Academic literature on the topic 'Prédiction trajectoire'
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Journal articles on the topic "Prédiction trajectoire"
Silva, Sónia, and Anne-Hélène Kerbiriou. "Temps, prédiction et avenir dans la divination rétrospective." Anthropologie et Sociétés 42, no. 2-3 (October 5, 2018): 107–26. http://dx.doi.org/10.7202/1052639ar.
Full textAhamadi, Daroussi. "Jalons de l’animation socioculturelle à Mayotte." Revue internationale animation, territoires et pratiques socioculturelles, no. 10 (June 15, 2016): 31–42. http://dx.doi.org/10.55765/atps.i10.576.
Full textFalconer, James, and Amélie Quesnel-Vallée. "The moderating effect of sociodemographic factors on the predictive power of self-rated health for mortality in Canada." Canadian Studies in Population 44, no. 1-2 (April 11, 2017): 77. http://dx.doi.org/10.25336/p64c7p.
Full textLussier, Patrick. "Trajectoires criminelles et récidive des délinquants sexuels adultes : l’hypothèse « statique » revue et corrigée." Criminologie 43, no. 2 (April 4, 2011): 269–302. http://dx.doi.org/10.7202/1001778ar.
Full textDussault, Frédéric, Frank Vitaro, Mara Brendgen, Michel Boivin, Jean R. Séguin, and Ginette Dionne. "Chevauchement entre les trajectoires de jeu et les trajectoires de consommation de psychotropes au début de l’adolescence : une étude longitudinale génétiquement informative." Drogues, santé et société 12, no. 2 (October 14, 2014): 20–46. http://dx.doi.org/10.7202/1026876ar.
Full textAllaire, Gilles, Éric Cahuzac, and Gabriel Tahar. "Persistance du chômage et insertion." Articles 76, no. 2 (February 5, 2009): 237–63. http://dx.doi.org/10.7202/602323ar.
Full textKunze, A., H. Torregrossa, J. Herranz, M. Melchior, and M. Mary-Krause. "Facteurs prédictifs des trajectoires de consommation d’alcool de l’adolescence à l’âge adulte." French Journal of Psychiatry 1 (December 2019): S41. http://dx.doi.org/10.1016/j.fjpsy.2019.10.256.
Full textAlexandre-Gouabau, M., J. Antignac, M. Molamine, E. Qannari, V. Cariou, T. Moyon, A. Souchard, L. Simon, C. Boscher, and C. Boquien. "Le lipidome du lait maternel prédictif de la trajectoire pondérale postnatale du prématuré." Nutrition Clinique et Métabolisme 31, no. 1 (February 2017): 37. http://dx.doi.org/10.1016/j.nupar.2016.10.020.
Full textJULIAN-REYNIER, Claire, Jean-Paul MOATTI, Pascale BOURRET, François EISINGER, and Hagay SOBOL. "Vers une colonisation génétique de la médecine?" Sociologie et sociétés 28, no. 2 (September 30, 2002): 141–55. http://dx.doi.org/10.7202/001368ar.
Full textBenguella, L., A. Bourredjem, D. Laroche, C. Binquet, C. Morisset, J. F. Maillefert, and P. Ornetti. "Comment prédire l’évolution algo-fonctionnelle dans la coxarthrose: analyse des trajectoires latentes sur 3 ans et de leurs facteurs prédictifs." Revue du Rhumatisme 83 (November 2016): A108—A109. http://dx.doi.org/10.1016/s1169-8330(16)30372-6.
Full textDissertations / Theses on the topic "Prédiction trajectoire"
Alligier, Richard. "Apprentissage artificiel appliqué à la prévision de trajectoire d'avion." Phd thesis, Toulouse, INPT, 2014. http://oatao.univ-toulouse.fr/12286/1/alligier.pdf.
Full textPham, Duc-Thinh. "Prédiction de trajectoire et avis de résolution de conflits de trafic aérien basée sur l’apprentissage automatique." Thesis, Paris Sciences et Lettres (ComUE), 2019. http://www.theses.fr/2019PSLEP027.
Full textThe increasing in traffic demand has strained air traffic control system and controllers which lead to the need of novel and efficient conflict detection and resolution advisory. In the scope of this thesis, we concentrate on studying challenges in conflict detection and resolution by using machine learning approaches. We have attempted to learn and predict controller behaviors from data using Random Forest. We also propose a novel approach for probabilistic conflict detection by using Heteroscedastic Gaussian Process as predictive models and Bayesian Optimization for probabilistic conflict detection algorithm. Finally, we propose an artificial intelligent agent that is capable of resolving conflicts, in the presence of traffic and uncertainty. The conflict resolution task is formulated as a decision-making problem in large and complex action space, which is applicable for employing reinforcement learning algorithm. Our work includes the development of a learning environment, scenario state representation, reward function, and learning algorithm. Machine learning methods have showed their advantages and potential in conflict detection and resolution related challenges. However, more studies would be conducted to improve their performances such as airspace network representation, multi-agent reinforcement learning or controller's strategy reconstruction from data
Monot, Nolwenn. "Des systèmes d'aide à la conduite au véhicule autonome connecté." Thesis, Bordeaux, 2019. http://www.theses.fr/2019BORD0109/document.
Full textThis thesis is about the design of driving assistance systems for level 3 urban automated driving. Because of a more complex of the environment and a larger set of possible trajectories, the algorithms of highway automated driving are not adapted to urban environment. This thesis objective is to provide methods and algorithms to enable the vehicle to perform automated driving in urban scenarios, focusing on the vehicle lateral guidance and on the path planning. The proposed solutions operate in real-time on board of the automated vehicle prototypes. The contribution of this thesis is as theoretical as practical.After a synthesis of the driving assistance systems available on current cars and a presentation of the prototypes used for the validation of the algorithms developed in the thesis, a complete analysis of the vehicle lateral dynamics is carried out in time and frequency domains. This analysis enables the design of observers of the lateral dynamics in order not only to estimate signals required for the lateral guidance functions but also to increase reliability of available measurements. Based on the conclusions from the analysis of lateral dynamic, a multi-controller solution has been proposed. It enables the computation of a steering wheel input to follow a trajectory at any longitudinal speed. The solution is validated in simulation and on real road traffic for lane change scenarios. Another contribution consist in an analysis on the other vehicles of the environment is conducted in order to identify their behaviors and which maneuver there are performing. This analysis is essential for the path planning function developed in the thesis. This method, based on the A* algorithm and extended to respect geometric and dynamic constraints, firstly focuses on static environment such as a parking lot. Waypoints are added to the method in order to compute trajectories compatible with traffic regulation and improve the computation time. The method is then adapted for dynamic environment where, in the end, the vehicle is able to perform overtaking manoeuvers in a complex environment
Brault, Patrice. "Estimation de mouvement et segmentation d'image." Paris 11, 2005. https://tel.archives-ouvertes.fr/tel-00011310.
Full textThe first part of this thesis presents a new vision of the motion estimation (ME) in video sequences. We investigate motion estimation with redundant wavelet families tuned to different kind of transformations and, in particular, to speed. Today video compression standards are supposed to realize the compression in an object-based approach, but still compute raw motion vectors on “blocks”. We thus implemented these wavelet families because 1) they are built to perform motion parameter quantization on several kinds of motions (rotation, speed, acceleration) and 2) based on the motion parameters, we can propose an approach of the ME through the identification of the objects trajectories. The global approach is then closer to a contextual compression, based on the understanding of the scene. The second part introduces two new developments on unsupervised segmentation in a Bayesian approach. 1) we reduce the computation time of a sequence through an iterative implementation of the segmentation. We show an application with the ME of a segmented region. 2) We reduce the segmentation time by making the projection of the image in the wavelet domain. These two developments are based on a Potts-Markov modelling (PMRF) for the labels of the pixels and of the wavelet coefficients. They use a Markov Chain Monte Carlo iterative algorithm with a Gibbs sampler. We also develop a Potts model in the wavelet domain to tune it to the specific orientations of the wavelet subbands
Houenou, Adam. "Calcul de trajectoires pour la préconisation de manoeuvres automobiles sur la base d'une perception multi-capteur : application à l'évitement de collision." Phd thesis, Université de Technologie de Compiègne, 2013. http://tel.archives-ouvertes.fr/tel-00977389.
Full textMessaoud, Kaouther. "Deep learning based trajectory prediction for autonomous vehicles." Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS048.
Full textThe trajectory prediction of neighboring agents of an autonomous vehicle is essential for autonomous driving in order to perform trajectory planning in an efficient manner. In this thesis, we tackle the problem of predicting the trajectory of a target vehicle in two different environments; a highway and an urban area (intersection, roundabout, etc.). To this end, we develop solutions based on deep machine learning by phasing the interactions between the target vehicle and the static and dynamic elements of the scene. In addition, in order to take into account the uncertainty of the future, we generate multiple plausible trajectories and the probability of occurrence of each. We also make sure that the predicted trajectories are realistic and conform to the structure of the scene. The solutions developed are evaluated using real driving datasets
Ballesteros, tolosana Iris. "Commande Prédictive pour le Véhicule Autonome." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLC007/document.
Full textThe thesis work contained in this manuscript is dedicated to the Advanced Driving Assistance Systems, which has become nowadays a strategic research line in many car companies. This kind of systems can be seen as a first generation of assisted or semi-autonomous driving, that will set the way to fully automated vehicles. The first part focuses on the analysis and control of lateral dynamics control applications - Autosteer by target tracking and the Lane Centering Assistance System (LCA). In this framework, safety plays a key role, bringing into focus the application of different constrained control techniques for linear parametervarying (LPV) models. Model Predictive Control (MPC) and Interpolation Based Control (IBC) have been the selected ones in the present work. In addition, it is a critical feature to design robust control systems that ensure a correct behavior under system's variation of parameters or in the presence of uncertainty. Robust Positive Invariance (RPI) theory tools are considered to design robust LPV control strategies with respect to large vehicle speed variations and curvature of the road changes. The second axis of this thesis is the optimization-based trajectory planning for overtaking and lane change in highways with anti-collision enhancements. To achieve this goal, an exhaustive description of the possible scenarios that may arise is presented, allowing to formulate an optimization problem which maximizes passenger comfort and ensures system constraints' satisfaction
Bimou, Charlotte. "Analyse de trajectoires, perte d'autonomie et facteurs prédictifs : Modélisation de trajectoires." Thesis, Limoges, 2019. http://www.theses.fr/2019LIMO0030/document.
Full textThe increase in life expectancy of baby boom generations in developed countries would often be accompanied by functional limitations, disability, increasingly observed in the geriatric population. The general objective of this thesis was to contribute to the knowledge of the evolution of the functional independence of older people in a heterogeneous population. First, it was to identify homogeneous groups in a heterogeneous population of elderly people following the same functional independence trajectory over a two-year period, and potential predictive factors. Second, it was to analyze the clinical consequences of trajectories and patient survival over the same observation period. The SMAF (Système de Mesure de l'Autonomie Fonctionnelle) and ADL (Activities of Daily Living) scales were used as indicators for measuring independence. Analysis were performed from a sample of 221 patients of UPSAV (Unit for Prevention, Monitoring and Analysis of Aging) cohort. We used three methods including trajectory analysis including GBTM (Group-Based Trajectory Modeling), k-means and ascending hierarchical classification. The results suggest three distinct trajectories of functional independence: stable, stable then decline, continuously decline. The predictors of trajectories obtained using logistic regression are socio-demographic, medical and biological criteria. Patients assigned to the loss of independence trajectory (continuously altered trajectory) reported high proportions of injurious falls. Based on a Cox model, neurocognitive disorders, heart failure, involuntary weight loss and alcohol were revealed as predictors of death. We conclude from this work that the two-year longitudinal analysis identified homogeneous subgroups of elderly people in terms of changes in functional independence. The prevention of UPSAV becomes a useful even if the utility level is not the same. Prevention and screening of the loss of independence of the elderly person followed at home must be anticipated in order to delay the deterioration and to maintaining the autonomy. Future analyses should focus on exploring large cohorts of older people to confirm and generalize our research
Lafaye, Jory. "Commande des mouvements et de l'équilibre d'un robot humanoïde à roues omnidirectionnelles." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT052/document.
Full textThe problem of this thesis concerns the control of the movements and the equilibrium of humanoid robots that have a mobile base with omnidirectionnal wheels. The developed methods aim to reach high dynamical performances for this type of robot, while ensuring it stability and equilibrium. Humanoid robots have generally a center of mass relatively high compared to its contact surface with the ground. Therefore, the slightest acceleration of the robot bodies induces a large variation of the distribution of the contact forces with the ground. If they are not properly controlled, the robot can fall. Moreover, the robot having a mobile base with wheels, a disturbance can easily bring it to tilt on two wheels. Finally, a specific interest have been provided about the realisation of a real time controler implemented on the embedded system of the robot. This implies some constraints about the computationnal time of the control law. In order to answer these problems, two linear models of the robot have been developed. The first allows to modelize the dynamics of the robot when it has all of its wheels in contact with the ground. The second allows to modelize the dynamics of the robot when it tilts on two of its wheels. These models have been developed by taking into account the mass distribution of the robot. These models have been subsequently used in two predictive control laws, allowing to take into account at every instant the dynamical constraints as weel as the future behavior of the robot. The first allows to control the movements of the robot when it has all of its wheels in contact with the ground, preventing it for tilting. The second allows the robot to recover itself in a situation when a disturbance bring it to tilt, in order to bring back all of its wheels in contact with the ground. Also, a supervisor that has a state machine has been made in order to define which control law has to be executed at each instant. This supervisor uses the available sensors on the robot in order to observe its tilt state. Finally, in order to validate experimentally the results of the developments of this thesis, a series of experiments has been presented, demonstrating some aspects of the control law. In particular, some tests have been made concerning the tracking of non physically feasible trajectories, the reject of disturbances applied on the mobile base, the stabilisation of the robot during its tilt, and the compensation of the variations of the ground inclination
Herdt, Andrei. "Commande prédictive d'un robot humanoïde." Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-01038025.
Full textBook chapters on the topic "Prédiction trajectoire"
ATTO, Abdourrahmane M., Aluísio PINHEIRO, Guillaume GINOLHAC, and Pedro MORETTIN. "Analyse d’ordre fractionnaire et prédiction de trajectoire de cyclones." In Détection de changements et analyse des séries temporelles d’images 1, 159–82. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9056.ch6.
Full textReports on the topic "Prédiction trajectoire"
Belzil, Christian, Jorgen Hansen, and Julie Pernaudet. Les déterminants cognitifs et non-cognitifs du choix de filière et leur impact sur la phase initiale du cycle professionnel. CIRANO, May 2024. http://dx.doi.org/10.54932/zmct9599.
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