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Etude d'un système de génération automatique de gammes de fabrication

Abstract : Our study mainly concerns the definition of structure of process-planning knowledge and their use by an expert system SAGGA. The different process-planning belonging to such family are you represented by an oriented graph where the nodes are the operations and the branches the geometrical conditions and technical conditions to perform these operations. This graph defines manufacturing process model for the product family. On mathematical point of view, this model is described according to a particular Petri network are the stages and the manufacturing conditions some transitions. The properties of this network called Grafcet which is used in sequential systems control. The graph representing the manufacturing model is defined by productions rules written in an internal language. The expert system then produces the process-planning corresponding to the new product, from part code number and additional information given by user. If the proposed process-planning is not satisfactory, the user may modify then using rules written in an internal language. These rules are then translated in internal language and upted the family knoledge base. Post processor completed the operations defined by the process-planning. It uses an iterative display with technological table and takes into account manufacturing constraints
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Submitted on : Tuesday, April 24, 2018 - 3:40:57 PM
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  • HAL Id : tel-01775717, version 1



Michel Spadoni. Etude d'un système de génération automatique de gammes de fabrication. Sciences de l'ingénieur [physics]. Université Paul Verlaine - Metz, 1987. Français. ⟨NNT : 1987METZ001S⟩. ⟨tel-01775717⟩



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