Manufacturing system and method

G - Physics – 05 – B

Patent

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G05B 19/4097 (2006.01) G05B 19/4099 (2006.01) G06F 17/10 (2006.01) G06F 17/50 (2006.01) A61F 2/30 (2006.01)

Patent

CA 2382938

A method for manufacturing an object having a potential {x} that is generated in response to a field {f} applied thereto. A computerized mathematical model (801) of the object is generated by discretizing a geometric model of the object into a plurality of finite elements (802) and specifying values for the field {f} and potential {x} relative to the finite elements (802). The material properties (804) of the finite elements (802) are specified to have a particular symmetry and a material property (804) matrix [k] is calculated based on the relationship {f}=[k]{x} and the specified symmetry. Material property (804) coefficients are extracted from the material property (804) matrix [k] for each finite element (802) in the computerized mathematical model (801) and the extracted material property (804) coefficients are compared to material property (804) coefficients for known materials to match the extracted material property (804) coefficients to the material property (804) coefficients for known materials. Manufacturing parameters (805) for controlling manufacturing equipment are determined based on the matched material property (804) coefficients and the manufacturing equipment is controlled in accordance with the determined manufacturing parameters (805) to thereby manufacture the object.

L'invention concerne un procédé de fabrication d'un objet dont le potentiel {x} est généré en réaction à l'application d'un champ {f}. Selon ledit procédé, on génère un modèle (801) mathématique informatisé de l'objet par discrétisation d'un modèle géométrique de l'objet en une pluralité d'éléments finis (802) et par spécification de valeurs pour le champ {f} et le potentiel {x} relatifs aux éléments finis (802). On spécifie ensuite les propriétés matérielles (804) des éléments finis (802) de manière à obtenir une symétrie particulière et l'on calcule une matrice [k] de propriétés matérielles (804) sur la base de la relation {f}=[k]{x} et de la symétrie spécifiée. On extrait alors des coefficients de propriétés matérielles (804) de la matrice [k] de propriétés matérielles (804) pour chacun des éléments finis (802) du modèle (801) mathématique informatisé et l'on compare ces coefficients aux coefficients de propriétés matérielles (804) de matériaux connus afin de faire correspondre les coefficients de propriétés matérielles (804) extraits et les coefficients de propriétés matérielles (804) de matériaux connus. On détermine les paramètres (805) de fabrication destinés à la commande du matériel de fabrication sur la base des coefficients de propriétés matérielles (804) appariés et l'on commande le matériel de fabrication conformément aux paramètres (805) de fabrication déterminés pour procéder à la fabrication de l'objet.

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