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• W13461177 abstract "La dynamique des marches a evolue et les entreprises manufacturieres ont du s’adapter pour rester competitives. Une usine se definissait historiquement par les biens qu’elle produisait. La valeur de ces biens etait evaluee avant tout par leurs composants. Mais sous la pression du marche et de son dynamisme accru, les usines souhaitant rester competitives deviennent de plus en plus des centres de service. Cela provoque des changements et des problemes de gestion pour lesquels elles n’etaient pas preparees. L’efficacite economique de la creation de valeur n’est plus aujourd’hui la seule propriete des produits, mais se deplace vers les processus. Cela signifie que les potentiels qui seront decisifs ne sont pas a chercher dans les capacites des produits, mais dans les capacites des processus. En effet, la mondialisation accroit l’anonymat des produits tout au long de chaines d’approvisionnement plus longues et plus complexes. Toute entreprise souhaitant se demarquer de la competition doit proposer a ses clients de la valeur ajoutee additionnelle tels qu’une flexibilite accrue, des delais de livraison plus courts, un meilleur respect des delais, un plus grand choix d’options. Ces proprietes sont le fruit des processus. Leur valeur ajoutee se transfere a leur resultat et donc au client. Une des conditions necessaires a la transparence des processus est leur capacite a coller en temps reel au flux de valeur de l’entreprise. Les processus doivent etre en mesure de s’adapter aux conditions changeantes de l’environnement, de reagir a des evenements imprevus et de resoudre ces difficultes en collaborant. C’est a ces conditions qu’ils pourront devenir des processus adaptatifs.Cette these s’interesse aux processus de reordonnancement en milieu industriel. Elle vise l’implantation de composantes d’aide a la prise de decision en temps reel ainsi que des mecanismes de boucle retroactive integrant l’optimisation et les techniques de simulation au sein d’applications ERP et MES permettant ainsi de connecter l’atelier de production au reste de l’entreprise. La plateforme qui a ete mise en place permet de repondre en temps reel aux divers aleas survenant dans l’atelier et peut etre etendue au-dela de la problematique de l’ordonnancement.----------ABSTRACT The market dynamics have evolved and manufacturing facilities have followed this trend to stay competitive. The classic factory has been defined by its manufactured goods. The value of these goods has been measured primarily by their material components. But under the market pressure and its increasing dynamism, factories wishing to stay competitive are becoming modern service centers. It has resulted in management problems for which many companies are not yet prepared. Today, the economic efficiency of value creation is not a property of the products but rather of the process. It means the decisive potentials of companies are to be found not so much in their production capability but in their process capability. Indeed, increasing globalization is necessarily leading towards more anonymous products out of long supply chains. Any enterprise wishing to stand out from the competition in the future needs a strategy which offers the customer an additional added value, such as, for example, high flexibility, short delivery times, high delivery reliability, and wide range of variants. These properties are created by the processes. The requirement for process capability gives rise in turn to the requirement that all value-adding processes be geared to the process result and thus to the customer. A necessary condition of process transparency is the ability to map the company's value stream in real time. Processes must be able to adapt to environmental changing conditions, react to unforeseen events and to solve these difficulties by collaborating. Under these conditions they can be called adaptive processes.This thesis focuses on scheduling process in manufacturing environments. The main objective is to implement real time decision-making support components as well as feedback loop mechanisms integrating optimization and simulation techniques in ERP and MES applications allowing connecting the shop floor to the rest of the enterprise. The proposed platform responds in real time to various events occurring on the shop floor and may be extended beyond the scheduling issue.The works developed during this thesis are based on four published, accepted or submitted papers to specialized papers:" @default.
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• W13461177 date "2009-11-01" @default.
• W13461177 modified "2023-10-18" @default.
• W13461177 title "Aide à la prise de décision en temps réel dans un contexte de production adaptative" @default.
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