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Academic literature on the topic 'Angle de dérive'
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Journal articles on the topic "Angle de dérive"
Montès, Jérôme. "Mouvements anti-mondialisation : la crise de la démocratie représentative." Études internationales 32, no. 4 (April 12, 2005): 773–82. http://dx.doi.org/10.7202/704348ar.
Full textSaillot, I. "Grand angle : le concept de dissociation de Janet à aujourd’hui, dérive et écueil." European Journal of Trauma & Dissociation 1, no. 4 (December 2017): 211–16. http://dx.doi.org/10.1016/j.ejtd.2017.06.002.
Full textKhoder, Wassim. "Recalage de la navigation inertielle hybride par le filtrage de Kalman sans parfum paramétré à quaternions." MATEC Web of Conferences 261 (2019): 06003. http://dx.doi.org/10.1051/matecconf/201926106003.
Full textHoutekier, Catherine. "Cartographie cognitive et milieux documentaires : rencontre et convergence de principes et d’outils." Documentation et bibliothèques 56, no. 3 (March 11, 2015): 121–30. http://dx.doi.org/10.7202/1029123ar.
Full textPotvin, Maryse. "Les dérapages racistes à l’égard du Québec au Canada anglais depuis 1995." Hors thème 18, no. 2 (November 21, 2008): 101–32. http://dx.doi.org/10.7202/040175ar.
Full textPotvin, Maryse. "Les dérapages racistes à l’égard du Québec au Canada anglais depuis 1995." La politique canadienne et québécoise 36 (May 10, 2017): 43–71. http://dx.doi.org/10.7202/1039822ar.
Full textPasquier, Anne. "Nag Hammadi : repenser les notions et catégories usuelles." Tangence, no. 74 (September 30, 2004): 9–23. http://dx.doi.org/10.7202/009203ar.
Full textLejoyeux, M., and J. Ades. "Le syndrome de sevrage des antidépresseurs." Psychiatry and Psychobiology 4, no. 6 (1989): 335–45. http://dx.doi.org/10.1017/s0767399x00001395.
Full textEmanuelli, Claude. "L’application des traités internationaux et des règles dérivées dans les pays de droit civil et de common law." Revue générale de droit 37, no. 2 (October 23, 2014): 269–99. http://dx.doi.org/10.7202/1027084ar.
Full textNap-yin, Lau. "Droit et famille en Chine à l’époque des Song (960-1279)." Annales. Histoire, Sciences Sociales 61, no. 6 (December 2006): 1377–442. http://dx.doi.org/10.1017/s0395264900030080.
Full textDissertations / Theses on the topic "Angle de dérive"
Baffet, Guillaume. "Développement et validation expérimentale d’observateurs des forces du contact pneumatique/chaussée d’une automobile." Compiègne, 2007. http://www.theses.fr/2007COMP1695.
Full textEstimation of vehicle-dynamic variables is essential for safety enhancement, in particular for braking and trajectory-control systems. The aim of this thesis is to develop state observers for the estimation of variables linked to tire-road friction. Different estimation methods are proposed in order to reconstruct tire-road forces and vehicle sideslip angle. The estimation algorithms are constructed so as to be functional in critical driving situations, notably for weak lateral accelerations and road friction changes. In addition to estimation methods, this thesis presents a substantial number of observer evaluations, performed in simulations and in experiments. The estimation process was integrated in an experimental vehicle, and was tested in real time, particularly in relation to wheel force measurements
Doumiati, Moustapha. "Estimation embarquée des efforts verticaux et latéraux d'un véhicule pour le diagnostic du comportement sur route." Compiègne, 2009. http://www.theses.fr/2009COMP1823.
Full textVehicle dynamics and stability have been of considerable interest to automotive engineers, automobile manufacturers, government, public safety groups, and general public for a number of years. The obvious dilemma is that people naturally desire to drive faster and faster on the roads and highways, yet they expect their vehicles to be ”infinitely” stable and safe during all normal and emergency maneuvers. For the most part, people pay little attention to the limited handling potential of their vehicles until some unusual behavior is observed that often results in fatality. Preventing these accidents requires to know what determines vehicle dynamics during motion. Over the past few decades, vehicle control systems have been developed to enhance vehicle handling and passengers safety. These systems seek to prevent unintended vehicle behavior through active vehicle control, assisting drivers in maintaining control of their vehicles. Unfortunately, these systems are limited by the lack of knowledge of the vehicle’s state and operating conditions. While some vehicle’s states such as yaw rate, wheel speeds, longitudinal and lateral accelerations are currently available from existing ESP system, other fundamental parameters are unmeasurable for both technical and economical reasons. For example, although the vehicle is governed by the forces generated between the tires and the road, knowledge of individual tire/road forces is largely unavailable for current safety systems. Besides, the vehicle’s sideslip angle, which relates its lateral velocity to its longitudinal velocity, is an important stability factor that is also missed for vehicle control systems. If onboard systems had accurate knowledge of body sideslip angle and individual tire forces in each direction (vertical, lateral and longitudinal), control systems could offer stability with the most information maximizing the vehicle’s handling capability in a given maneuver. In this thesis, the reconstruction of indivual tire forces in the vertical and lateral directions, and the evaluation of the vehicle body sideslip angle are covered. This dissertation presents several model-based estimation methods which involve information from currently potential-integrable sensors. First, the lateral load transfer is estimated using a roll model, then vertical forces on each tire are evaluated. Additionally, lateral forces in individual tire and vehicle body sideslip angle are estimated, taking into account the effects of load transfer on the lateral dynamics of the vehicle. The overall approach and the theoretical results are confirmed by implementation on an experimental vehicle while driven on real conditions
Alatorre, Vazquez Angel Gabriel. "Robust estimation of dynamics behavior and driving diagnosis applied to an intelligent MAGV." Thesis, Compiègne, 2020. http://www.theses.fr/2020COMP2554.
Full textThe context of this thesis is the improvement of road safety through the development of active safety systems. One challenge in the development of active safety systems is obtaining accurate information about unmeasurable vehicle dynamic states. Specifically, the necessity to estimate the vertical load, frictional forces at each wheel (longitudinal and lateral), and also the sideslip angle at the center of gravity. These states are the critical parameters for optimizing the control of a vehicle’s stability. If the vertical load on each tire can be estimated, then the risk of rollover can be evaluated. Estimating tire lateral forces can help to reduce lateral slip and prevent dangerous situations like spinning and drifting out the road. Tire longitudinal forces influence the performance of a vehicle. Sideslip angle is one of the essential parameters for controlling the lateral dynamics of a vehicle. However, the different technologies that the market offers, are not based on tire-ground forces due to the lack of cost-effective methods for obtaining the required information. For the above mentioned reasons, we want to develop a system that monitors these dynamic vehicle states using only low-cost sensors. To accomplish our endeavor, we propose developing novel observers to estimate unmeasured states. Constructing an observer that met the reliability, robustness and accuracy requirements is not an easy task. It requires one the one hand, accurate and efficient models, and on the other hand, robust estimation algorithms that take into account variations in parameters and measurement errors. The present thesis has consequently been structured around the following two aspects: modeling of vehicle dynamics, and design of observers. Under the heading of modeling, we propose new models to describe vehicle dynamics. Current models simplify the vehicle motion as a planar motion. In our proposal, our models describe vehicle motion as a 3D motion, including the effects of road inclination. Regarding vertical dynamics, we propose incorporating the suspension deflection to calculate the transfer of vertical load. Regarding lateral dynamics, we propose a model for the lateral forces transfer to describe the interaction between the left wheel and the right wheel. With this relationship, the lateral force on each tire is computed without using the sideslip angle. Similarly, for longitudinal dynamics, we also propose a model for the transfer of longitudinal forces to calculate the longitudinal force at each tire. Under the heading of observer design, we propose a novel observation system consisting of four individual observers connected in cascade. The four observers are developed for estimating vertical tire force, lateral tire force, longitudinal tire force, and sideslip angle, respectively. For the linear system, the Kalman filter is employed, while for the nonlinear system, the EKF applied to reduce estimation errors. Finally, we implement our algorithm in an experimental vehicle to perform estimation in real-time, and we validate our proposed algorithm using experimental data
Huber, Didier. "Dérivés d'imidazoline contenant une chaine oxypropanolamine : synthèses, propriétés pharmacologiques et utilisation dans le traitement du glaucome à angle ouvert." Strasbourg 1, 1988. http://www.theses.fr/1988STR13053.
Full textSun, Ruoci. "Comportement en grand temps et intégrabilité de certaines équations dispersives sur l'espace de Hardy Long time behavior of the NLS-Szegö equation Traveling waves of the quintic focusing NLS-Szegö equation Complete integrability of the Benjamin-Ono equation on the multi-soliton manifolds." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASS111.
Full textWe are interested in three non linear dispersive Hamiltonian equations: the defocusing cubic Schrödinger equation filtered by the Szegö projector on the torus that cancels every negative Fourier modes, leading to the cubic NLS--Szegö equation on the torus; the focusing quintic Schrödinger equation, which is filtered by the Szegö projector on the line, leading to the quintic NLS--Szegö equation on the line and the Benjamin--Ono (BO) equation on the line. Similarly to the other two models, the BO equation on the line can be written as a quadratic Schrödinger-type equation that is filtered by the Szegö projector on the line. These three models allow us to study their qualitative properties of some traveling waves, the phenomenon of the growth of Sobolev norms, the phenomenon of non linear scattering and some properties about the complete integrability of Hamiltonian dynamical systems. The goal of this thesis is to investigate the influence of the Szegö projector on some one-dimensional Schrödinger-type equations and to adapt the tools of the Hardy space on the torus and on the line. We also use the Birkhoff normal form transform, the concentration--compactness argument, refined as the profile decomposition theorem, and the inverse spectral transform in order to solve these problems. In the third model, the integrability theory allows to establish the connection with some algebraic and geometric aspects
Pocovnicu, Oana. "Etude d'une équation non linéaire, non dispersive et complètement integrable et de ses perturbations." Phd thesis, Université Paris Sud - Paris XI, 2011. http://tel.archives-ouvertes.fr/tel-00834518.
Full textHorsin, Romain. "Comportement en temps long d'équations de type Vlasov : études mathématiques et numériques." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S062/document.
Full textThis thesis concerns the long time behavior of certain Vlasov equations, mainly the Vlasov- HMF model. We are in particular interested in the celebrated phenomenon of Landau damp- ing, proved mathematically in various frameworks, foar several Vlasov equations, such as the Vlasov-Poisson equation or the Vlasov-HMF model, and exhibiting certain analogies with the inviscid damping phenomenon for the 2D Euler equation. The results described in the document are the following.The first one is a Landau damping theorem for numerical solutions of the Vlasov-HMF model, constructed by means of time-discretizations by splitting methods. We prove more- over the convergence of the schemes. The second result is a Landau damping theorem for solutions of the Vlasov-HMF model linearized around inhomogeneous stationary states. We provide moreover a quite large amount of numerical simulations, which are designed to study numerically the nonlinear case, and which seem to show new phenomenons. The last result is the convergence of a scheme that discretizes in time the 2D Euler equation by means of a symplectic Crouch-Grossmann integrator
Hamie, Houssam. "Morphology and Thermal Behavior of Single Crystals of Polystyrene-Poly(ethylene oxide) Block Copolymers." Phd thesis, Université de Haute Alsace - Mulhouse, 2010. http://tel.archives-ouvertes.fr/tel-00560051.
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