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Academic literature on the topic 'Systèmes à paramètres répartis – Gestion – Modèles mathématiques'
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Dissertations / Theses on the topic "Systèmes à paramètres répartis – Gestion – Modèles mathématiques"
Fitouhi, Mohamed Chahir. "Optimisation de la planification intégrée de la maintenance préventive et de la production des systèmes multi-états." Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/28234/28234.pdf.
Full textFauré, Fabienne. "Gestion de configuration et migration dans les systèmes coopératifs : une architecture répartie orientée services." Toulouse 3, 1994. http://www.theses.fr/1994TOU30253.
Full textCanon, Louis-claude. "Outils et algorithmes pour gérer l'incertitude lors de l'ordonnancement d'application sur plateformes distribuées." Thesis, Nancy 1, 2010. http://www.theses.fr/2010NAN10097/document.
Full textThis thesis consists in revisiting traditional scheduling problematics in computational environments, and considering the adjunction of uncertainty in the models. We adopt here a wide definition of uncertainty that encompasses the intrinsic stochastic nature of some phenomena (e.g., processor failures that follow a Poissonian distribution) and the imperfection of model characteristics (e.g., inaccuracy of the costs in a model due to a bias in measurements). We also consider uncertainties that stem from indeterminations such as the user behaviors that are uncontrolled although being deterministic. Scheduling, in its general form, is the operation that assigns requests to resources in some specific way. In distributed environments, we are concerned by a workload (i.e., a set of tasks) that needs to be executed onto a computational platform (i.e., a set of processors). Therefore, our objective is to specify how tasks are mapped onto processors. Produced schedules can be evaluated through many different metrics (e.g., processing time of the workload, resource usage, etc) and finding an optimal schedule relatively to some metric constitutes a challenging issue. Probabilistic tools and multi-objectives optimization techniques are first proposed for tackling new metrics that arise from the uncertainty. In a second part, we study several uncertainty-related criteria such as the robustness (stability in presence of input variations) or the reliability (probability of success) of a schedule
Villemur, Thierry. "Conception de services et de protocoles pour la gestion de groupes coopératifs." Phd thesis, Université Paul Sabatier - Toulouse III, 1995. http://tel.archives-ouvertes.fr/tel-00146528.
Full textChentouf, Boumediène. "Contribution à la stabilité et à la stabilisation de systèmes à paramètres répartis." Metz, 1998. http://docnum.univ-lorraine.fr/public/UPV-M/Theses/1998/Chentouf.Boumediene.SMZ9862.pdf.
Full textThis work contributes to the stability and the stabilization of distributed parameter systems. Our first result is the exponential stability of a coupled contraflow heat-exchanger which was modeled to simulate dynamic behaviour of industrial Alumina furnace. This result is, in fact, an application of a theorem which we established and that shows the exponential stability of a class of hyperbolic linear systems with L[infini]-coefficients. Furthermore, we dealt with the boundary feedback stabilization problem of a variant of model SCOLE (beam+antenna) introduced by the engineers of NASA. We considered the case where the acceleration term of the antenna is neglected whereas in the other case we neglected its moment of inertia. We proved in both cases uniform stabilization of the system by simple and usual controls (force and/or moment). Moreover, we presented a spectral study which is illustrated by numerical simulations. We were also interested in stabilization problem of a flexible arm with a variable stiffness. We proved the strong stabilisation of the energy by nonlinear feedback laws depending only on boundary velocities. Next, under growth conditions on the laws, the uniform and the rational decay rate of the energy is also estimated. Finally, a study is devoted to the stabilization of body-beam system without damping. We proposed nonlinear controls and we proved the exponential stability of the closed loop system. This new result, which is an extension of the linear case treated in the literature, is not deprived of practical interest since our class of controls avoid eventually some saturation phenomena in the actuators
Soro, Wassy Isaac. "Modélisation et optimisation des performances et de la maintenance des systèmes multi-états." Thesis, Université Laval, 2011. http://www.theses.ulaval.ca/2011/27614/27614.pdf.
Full textSlimi, Redouane. "Modélisation et simulation des systèmes distribués étalable par automates cellulaires." Perpignan, 2008. http://www.theses.fr/2008PERP0877.
Full textHus, Philippe. "Modélisation et simulation d'un procédé de séparation à membrane en régime dynamique : application à la pervaporation." Lille 1, 1997. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1997/50376-1997-31.pdf.
Full textRaoux, Jean-Jacques. "Modélisation non-linéaire des composants électroniques : du modèle analytique au modèle tabulaire paramétrique." Limoges, 1995. http://www.theses.fr/1995LIMO0006.
Full textDufour, Pascal. "Contribution à la commande prédictive des systèmes à paramètres répartis non linéaires." Phd thesis, Université Claude Bernard - Lyon I, 2000. http://tel.archives-ouvertes.fr/tel-00337724.
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