Analyse et évaluation de la reconfiguration d'une ligne de production : application à l'assemblage en tôlerie automobile

Abstract : In order to introduce a new product in an existing plant, several decisions concerning possible changes in the production system have to be made. These changes are more frequent and require to reconfigure the system as often as needed. It represents a disruption during the system life cycle. Several solutions are assessed in terms of investment cost, reconfiguration time, quality and flexibility of the production system at the preliminary phases of the project. The objectives are multiple and sometimes conflicting. That makes difficult to reach a consensus in the assessment of solutions. Moreover, it is difficult to have a shared vision of the impact of changes on the initial configuration of a production line. The decisions made during this phase have a significant impact on the other project phases (development, integration, start of production). In order to improve these decisions, this thesis proposes first, to study the reconfiguration process of a production line in order to identify solutions and their impacts on the initial system configuration, then after, we identify and organize the relevant performance criteria to assess solutions with a multi-criteria based approach in the early phases of the project. Finally, we develop a factory digital review process to detect problems earlier and validate the solutions adopted at several project milestones.
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Remiel Feno. Analyse et évaluation de la reconfiguration d'une ligne de production : application à l'assemblage en tôlerie automobile. Génie des procédés. Ecole nationale supérieure d'arts et métiers - ENSAM, 2016. Français. ⟨NNT : 2016ENAM0057⟩. ⟨tel-01564062⟩

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