Now showing items 589-595 of 724

    • Communication avec acte
      LAHOUSSE, Ludovic; LELEU, Stéphane; DAVID, Jean-Marie; DUCOURTIEUX, Sébastien; ccGIBARU, Olivier (EUSPEN, 2007)
      The Laboratoire National de Métrologie et d’Essais (LNE) has developed an innovative ultra precision coordinate measuring machine [1,2] traceable to the national length standard. This machine can be equipped with different ...
    • Article dans une revue avec comité de lecture
      BARRE, Pierre-Jean; ccBEAREE, Richard (Elsevier, 2007)
      L’augmentation des performances des machines de positionnement passe par l’augmentation des accélérations et donc des sollicitations transmises à la structure de la machine. Ces contraintes sont susceptibles d’engendrer ...
    • Communication avec acte
      ELGUEDER, Jawhar; COCHENNEC, Florent; ROUHAUD, Emmanuelle; ccROUCOULES, Lionel (2009)
      In order to tackle a continuous improvement of virtual engineering, product modelling has to integrate always more knowledge that refer to every decision taken during the product development process. Those decisions have ...
    • Article dans une revue avec comité de lecture
      LESAGE, David; LEON, Jean-Claude; ccVERON, Philippe (World Scientific Publishing, 2005)
      The segmentation of digitized data to divide a free form surface into patches is one of the key steps required to perform a reverse engineering process of an object. To this end, discrete curvature approximations are ...
    • Article dans une revue avec comité de lecture
      EL HAYEK, Nadim; NOUIRA, Hichem; ANWER, Nabil; DAMAK, Mohamed; ccGIBARU, Olivier (Elsevier, 2014)
      In the framework of form characterization of aspherical surfaces, European National Metrology Institutes (NMIs) have been developing ultra-high precision machines having the ability to measure aspherical lenses with an ...
    • Article dans une revue avec comité de lecture
      EL HAYEK, Nadim; NOUIRA, Hichem; ANWER, Nabil; DAMAK, Mohamed; BOURDET, Pierre; ccGIBARU, Olivier (ELSEVIER, 2014)
      Aspheric surfaces have become widely used in various fields ranging from imaging systems to energy and biomedical applications. Although many researches have been conducted to address their manufacturing and measurement, ...
    • Article dans une revue sans comité de lecture
      EL HAYEK, Nadim; NOUIRA, Hichem; ANWER, Nabil; DAMAK, Mohamed; ccGIBARU, Olivier (IOP Publishing, 2014)
      The application of freeform surfaces has increased since their complex shapes closely express a product's functional specifications and their machining is obtained with higher accuracy. In particular, optical surfaces ...