Topological and motion measuring tool

G - Physics – 01 – B

Patent

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Details

G01B 21/04 (2006.01) G01B 11/16 (2006.01) G06F 3/00 (2006.01)

Patent

CA 2284085

A position, orientation, shape and motion measuring tool is provided in the form of a flexible substrate with bend and twist sensors distributed along its surface at known intervals. A ribbon-type substrate is preferred. The geometric configuration of the substrate is calculated from inter-referencing the locations and orientations of the sensors based upon the detected bend and twist values. Suitable applications include motion capture for humans for use in animation, six degree of freedom input to a computer, profile measurement and location tracking within a large, singularity-free working space.

L'invention concerne un instrument servant à mesurer la position, l'orientation, la forme et le mouvement. Ledit instrument se présente sous forme d'un substrat flexible, muni de capteurs de courbure et de torsion, lesquels sont répartis le long de la surface dudit substrat à des intervalles préétablis. Un substrat de type ruban est préférable. La configuration géométrique du substrat est calculée à partir des références comparées des emplacements et des orientations des capteurs en fonction des valeurs de courbure et de torsion détectées. Des applications possibles sont les suivantes: saisie du mouvement à des fins d'animation, entrée de six degrés de liberté dans un ordinateur et mesure du profil et repérage d'emplacements dans un espace de travail important ne présentant pas de singularités.

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