Academic literature on the topic 'Contrôle récursif'
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Journal articles on the topic "Contrôle récursif":
Azmani, Monir, Serge Reboul, Jean-Bernard Choquel, and Mohammed Benjemoul. "Un estimateur récursif des paramètres statistiques d'une distribution circulaire de von Mises et d'une distribution Log-normale. Application à l'estimation de la direction et de la vitesse du vent." Journal Européen des Systèmes Automatisés 44, no. 4-5 (May 30, 2010): 525–45. http://dx.doi.org/10.3166/jesa.44.525-545.
Dissertations / Theses on the topic "Contrôle récursif":
Martin, Éric. "L'apprentissage du contrôle sous contrôle récursif." Paris 7, 1993. http://www.theses.fr/1993PA077080.
Lebreux, Marc. "Contrôle de l'épaisseur de gelée dans les réacteurs métallurgiques à haute température à l'aide d'un capteur virtuel." Thèse, Université de Sherbrooke, 2011. http://savoirs.usherbrooke.ca/handle/11143/1966.
Cembalo, Agostino. "Stratégie innovante d'optimisation de la traînée aérodynamique en temps réel pour l'amélioration de l'efficacité énergétique des voitures." Electronic Thesis or Diss., Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2024. http://www.theses.fr/2024ESMA0007.
The reduction of CO2 emissions and environmental footprint represents a major challenge for the automotive industry in the 21st century, with approximately 72% of greenhouse gas emissions in the European transportation sector attributed to road transport. To address this issue, automotive manufacturers are increasingly focusing on reducing the environmental footprint of their vehicles and minimizing energy consumption. In this context, car aerodynamics plays a crucial role. This study therefore explores the challenges and opportunities associated with real-time control of vehicle’s wakes using a Predictive Control with Recursive model estimation based on a Subspace method (RSPC). We first characterize the wake of a full-scale vehicle, both in wind tunnel and on-road. The results highlight the importance of low-frequency phenomenons and quasi-static wake movements. Subsequently, we implement a control methodology aimed at regulating the angular positions of rigid flaps located at the base of the studied models to maintain a prescribed base pressure state. Among the significant results, we note that the control law succeeds in achieving defined objectives under varied conditions, including variations in yaw angle and disturbances in the underflow through the use of a movable grid placed upstream of the vehicle. The observed benefits in terms of aerodynamic drag are remarkable and model-dependent, while maintaining relatively low energy consumption. The latter varies between 0.35% and 0.6% of the dissipated aerodynamic power. In conclusion,this study opens new perspectives for vehicle aerodynamic control, offering significant opportunities for energy consumption reduction and, consequently, greenhouse gas emissions. It thus aim to mitigating the effects of climate change
Khereddine, Rafik. "Méthode adaptative de contrôle logique et de test de circuits AMS/FR." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00647169.
Khereddine, R. "Méthode adaptative de contrôle logique et de test de circuits AMS/RF." Phd thesis, Université de Grenoble, 2011. http://tel.archives-ouvertes.fr/tel-00656920.
Cai, Jiatu. "Méthodes asymptotiques en contrôle stochastique et applications à la finance." Sorbonne Paris Cité, 2016. http://www.theses.fr/2016USPCC338.
In this thesis, we study several mathematical finance problems related to the presence of market imperfections. Our main approach for solving them is to establish a relevant asymptotic framework in which explicit approximate solutions can be obtained for the associated control problems. In the first part of this thesis, we are interested in the pricing and hedging of European options. We first consider the question of determining the optimal rebalancing dates for a replicating portfolio in the presence of a drift in the underlying dynamics. We show that in this situation, it is possible to generate positive returns while hedging the option and describe a rebalancing strategy which is asymptotically optimal for a mean-variance type criterion. Then we propose an asymptotic framework for options risk management under proportional transaction costs. Inspired by Leland’s approach, we develop an alternative way to build hedging portfolios enabling us to minimize hedging errors. The second part of this manuscript is devoted to the issue of tracking a stochastic target. The agent aims at staying close to the target while minimizing tracking efforts. In a small costs asymptotics, we establish a lower bound for the value function associated to this optimization problem. This bound is interpreted in term of ergodic control of Brownian motion. We also provide numerous examples for which the lower bound is explicit and attained by a strategy that we describe. In the last part of this thesis, we focus on the problem of consumption-investment with capital gains taxes. We first obtain an asymptotic expansion for the associated value function that we interpret in a probabilistic way. Then, in the case of a market with regime-switching and for an investor with recursive utility of Epstein-Zin type, we solve the problem explicitly by providing a closed-form consumption-investment strategy. Finally, we study the joint impact of transaction costs and capital gains taxes. We provide a system of corrector equations which enables us to unify the results in [ST13] and [CD13]
Mechhoud, Sarah. "Estimation de la diffusion thermique et du terme source du modèle de transport de la chaleur dans les plasmas de tokamaks." Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00954183.
Pham, Viet Thang. "Méta-modélisation de l'adaptation dynamique du contrôle des systèmes multi-agents." Thèse, 2007. http://hdl.handle.net/1866/17875.
Books on the topic "Contrôle récursif":
M, Milanese, ed. Bounding approaches to system identification. New York: Plenum Press, 1996.
Milanese, M. Bounding Approaches to System Identification. Springer, 2013.
Piet-Lahanier, H., É. Walter, J. Norton, and M. Milanese. Bounding Approaches to System Identification. Springer, 2013.