Broken particle e.g. ballast, morphology determining method for use in e.g. railway domain, involves processing relative positions of two consecutive segments that close in contour for determining criterion of morphology of material
The method involves bringing a broken material e.g. aggregate composed of multiple particles, and projecting a shadow of a particle having a contour (26). Coordinates (C) of points of contour are determined and are processed to close in the contour by several consecutive segments. A criterion of mor...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The method involves bringing a broken material e.g. aggregate composed of multiple particles, and projecting a shadow of a particle having a contour (26). Coordinates (C) of points of contour are determined and are processed to close in the contour by several consecutive segments. A criterion of morphology of the broken material is determined by processing the relative positions of two consecutive segments. An independent claim is also included for a device for determining the morphology of a broken material e.g. aggregate, ballast.
L'invention concerne un procédé et un dispositif de détermination de la morphologie (M) d'un matériau divisé, en particulier d'un granulat, ledit matériau divisé étant composé d'au moins une particule, qui permettent :- de projeter une ombre de ladite particule ayant un contour (26),- de déterminer les coordonnées (C) des points (26i) dudit contour (26),- de traiter lesdites coordonnées (C) pour approcher ledit contour(26) par une pluralité de segments consécutifs (32i, 32i+1), et- de déterminer un critère de morphologie (M) dudit matériau divisé par un traitement des positions relatives d'au moins deux desdits segments consécutifs (32i, 32i+1). |
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