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Academic literature on the topic 'Planification et ordonnancement'
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Journal articles on the topic "Planification et ordonnancement"
Hatchuel, Armand, JING Liu, and Jean-Claude Sardas. "Planification et ordonnancement des productions complexes : la recherche d’une articulation cohérente." Revue Française de Gestion Industrielle 9, no. 3 (September 1, 1990): 5–35. http://dx.doi.org/10.53102/1990.9.03.167.
Full textBelley, Jean-Guy. "L'entreprise, l'approvisionnement et le droit. Vers une théorie pluraliste du contrat." Les Cahiers de droit 32, no. 2 (April 12, 2005): 253–99. http://dx.doi.org/10.7202/043082ar.
Full textDissertations / Theses on the topic "Planification et ordonnancement"
Carrera, Susana. "Planification et ordonnancement des plateformes logistiques." Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2010. http://tel.archives-ouvertes.fr/tel-00606411.
Full textCarrera, Susana. "Planification et ordonnancement de plateformes logistiques." Thesis, Vandoeuvre-les-Nancy, INPL, 2010. http://www.theses.fr/2010INPL061N/document.
Full textThe aim of this thesis is to provide decision support systems to control logistic platforms at the mid-term and short-term levels. Several problems and main notions concerning logistic platform context are described in the first part. In the second part, planning problems are studied. Two linear programming models are proposed to minimize the workforce costs. These models take into account several characteristics : seasonal flow variations, work and flow organization in the platform, and local negotiations of the upstream and downstream flows. In consequence, our decision support system can be used in the flow coordination between supply chain partners. Two types of negotiations are considered : negotiations of upstream and downstream delivered quantities and negotiation of delivery dates. These models have been tested on pertinent randomly generated instances inspired from concerete problems. In the third part of the thesis, the external flows of the platforme are assumed to be fixed. Orders preparation scheduling problem inside the platform is considered. Two families of strong contraints are combined : staircase availability of components (consumable resources) and dixed delivery dates. According to the way the downstream deliveries are organized and penalised, three different cases (based on industrial applications) have been studied. We proposed three branch and bound procedures for these problems, and an integer linear program for the easiest problem. Experimental analysis has been done over heterogeneous randomly generated instance families. In the last part, a series of perspectives for this work are proposed
Guyon, Olivier. "Couplage Planification et Ordonnancement: Approche hiérarchique et décomposition." Phd thesis, Université d'Angers, 2010. http://tel.archives-ouvertes.fr/tel-00514061.
Full textBaki, Bassam. "Planification et ordonnancement probabilistes sous contraintes temporelles." Phd thesis, Université de Caen, 2006. http://tel.archives-ouvertes.fr/tel-00127880.
Full textLes tâches et les contraintes sont représentées à l'aide d'un graphe ET/OU et les durées des tâches sont pondérées par des probabilités d'exécution. Celles-ci expriment une incertitude sur la connaissance exacte des durées d'exécution des tâches qui ne seront réellement connues que lors de l'exécution effective. Ainsi, une tâche s'exécute durant l'une de ses durées d'exécution possibles avec la probabilité associée à celle-ci. Étant donné ce graphe, notre objectif est de déterminer un plan de tâches qui satisfait toutes les contraintes et qui répond aux critères de choix exigés par l'utilisateur en terme de temps, de coût et de probabilité. L'application de ce plan doit garantir le monde de façon que le but soit atteint tout en satisfaisant les contraintes du domaine.
Nous avons appliqué notre méthode de planification à un cas pratique relativement complexe qui concerne la planification d'un ensemble d'agents travaillant ensemble dans un lieu afin d'atteindre un but donné tout en respectant les délais et les contraintes du domaine (temps, coût, probabilité, disponibilité, spécialité,...).
Detienne, Boris. "Planification et ordonnancement : méthodes de décomposition et génération de coupes." Compiègne, 2007. http://www.theses.fr/2007COMP1683.
Full textThis PhD thesis consists in the study of two problems in Operational Research. In the first part, a lagrangian lower bound is proposed for a particular employee timetabling problem, followed by a Benders decomposition and a specific cut generation process based on an exponential formulation, that allow the solving of real-size instances. For solving bigger instances, a taboo method is developed. The second part is a study of the Single Machine Earliness- Tardiness Problem with general completion costs and release dates. After computational results obtained by different lower bounds, we give several dominance rules, and provide new elimination rules that turn out to be very efficient. Indeed, we develop an exact method dominating all known approaches for this problem
Wolosewicz, Cathy. "Approche intégrée en planification et ordonnancement de la production." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2008. http://tel.archives-ouvertes.fr/tel-00470748.
Full textSevaux, Marc. "Etude de deux problemes d'optimisation en planification et ordonnancement." Paris 6, 1998. http://www.theses.fr/1998PA066329.
Full textDauzère-Pérès, Stéphane. "Planification et ordonnancement de la production : une approche intégrée cohérente." Toulouse 3, 1992. http://www.theses.fr/1992TOU30098.
Full textMorin, Pierre-Antoine. "Planification et ordonnancement de projets sous contraintes de ressources complexes." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30291/document.
Full textThe project structure arises in many fields of industry and services. It consists in performing a set of activities that may be linked by precedence relations, and use resources whose capacity is limited. The objective is to minimize a criterion usually linked to the duration or the cost of the project. Most of project scheduling problems in the literature assume that the same time scale should be used to determine activity start and completion dates and check resource constraints at each time. However, although it is often required in practice to build a precise schedule specifying the execution range of each activity, the resource usage can be evaluated on an aggregated basis, like worker shifts. In this thesis, a new model that enables the integration of these two time scales is presented in order to define the periodically aggregated resource-constrained project scheduling problem (PARCPSP). This problem is studied within the framework of complexity theory and several structural properties are established, highlighting major differences with the standard resource-constrained project scheduling problem (RCPSP). These properties allow deriving exact formulations based on integer linear programming, whose linear relaxations are compared. Moreover, several heuristics, such as schedule generations schemes, or an approached method based on a multi time scale iterative process, are proposed. Experimental results show the interest of these different methods and point out the intractability of the problem
Moisan, Thierry. "Minimisation des perturbations et parallélisation pour la planification et l'ordonnancement." Doctoral thesis, Université Laval, 2016. http://hdl.handle.net/20.500.11794/26631.
Full textWe study in this thesis two approaches that reduce the processing time needed to solve planning and ordering problems in a constraint programming context. We experiment with multiple thousands of processors on the planning and scheduling problem of wood-finish operations. These issues are of a great importance for businesses, because they can better manage their production and save costs related to their operations. The first approach consists in a parallelization of the problem solving algorithm. We propose a new parallelization technique (named PDS) of the search strategies, that reaches four goals: conservation of the nodes visit order in the search tree as defined by the sequential algorithm, balancing of the workload between the processors, robustness against hardware failures, and absence of communication between processors during the treatment. We apply this technique to parallelize the Limited Discrepancy-based (LDS) search strategy to obtain Parallel Limited Discrepancy-Based Search (PLDS). We then show that this technique can be generalized by parallelizing two other search strategies: Depth-Bounded discrepancy Search (DDS) and Depth-First Search (DFS). We obtain, respectively, Parallel Discrepancy-based Search (PDDS) and Parallel Depth-First Search (PDFS). The algorithms obtained this way create an intrinsic workload balance: the imbalance of the workload among the processors is bounded when a branch of the search tree is pruned. By using datasets coming from industrial partners, we are able to improve the best known solutions. With the second approach, we elaborated a method to minimize the changes done to an existing production plan when new information, such as additional orders, are taken into account. Completely re-planning the production activities can lead to a very different production plan which create additional costs and loss of time for businesses. We study the perturbations caused by the re-planification with three distance metrics: Hamming distance, Edit distance, and Damerau-Levenshtein Distance. We propose three mathematical models that allow to minimize these perturbations by including these metrics in the objective function when replanning. We apply this approach to the planning and scheduling problem of wood-finish operations and we demonstrate that this approach outperforms the use of the original model.