moure, C.M. (Sociedad Ibérica de Biomecánica y Biomateriales, 1994)
    Article
    Accés obert
    Se estudiaron 28 rodillas asintomáticas con objeto de confirmar en el vivo la existencia de movilidad mediolateral, tomando como posición neutra aquella en la que el contacto articular se produce simultáneamente en ...
  • Anàlisi de mètodes híbrids de vèrtexs/centrats 

    Artigas Oliveras, Martí (Universitat Politècnica de Catalunya, 2017)
    Treball Final de Grau
    Accés obert
    Realitzat a/amb:  Mitsubishi Electric Europe
    Aquest treball de final de grau presenta l’anàlisi d’un model híbrid de vèrtexs/centrats utilitzats per simular les reaccions en teixits tous i plans. L’objectiu del treball és analitzar els resultats, les tensions, ...
  • Análisis biomecánico de la carrera tras 40km de bici en competición 

    Calamejías, A.; Veiga Fernández, S.V.; Navarro Cabello, E. (SIIB, 2008-12-01)
    Article
    Accés obert
    En triatlón, una de las partes más duras y estratégicas del deporte es la transición del ciclismo a la carrera a pie. El principal problema de los estudios analizados es que han sido llevados a cabo en laboratorios, donde ...
  • Análisis cinemático del swing de golf en golpeos de precisión 

    Campos Granell, José; Pablos Monzó, Ana; Abella, Carlos Pablo (Sociedad Ibérica de Biomecánica y Biomateriales, 2002-12)
    Article
    Accés obert
  • Análisis del pedaleo ciclista con sistemas convencionales VS no circulares en pruebas submáximas y supramáximas 

    García López, J.; Rodríguez-Marroyo, J.A.; Gerardo Villa, J. (2008-10-23T14:09:38Z)
    Article
    Accés obert
    El objetivo de este trabajo ha sido analizar y comparar el rendimiento mecánico máximo (pruebas supramáximas) y la eficiencia energética (pruebas submáximas) desarrollada por ciclistas profesionales con un sistema de pedaleo ...
  • 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
    Accés restringit per política de l'editorial
    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 ...
  • A three-dof actuated robot 

    Mirats Tur, Josep Maria; Camps Sala, Josep (2011)
    Article
    Accés obert
    This article presents the realization of a tensegrity-based robot composed of a three-bar symmetric prismlike minimal tensegrity configuration. Statics and kinematics are studied presenting the workspace for the designed ...
  • Closure of the stellar hydrodynamic equations for arbitrary distributions 

    Cubarsí Morera, Rafael (2010-07)
    Report de recerca
    Accés obert
    The closure problem of the stellar hydrodynamic equations is studied in a general case by describing the family of phase space density functions for which the collisionless Boltzmann equation is strictly equivalent to a ...
  • Comparison of kinematics of GHBMC to PMHS on the side impact condition 

    Park, Gwansik; Kim, Taewung; Crandall, Jeff R.; Arregui Dalmases, Carlos; Luzón Narro, Benito Javier (2013)
    Comunicació de congrés
    Accés obert
    The goal of this study was to evaluate the biofidelity of the Global Human Body Models Consortium (GHBMC) human body model under a side impact loading condition with an airbag, and analyze the effect of initial position ...
  • Conditions of consistency for multicomponent axisymmetric stellar systems. Is an axisymmetric model suitable yet? 

    Cubarsí Morera, Rafael (2013-12-17)
    Article
    Accés obert
    Solving the Boltzmann collisionless equatio n under the axisymmetric hypot hesis introduces serious lim itations on describing the kinematics of a single stellar system according to the local Galactic observables. Instead ...
  • Conditions of consistency for multicomponent stellar systems. II. Is a point-axial symmetric model suitable for the Galaxy? 

    Cubarsí Morera, Rafael (2014-05-27)
    Article
    Accés obert
    Under a common potential, a finite mixture of ellipsoidal velocity distributions satisfying the Boltzmann collisionless equation provides a set of integrability conditions that may constrain the population kinematics. ...
  • Cusp points in the parameter space of degenerate 3-RPR planar parallel manipulators 

    Manubens Ferriol, Montserrat; Moroz, Guillaume; Chablat, Damien; Wenger, Philippe; Rouillier, Fabrice (ASME PRESS, 2012)
    Article
    Accés restringit per política de l'editorial
    This paper investigates the conditions in the design parameter space for the existence and distribution of the cusp locus for planar parallel manipulators. Cusp points make possible non-singular assembly-mode changing ...
  • DAE Methods in Constrained Robotic System Simulation: 

    Costa Castelló, Ramon; Griñó Cubero, Robert; Basañez Villaluenga, Luis (Centro de Investigación en Computación, 1998-03)
    Article
    Accés obert
    In this paper a DAE formulation is used to model the behaviour of constrained robotic systems. This formulation allows to specify in an easy and clear way the constrained behaviour of a robotic system. In order to better ...
  • Design of the workplace for a Delta Robot 

    Romeo Alba, Xavier (Universitat Politècnica de Catalunya / Zilinská Univerzita v Zilined, 2010)
    Projecte/Treball Final de Carrera
    Accés restringit per decisió de l'autor
    This project presents an introduction to parallel kinematic robots focused on Delta robot from the point of view of applications, kinematics, mechanics and investigation. The second part of the document shows the ...
  • Disseny i prototip 3d d’una màquina transfer 

    Arbós, Alejandro (Universitat Politècnica de Catalunya, 2009-07)
    Projecte/Treball Final de Carrera
    Accés obert
    El present projecte tracta de sobre la realització d’una màquina trasnfer o de transferència rotativa, per tal de millorar un procés de mecanització de dues peces, per tal de millorar la productivitat i l’eficàcia de ...
  • Disseny i validació d'un carregador de mòbil autònom 

    Díez Quílez, Cristian (Universitat Politècnica de Catalunya, 2014-06)
    Treball Final de Grau
    Accés obert
    En el món actual la tecnologia s’ha convertit en una necessitat bàsica en el nostre dia a dia. L’abastiment energètic dels nostres aparells juga un paper clau en la nostre interacció amb ells, especialment quan els equips ...
  • Distance-based position analysis of the three seven-link Assur kinematic chains 

    Rojas Libreros, Nicolás Enrique; Thomas, Federico (2011-02)
    Article
    Accés obert
    The position analysis of planar linkages has been dominated by resultant elimination and tangent-half-angle substitution techniques applied to sets of kinematic loop equations. This analysis is thus reduced to finding ...