Literatura académica sobre el tema "Stabilité en temps fixe"
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Artículos de revistas sobre el tema "Stabilité en temps fixe"
Di Donna, Edouard, Yaelle Grange, Fanny De Raemy, Loïc Mahé Keller y Alexandre Perez. "Préservation alvéolaire post-extraction à l’aide d’allogreffe (Maxgraft®) et réhabilitation prothétique fixe totale sur implants". SWISS DENTAL JOURNAL SSO – Science and Clinical Topics 132, n.º 4 (4 de abril de 2022): 249–57. http://dx.doi.org/10.61872/sdj-2022-04-02.
Texto completoBourgeois-Pichat, Jean. "Théorie des populations semi-stables et application". Population Vol. 45, n.º 4 (1 de abril de 1990): 821–47. http://dx.doi.org/10.3917/popu.p1990.45n4-5.0847.
Texto completoSema, Alaki-Issi Massimapatom, Edem K. Koledzi, Nitale M’Balikine Krou y Maglwa Tcha-Thom. "Etude comparée de la ventilation naturelle et automatique à l’aide de tuyaux perforés et du procédé classique de retournements des andains en compostage". International Journal of Biological and Chemical Sciences 15, n.º 1 (21 de abril de 2021): 354–66. http://dx.doi.org/10.4314/ijbcs.v15i1.30.
Texto completoDesmeules, Marie-Hélène. "Les refigurations de notre expérience du temps". Articles 41, n.º 2 (6 de noviembre de 2014): 275–93. http://dx.doi.org/10.7202/1027219ar.
Texto completoAbdel El-Rawas, Nisrine. "Espaces narratifs: l’expression du temps dans l’image fixe". Hawliyat 14 (20 de octubre de 2018): 141–64. http://dx.doi.org/10.31377/haw.v14i0.141.
Texto completoVenco, Selma. "Tristes trópicos: a cultura empresarial aplicada à educação pública". Educação e Filosofia 37, n.º 79 (31 de julio de 2023): 39–68. http://dx.doi.org/10.14393/revedfil.v37n79a2023-65554.
Texto completoKessedjian, Catherine. "Le temps du droit au XXIe siècle – Compatibilité avec la codification ?" Les Cahiers de droit 46, n.º 1-2 (12 de abril de 2005): 547–60. http://dx.doi.org/10.7202/043853ar.
Texto completoTortajada, Maria. "L’instantané cinématographique : relire Étienne-Jules Marey". Hors dossier 21, n.º 1 (15 de agosto de 2011): 131–52. http://dx.doi.org/10.7202/1005633ar.
Texto completoArena, Richard y Claude Froeschle. "Formes de progrès technique, séquences d’équilibres temporaires et stabilité économique". Économie appliquée 39, n.º 3 (1986): 415–47. http://dx.doi.org/10.3406/ecoap.1986.4080.
Texto completoVALAT, D., M. ABGRALL y P. UHRICH. "Exactitude et stabilité du Temps atomique français TA(F)". Revue Française de Métrologie, n.º 23 (31 de mayo de 2011): 3–10. http://dx.doi.org/10.1051/rfm/2010003.
Texto completoTesis sobre el tema "Stabilité en temps fixe"
Lopez, Ramirez Francisco. "Control and estimation in finite-time and in fixed-time via implicit Lyapunov functions". Thesis, Lille 1, 2018. http://www.theses.fr/2018LIL1I063/document.
Texto completoThis work presents new results on analysis and synthesis of finite-time and fixed-time stable systems, a type of dynamical systems where exact convergence to an equilibrium point is guaranteed in a finite amount of time. In the case of fixed-time stable system, this is moreover achieved with an upper bound on the settling-time that does not depend on the system’s initial condition.Chapters 2 and 3 focus on theoretical contributions; the former presents necessary and sufficient conditions for fixed-time stability of continuous autonomous systems whereas the latter introduces a framework that gathers ISS Lyapunov functions, finite-time and fixed-time stability analysis and the implicit Lyapunov function approach in order to study and determine the robustness of this type of systems.Chapters 4 and 5 deal with more practical aspects, more precisely, the synthesis of finite-time and fixed-time controllers and observers. In Chapter 4, finite-time and fixed-time convergent observers are designed for linear MIMO systems using the implicit approach. In Chapter 5, homogeneity properties and the implicit approach are used to design a fixed-time output controller for the chain of integrators. The results obtained were verified by numerical simulations and Chapter 4 includes performance tests on a rotary pendulum
Saidi, Karima. "Stabilisation d’une classe d’EDP non linéaire. Application à l’équation de Vlasov-Poisson". Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0225.
Texto completoThe work presented in this thesis concerns the stabilization of a class of nonlinear partialdifferential equations. It is a discretized model of the Vlasov-Poisson equation describing the spatial and temporal evolution, in a plasma, of a distribution function of charged particles. In a first step, we addressed the stabilization of the dynamical systems in fixed time (i.e. stabilization in finite time with a uniformly bounded). Criteria relaxing existing results in the literature have been established. Indeed, we have shown that, for a dynamical system, the combination of slow stability (in the polynomial sense) and fast stability (in the finite time sense) leads to a stability in fixed time. Various applications on the discretized Vlasov-Poisson system also concern the double integrator system with observer and the bilinear systems in infinite dimension where for each of these systems, the stabilizing feedback and/or observers in fixed time are constructed and numerically tested. In a second step, we are interested in the small time stabilization of time varying dynamical systems. In fact, the notion of small time is commonly used in theory of controllability. For stabilization, this small time is located between finite time and the fixed time. We have developed theoretical results based on the energy method guaranteeing the disappearance of the solution in small time. This is obtainedby means of a time excitation of a positive function not integrable in the sense of Lebesgue. Then, we have applied our results on model examples such as the transport equation with boundary control, the wave equation subject to a boundary control of the Wentzell type. Also, for finite and infinite dimensional bilinear systems which are, in addition, typical discretized Vlasov-Poisson models. For each system, we have elaborated its feedback whose construction is based on the integration of temporal and uniform excitations
Chu, Xing. "Commande distribuée, en poursuite, d'un système multi-robots non holonomes en formation". Thesis, Ecole centrale de Lille, 2017. http://www.theses.fr/2017ECLI0035/document.
Texto completoThe main aim of this thesis is to study the distributed tracking control problem for the multi-robot formation systems with nonholonomic constraint, of which the control objective it to drive a team of unicycle-type mobile robots to form one desired formation configuration with its centroid moving along with another dynamic reference trajectory, which can be specified by the virtual leader or human. We consider several problems in this point, ranging from finite-time stability andfixed-time stability, event-triggered communication and control mechanism, kinematics and dynamics, continuous-time systems and hybrid systems. The tracking control problem has been solved in this thesis via developing diverse practical distributed controller with the consideration of faster convergence rate, higher control accuracy, stronger robustness, explicit and independent convergence time estimate, less communication cost and energy consumption.In the first part of the thesis, we first study the finite-time stability for the multi-robot formation systems in Chapter 2. To improve the pior results, a novel class of finite-time controller is further proposed in Chapter 3, which is also called fixed-time controller. The dynamics of nonholonomic multi-robot formation systems is considered in Chapter 4. In the second part, we first investigate the event-triggered communication and control mechanism on the nonholonomic multi-robot formation tracking systems in Chapter 5. Moreover, in order to develop a digital implement scheme, we propose another class of periodic event-triggered controller based on fixed-time observer in Chapter 6
Anggraeni, Pipit. "Consensus décentralisé de type meneur/suiveur pour une flotte de robots coopératifs soumis à des contraintes temporelles". Thesis, Valenciennes, 2019. http://www.theses.fr/2019VALE0012/document.
Texto completoNowadays, robots have become increasingly important to investigate hazardous and dangerous environments. A group of collaborating robots can often deal with tasks that are difficult, or even impossible, to be accomplished by a single robot. Multiple robots working in a cooperative manner is called as a Multi-Agent System (MAS). The interaction between agents to achieve a global task is a key in cooperative control. Cooperative control of MASs poses significant theoretical and practical challenges. One of the fundamental topics in cooperative control is the consensus where the objective is to design control protocols between agents to achieve a state agreement. This thesis improves the navigation scheme for MASs, while taking into account some practical constraints (robot model and temporal constraints) in the design of cooperative controllers for each agent, in a fully decentralized way. In this thesis, two directions are investigated. On one hand, the convergence rate is an important performance specification to design the controller for a dynamical system. As an important performance measure for the coordination control of MASs, fast convergence is always pursued to achieve better performance and robustness. Most of the existing consensus algorithms focus on asymptotic convergence, where the settling time is infinite. However, many applications require a high speed convergence generally characterized by a finite-time control strategy. Moreover, finite-time control allows some advantageous properties but the settling time depend on the initial states of agents. The objective here is to design a fixed-time leader-follower consensus protocol for MASs described in continuous-time. This problem is studied using the powerful theory of fixed-time stabilization, which guarantee that the settling time is upper bounded regardless to the initial conditions. Sliding mode controllers and sliding mode observers are designed for each agent to solve the fixed-time consensus tracking problem when the leader is dynamic. On the other hand, compared with continuous-time systems, consensus problem in a discrete-time framework is more suitable for practical applications due to the limitation of computational resources for each agent. Model Predictive Control (MPC) has the ability to handle control and state constraints for discrete-time systems. In this thesis, this method is applied to deal with the consensus problem in discrete-time by letting each agent to solve, at each step, a constrained optimal control problem involving only the state of neighboring agents. The tracking performances are also improved in this thesis by adding new terms in the classical MPC technique. The proposed controllers will be simulated and implemented on a team of multiple Mini-Lab Enova Robots using ROS (Robotic Operating System) which is an operating system for mobile robots. ROS provides not only standard operating system services but also high-level functionalities. In this thesis, some solutions corresponding to problem of connection between multiple mobile robots in a decentralized way for a wireless robotic network, of tuning of the sampling periods and control parameters are also discussed
Harb, Ali. "Faisabilité. Méthodes non standard pour la stabilité des réseaux de files d'attente. GI/GI/q + G". Rouen, 1998. http://www.theses.fr/1998ROUES075.
Texto completoBui, Van Bien. "La stabilité du filtre non-linéaire en temps continu". Thesis, Nice, 2016. http://www.theses.fr/2016NICE4002/document.
Texto completoThe filtering problem consists of estimating the state of a dynamic, called signal which is often a Markov process, from the noisy observation of the past states. In this thesis, we consider a filtering model in continuous time for the diffusion process. The aim is to study the stability of the optimal filter with respect to its initial condition beyond the mixing (or quasi – mixing) hypothesis for the transition kernel
Bhiri, Bassem. "Stabilité et stabilisation en temps fini des systèmes dynamiques". Thesis, Université de Lorraine, 2017. http://www.theses.fr/2017LORR0100/document.
Texto completoThis dissertation deals with the finite time stability and the finite time stabilization of dynamic systems. Indeed, it is often important to ensure that during the transient regime, the state trajectories do not exceed certain predefined limits in order to avoid saturations and excitations of the nonlinearities of the system. Hence the interest is to study the stability of the dynamic system in finite time. A dynamic system is said to be stable in finite time (FTS) if, for any initial state belonging to a predetermined bounded set, the state trajectory remains within another predetermined bounded set for a finite and fixed time. When the system is disturbed, it is called finite time boundedness (FTB). In this manuscript, the goal is to improve the results of finite time stability used in the literature. First, new sufficient conditions expressed in terms of LMIs for the synthesis of an FTB controller by dynamic output feedback have been developed via an original descriptor approach. An original method has been proposed which consists in using a particular congruence transformation. Second, new LMI conditions for the study of finite time stability and finite time stabilization have been proposed for disturbed and undisturbed nonlinear quadratic systems. Third, to obtain even less conservative conditions, new developments have been proposed using polynomial Lyapunov functions
Bhiri, Bassem. "Stabilité et stabilisation en temps fini des systèmes dynamiques". Electronic Thesis or Diss., Université de Lorraine, 2017. http://www.theses.fr/2017LORR0100.
Texto completoThis dissertation deals with the finite time stability and the finite time stabilization of dynamic systems. Indeed, it is often important to ensure that during the transient regime, the state trajectories do not exceed certain predefined limits in order to avoid saturations and excitations of the nonlinearities of the system. Hence the interest is to study the stability of the dynamic system in finite time. A dynamic system is said to be stable in finite time (FTS) if, for any initial state belonging to a predetermined bounded set, the state trajectory remains within another predetermined bounded set for a finite and fixed time. When the system is disturbed, it is called finite time boundedness (FTB). In this manuscript, the goal is to improve the results of finite time stability used in the literature. First, new sufficient conditions expressed in terms of LMIs for the synthesis of an FTB controller by dynamic output feedback have been developed via an original descriptor approach. An original method has been proposed which consists in using a particular congruence transformation. Second, new LMI conditions for the study of finite time stability and finite time stabilization have been proposed for disturbed and undisturbed nonlinear quadratic systems. Third, to obtain even less conservative conditions, new developments have been proposed using polynomial Lyapunov functions
Landry, Mario. "Commande de vol non-linéaire en temps réel d’un drone à voilure fixe". Mémoire, École de technologie supérieure, 2012. http://espace.etsmtl.ca/1010/1/LANDRY_Mario.pdf.
Texto completoAmini, Hadis. "Stabilisation des systèmes quantiques à temps discrets et stabilité des filtres quantiques à temps continus". Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2012. http://pastel.archives-ouvertes.fr/pastel-00803170.
Texto completoLibros sobre el tema "Stabilité en temps fixe"
1951-, Ribière Mireille, ed. Time, narrative and the fixed image: Temps, narration & image fixe. Amsterdam: Rodopi, 2001.
Buscar texto completoAssemblée de l'Atlantique nord. Commission de la défense et de la sécurité. Rapport général sur la sécurité de l'Alliance: Vers la stabilité conventionnelle en Europe : la stratégie maritime des États-Unis et la stabilité en temps de crise dans le domaine maritime. S.l: s.n, 1988.
Buscar texto completoCapítulos de libros sobre el tema "Stabilité en temps fixe"
Leuridan, Christophe. "Le théorème de ray-knight à temps fixe". En Séminaire de Probabilités XXXII, 376–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/bfb0101769.
Texto completo"Énonciation narrative : image fixe et image animée". En Time, Narrative & the Fixed Image / Temps, narration & image fixe, 145–53. BRILL, 2001. http://dx.doi.org/10.1163/9789004485686_011.
Texto completoMukařovský, Jan. "La valeur esthétique dans l’art peut-elle être universelle?" En Jan Mukarovsky. Ecrits 1928-1946, 273–82. Editions des archives contemporaines, 2018. http://dx.doi.org/10.17184/eac.1435.
Texto completoMOROZOV, Evsey y Bart STEYAERT. "Une méthode d’analyse de stabilité des systèmes de files d’attente régénératifs". En Théorie des files d’attente 2, 253–84. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9004.ch7.
Texto completo"Trois métalepses". En Time, Narrative & the Fixed Image / Temps, narration & image fixe, 171–78. BRILL, 2001. http://dx.doi.org/10.1163/9789004485686_013.
Texto completo"Identity and narration in Chris Marker’s La Jetée, and the appearance of the Internet as a symptom of Cold War anxiety". En Time, Narrative & the Fixed Image / Temps, narration & image fixe, 179–84. BRILL, 2001. http://dx.doi.org/10.1163/9789004485686_014.
Texto completo"Le réseau et le lieu : pour une analyse des procédures de tressage iconique". En Time, Narrative & the Fixed Image / Temps, narration & image fixe, 117–29. BRILL, 2001. http://dx.doi.org/10.1163/9789004485686_009.
Texto completo"Maus. A Survivor’s Tale by Art Spiegelman: a second-hand narrative in comic-book form". En Time, Narrative & the Fixed Image / Temps, narration & image fixe, 131–43. BRILL, 2001. http://dx.doi.org/10.1163/9789004485686_010.
Texto completo"Retour sur Muybridge : Lévriers faisant des tours de Carole Baker". En Time, Narrative & the Fixed Image / Temps, narration & image fixe, 203–11. BRILL, 2001. http://dx.doi.org/10.1163/9789004485686_016.
Texto completo"Clement Greenberg on narrative in painting". En Time, Narrative & the Fixed Image / Temps, narration & image fixe, 91–104. BRILL, 2001. http://dx.doi.org/10.1163/9789004485686_007.
Texto completoActas de conferencias sobre el tema "Stabilité en temps fixe"
Khoury, G. "Stratégie chirurgicale dans la gestion des défauts osseux sévères maxillaires et mandibulaires". En 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206601006.
Texto completoMilliez, S. "Blocs allogéniques d’origine fémorale en apposition horizontale : indications, intérêts et apport de la modélisation 3D". En 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206601013.
Texto completoDegorce, T. "Le défaut osseux antérieur : un défi esthétique et chirurgical". En 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206601002.
Texto completoViennois, Gaelle, Christophe Proisy, Rinny Rahmania, Ariani Andayani, Berni Subki, Suhardjono, Jean-Baptiste Feret et al. "Temporal stability of mangrove multispectral signatures at fine scales: Stability of mangrove multispectral signatures". En 2015 8th International Workshop on the Analysis of Multitemporal Remote Sensing Images (Multi-Temp). IEEE, 2015. http://dx.doi.org/10.1109/multi-temp.2015.7245803.
Texto completoGellee, T. y B. Philippe. "Utilisation combinée des biomatériaux xénogéniques et d’os autologue en chirurgie reconstructrice préimplantaire : Réflexions à propos de quatre indications méconnues". En 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206602008.
Texto completoLan, R., R. Castro, L. Ammar, P. Roche-Poggi, P. Tavitian y O. Richard. "Pronostic des implants zygomatiques dans la réhabilitation du sujet partiellement ou totalement édenté maxillaire : étude rétrospective observationnelle". En 66ème Congrès de la SFCO. Les Ulis, France: EDP Sciences, 2020. http://dx.doi.org/10.1051/sfco/20206602007.
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