Laboratoire de Conception Fabrication Commande (LCFC): Recent submissions

Now showing items 232-238 of 282

    • Quasi optimal sagittal gait of a biped robot with a new structure of knee joint 
      Article dans une revue avec comité de lecture
      HOBON, Mathieu; LAKBAKBI EL YAAQOUBI, Nafissa; ABBA, Gabriel (Elsevier, 2013)
      The design of humanoid robots has been a tricky challenge for several years. Due to the kinematic complexity of human joints, their movements are notoriously difficult to be reproduced by a mechanism. The human knees allow ...
    • Thixoforming of Steel: New Tools Conception to Analyse Thermal Exchanges and Strain Rate Effects 
      Communication avec acte
      CEZARD, Pierre; ccBECKER, Eric; MATHIEU, Stéphane; PIERRET, Jean-Christophe; RASSILI, Ahmed (E. Cueto and F. Chinesta, 2007)
      Through different papers [1,2], authors shown that the influence of thermal exchanges was a first order parameter on the semi-solid steel behaviour, and certainly for every semi-solid metallic materials. These thermal ...
    • Metallurgical and mechanical analysis from thixoforging steel shape 
      Communication avec acte
      ccBECKER, Eric; PIERRET, Jean-Christophe; CEZARD, Pierre; ccFAVIER, Véronique; ccLANGLOIS, Laurent (2008)
      Since always, Industry minimizes manufacturing process plan and increases mechanical behaviour. In this topic, the thixoforging process offers important perspectives especially steel thixoforging. It is on the way of ...
    • THERMOMECHANICAL MODELLING AND SIMULATION OF C38 THIXOEXTRUSION STEEL 
      Article dans une revue avec comité de lecture
      ccBECKER, Eric; ccLANGLOIS, Laurent; ccFAVIER, Véronique; ccBIGOT, Regis (Trans Tech Publications Ltd, 2014)
      The present paper focuses the modelling and the simulation of a direct thixoextrusion test achieved on C38 semi-solid steel. To validate the modelling and the simulation, it is important to get various experimental ...
    • NON-LINEAR OBSERVER-BASED CONTROL OF FLEXIBLE-JOINT MANIPULATORS USED IN MACHINE PROCESSING 
      Communication avec acte
      QIN, Jinna; LEONARD, François; ABBA, Gabriel (ASME, 2012)
      This paper proposes to use a non-linear observer to build the state and the external force of flexible manipulator robots during their machining (composite materials) processes or Friction Stir Welding (FSW) processes. ...
    • Influence of frictions on gait optimization of a biped robot with an anthropomorphic knee 
      Communication avec acte
      HOBON, Mathieu; LAKBAKBI EL YAAQOUBI, Nafissa; ABBA, Gabriel (IEEE, 2013)
      This paper presents the energy consumption of a biped robot with a new modelled structure of knees which is called rolling knee (RK). The dynamic model, the actuators and the friction coefficients of the gear box are known. ...
    • Some approaches on industrialization of steel thixoforging processes 
      Communication avec acte
      ccBECKER, Eric; ccLANGLOIS, Laurent (Trans Tech Publications, 2012)
      Based on several years of research, this paper presents some approaches on industrializing steel thixoforging processes. From a billet to a complex-shaped final part obtained in one single step, several key elements of the ...