Literatura académica sobre el tema "Contrôle à mode glissant"
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Artículos de revistas sobre el tema "Contrôle à mode glissant"
Belhadj, Jamel, Anis Sallami y Wiem Ben Mabrouk. "Les observateurs à mode glissant pour le contrôle direct en couple d'une machine asynchrone. Intérêt et amélioration de la structure". Revue internationale de génie électrique 9, n.º 2-3 (30 de junio de 2006): 209–33. http://dx.doi.org/10.3166/rige.9.209-233.
Texto completoBenabderrahman, Hossam Eddine, Rachid Taleb, M'hamed Helaimi y Fayçal Chabni. "Commande par mode glissant d’ordre deux d’un moteur asynchrone lié à un convertisseur multi-niveau asymétrique". Journal of Renewable Energies 21, n.º 2 (30 de junio de 2018): 267–78. http://dx.doi.org/10.54966/jreen.v21i2.687.
Texto completoSilva, Rosimeri Carvalho da. "Les nouveaux mécanismes du contrôle organisationnel". Cadernos EBAPE.BR 1, n.º 2 (diciembre de 2003): 01–23. http://dx.doi.org/10.1590/s1679-39512003000200003.
Texto completoMével, E., I. Mercer, R. Zerne, A. L'Huillier, Ph Antoine y C. G. Wahlström. "Contrôle du mode spatial des harmoniques d'ordres élévés". Annales de Physique 22 (febrero de 1997): C1–73—C1–74. http://dx.doi.org/10.1051/anphys/1997012.
Texto completoRebejac, M., M. Duch y M. Fauchet. "Contrôle qualité des gamma-caméras en mode tomographique et mode corps entier". RBM-News 18, n.º 1 (enero de 1996): 44–47. http://dx.doi.org/10.1016/0222-0776(96)82202-4.
Texto completoBoyer, L. "Etude du mode de répartition du courant dans un contact électrique glissant multifilamentaire". Revue de Physique Appliquée 20, n.º 3 (1985): 183–90. http://dx.doi.org/10.1051/rphysap:01985002003018300.
Texto completoFrench, French. "Les Antilles françaises et la départementalisation : de la domination « silencieuse » post-coloniale à l’aseptisation identitaire chez Édouard Glissant et Patrick Chamoiseau". Voix Plurielles 17, n.º 2 (12 de diciembre de 2020): 139–50. http://dx.doi.org/10.26522/vp.v17i2.2606.
Texto completoHassaine, Linda, Issam Abadlia, Antar Beddar, Fateh Abdoune y Mohamed Rida Bengourina. "Contrôle Avancé des Onduleurs Photovoltaïques Connectés au Réseau". Journal of Renewable Energies 24, n.º 2 (31 de diciembre de 2021): 181–201. http://dx.doi.org/10.54966/jreen.v24i2.980.
Texto completoChagnon, Jean-Yves. "Les agressions sexuelles: un aménagement des troubles narcissiques-identitaires". Paidéia (Ribeirão Preto) 18, n.º 41 (diciembre de 2008): 495–515. http://dx.doi.org/10.1590/s0103-863x2008000300007.
Texto completoMonney, Matthieu. "Le jeu du contrôle ou le contrôle du jeu : le discours direct et la participation dans l’interaction orale". SHS Web of Conferences 78 (2020): 01022. http://dx.doi.org/10.1051/shsconf/20207801022.
Texto completoTesis sobre el tema "Contrôle à mode glissant"
Huber, Olivier. "Analyse et implémentation du contrôle par modes glissants en temps discret". Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAT042.
Texto completoSliding Mode Control is a control technique with a long history, with research efforts dating back to the 50's. The basic idea is to define the control input as a discontinuous function of the sliding variable, which solely depends on the state, and to constraint the system to evolve on a manifold, hence the term sliding. Over the years a strong theory was build around this technique, but only in continuous time. In our context, this means that control input value can change value at any time. The discrete-time case is when the control input can only change at isolated time instants and the dynamical system on which the control is still a continuous-time process. The control input is therefore a step function. This case appears when the controller is digitally implemented, for instance with the help of a microcontroller. This kind of setup is nowadays ubiquitous in benchmarks and industrial applications. One of the main limitation of the applicability of sliding mode control is the chattering phenomenon that is witnessed when this control technique is applied in practice, but already in simulations. In contrast to previous approaches, we single out the chattering that is already witnessed in simulation, even with no disturbance and with perfect knowledge of the dynamics. This is called the numerical chattering and one of its distinct feature is the constant chattering, or high-frequency bang-bang behavior, of the control input. This naturally induces a chattering of the sliding variable. The claim that this type of chattering is usually predominant and that it is due to a bad discretization of the signum multifunction. The approach developed in this work was inspired by the research effort in the nonsmooth mechanical to properly simulate some systems like those with dry friction and/or unilateral constraints. The main point is to discretize the signum in an implicit fashion, that is its argument is the value of the sliding variable at the end of the next sampling period. With this change, the numerical chattering can be removed in the simplest cases, largely attenuated. The research effort was focused on classical sliding mode controller, rather than the higher order ones. The frameworks used to perform the analysis are convex analysis and variational inequalities. This discrete-time controller enjoys several interesting theoretical properties. First it is finite-time Lyapunov stable: the sliding variable goes to 0 in finite-time. The discrete-time control input converges to the continuous-time one as the sampling period goes to 0. The control action also attenuates the effect of matched perturbations. Also the increase of the gain of the controller does not affect the performances when the system is sliding. The twisting controller can be discretized in the same way and is also finite-time Lyapunov stable. This good theoretical properties have been verified in simulations, but also on experimental setups. Two tests were conducted: the first one on an electropneumatic system, where both the classical first-order sliding mode controller and the twisting algorithm were tested. The objective was to track a reference trajectory. The second one was an inverted pendulum on a cart with only the classical SMC. The goal was to stabilize the system at the unstable equilibrium. The analysis from the data collected during those experiments shows that the proposed controllers perform better than the their explicitly discretized versions. The performances are better and the chattering is effectively reduced
Chovet, Camila. "Manipulation de la turbulence en utilisant le contrôle par mode glissant et le contrôle par apprentissage : de l'écoulement sur une marche descendante à une voiture réelle". Thesis, Valenciennes, 2018. http://www.theses.fr/2018VALE0016/document.
Texto completoThe present work aims to pre-evaluate flow control parameters to reduce the drag in a real vehicle. Two different actuation mechanisms (Murata’s micro-blower, and air-knives) are characterized and compared to define their advantages and limitations. Murata micro-blowers energized the boundary layer to directly perturb the vortex structures formed in the shear layer region. The air-knife has a rounded surface, adjacent to the slit exit, that could be considered as an active boat-tail (Coanda effect) for drag reduction. Different open-loop and closed-loop control strategies are examined, such as continuous blowing, periodic forcing, sliding mode control (SMC) and machine learning control (MLC). SMC is a robust closed-loop algorithm to track, reach and maintain a predefined set-point; this approach has on-line adaptivity in changing conditions. Machine learning control is a model-free control that learns an effective control law that is judged and optimized with respect to a problem-specific cost/objective function. A hybrid between MLC and SMC may provide adaptive control exploiting the best non-linear actuation mechanisms. Finally, all these parameters are brought together and tested in real experimental applications representative of the mean wake and shear-layer structures related to control of real cars. For the backward-facing step, the goal is to experimentally reduce the recirculation zone. The flow is manipulated by a row of micro-blowers and sensed by pressure sensors. Initial measurements were carried out varying the periodic forcing. MLC is used to improve performance optimizing a control law with respect to a cost function. MLC is shown to outperform periodic forcing. For the Ahmed body, the goal is to reduce the aerodynamic drag of the square-back Ahmed body. The flow is manipulated by an air-knife placed on the top trailing edge and sensed by a force balance. Continuous blowing and periodic forcing are used as open-loop strategies. SMC and MLC algorithms are applied and compared to the open-loop cases. The pre-evaluation of the flow control parameters yielded important information to reduce the drag of a car. The first real vehicle experiments were performed on a race track. The first actuator device concept and sensor mechanism are presented
Morel, Cristina Monica. "Analyse et contrôle de dynamiques chaotiques, application à des circuits électroniques non-linéaires". Angers, 2005. http://www.theses.fr/2005ANGE0020.
Texto completoSwitch-mode power supplies are highly non-linear systems that can naturally exhibit a chaotic behavior. We first study the control of chaos, i. E, a means to remove chaos, with sliding mode control. Nevertheless, inducing chaos in these systems reduces their electromagnetic interferences emissions, yet at the expense of aggravating the overall magnitude of the output voltage ripple. We then introduce a nonlinear feedback control method, which induces chaos, and which is able at the same time to achieve low spectral emission and to maintain a small ripple in the output. We also propose a new technique to generate several independent chaotic attractors, by designing a switching binary controller of continuous-time systems : this controller can create chaos using an anticontrol of chaos feedback. We show that non-linear continuous-time systems have several attractors and demonstrate that their state space equidistant repartition is on a precise curve. A mathematical formula giving the distance between the attractors is then deduced. Finally, a practical implementation is described, with some experimental measurements
Tahoumi, Elias. "New robust control schemes linking linear and sliding mode approaches". Thesis, Ecole centrale de Nantes, 2019. http://www.theses.fr/2019ECDN0056.
Texto completoThis work deals with the design of control laws for nonlinear, uncertain and perturbed systems based on sliding mode control and linear state feedback. Sliding mode control is known for its robustness versus perturbations and uncertainties as well as high accuracy tracking; however, it is high energy consuming. The linear state feedback is known to be a smooth control and low energy consuming, but it is highly sensitive to perturbations and uncertainties. The first objective of this thesis is the development of control laws that have the advantages of both sliding mode control (robustness and accuracy) and linear state feedback (low energy consumption). The second objective is to show the applicability of the proposed methods to real physical systems, notably the LS2N electropneumatic bench. Applications are also made on a wind system physical systems, notably the LS2N electropneumatic bench. Applications are also made on a wind system
Perozzi, Gabriele. "Exploration sécurisée d’un champ aérodynamique par un mini drone". Thesis, Ecole centrale de Lille, 2018. http://www.theses.fr/2018ECLI0007/document.
Texto completoThis thesis is part of the project "Small drones in the wind" carried by the ONERA center of Lille. This project aims to use the drone as a "wind sensor" to manage a UAV quadrotor in disturbed wind conditions using wind field prediction. In this context, the goal of the thesis is to make the quadrotor a wind sensor to provide local information to update the navigation system. With real-time on-board wind estimation, the quadrotor can compute a trajectory planning avoiding dangerous areas and the corresponding trajectory control, based on anexisting cartography and information on the aerodynamic behavior of airflow close to obstacles. Thus, the results of this thesis, whose main objectives are to estimate instant wind and position control, will be merged with another study dealing with trajectory planning. An important problem is that pressure sensors, such as the aeroclinometer and the Pitot tube, are not usable in rotary-wing vehicles because rotors air inflow interferes with the atmospheric flow and lightweight LIDAR sensors generally are not available. Another approach to estimate the wind is to implement an estimation software (or an intelligent sensor). In this thesis, three estimators are developed using the sliding mode approach, based on an adequate drone model, available measurements on the quadrotor and inertial tracking position systems. We are then interested in the control of the trajectory also by sliding mode considering the nonlinear model of the quadrotor. In addition, we are still studying quite an early alternative solution based on the H control, considering the linearized model for different equilibrium points as a function of the wind speed. The control and estimation algorithms are strictly based on the detailed model of the quadrotor, which highlights the influence of the wind
Huangfu, Yigeng. "La recherche de systèmes nonlinéaires de contrôle de mode glissant à Ordre Supérieur et ses applications pour la MSAP". Belfort-Montbéliard, 2010. http://tel.archives-ouvertes.fr/tel-00608229/fr/.
Texto completoNonlinear system control has been widely concern of the research. At present, the nonlinear system decoupling control and static feedback linearization that based on the theory of differential geometry brought the research getting rid of limitation for local linearization and small scale motion. However, differential geometry control must depend on precise mathematical model. As a matter of fact, the control system usually is with parameters uncertainties and output disturbance. In this thesis, nonlinear system of control theory has been studied deeply. Considering sliding mode variable structure control with good robust, which was not sensitive for parameters perturbation and external disturbance, the combination idea of nonlinear system and sliding mode controls was obtained by reference to the large number of documents. Thus, it not only can improve system robustness but solve the difficulties problem of nonlinear sliding mode surface structure. As known to all, traditional sliding mode had a defect that is famous chattering phenomenon. A plenty of research papers focus on elimination/avoidance chattering by using different methods. By comparing, the document is concerned with novel design method for high order sliding mode control, which can eliminate chattering fundamentally. Especially, the approach and realization of nonlinear system high order sliding mode control is presented in this paper. High order sliding mode technique is the latest study. This thesis from the theory analysis to the simulation and experiment deeply study high order sliding mode control principle and its applications. By comparison, the second order sliding mode control law (also known as dynamic sliding mode control, DSM) may be effective to eliminate the chattering phenomenon. But it is still unable to shake off the requirement of system relative degree. Therefore, arbitrary order sliding mode controller is employed, whose relative degree can equal any values instead of one. The robot car model adopted high order sliding mode is taken as an example. The simulation results show that the tracking control is effective. In the control systems design, it is very often to differentiate the variables. Through the derivation of sliding mode, the expression of sliding mode differential value is obtained. The simulation results certificate sliding mode differentiator with robustness and precision. At the same time, the differentiator for arbitrary sliding mode is given to avoiding conventional complex numerical calculation. It not only remains the precision of variables differential value, but also obtains the robustness. A direct application is simplification for high order sliding mode controller. Due to its inherent advantages, the permanent magnet synchronous motor (PMSM) deserves attention and is the most used drive in machine tool servos and modern speed control applications. For improving performance, this paper will applied nonlinear high order sliding mode research achievement to MIMO permanent magnet synchronous motor. It changes the coupling nonlinear PMSM to single input single output (SISO) linear subsystem control problem instead of near equilibrium point linearization. Thereby, the problem of nonlinear and coupling for PMSM has been solved. In addition, Uncertainty nonlinear robust control system has been well-received study of attention. Because the robust control theory is essentially at the expense of certain performance. This kind of robust control strategy often limits bandwidth of closed loop, so that system tracking performance and robustness will be decreased. So, sliding mode control is an effective approach for improving system robust. This thesis first proposed a robust high order sliding mode controller for PMSM. The system has good position servo tracking precision in spite of parameters uncertainties and external torque disturbance. On this basis, According to the principle of high order sliding mode, as well as differentiator, the state variables of PMSM are identified online firstly and successfully. The results of simulation indicate observe value has high precision when sliding mode variable and its differentials are convergent into zero. The same theory is used in external unknown torque disturbance estimation online for PMSM. As if, load torque will no longer be unknown disturbance. System performance can be improved greatly. It establishes theoretical foundation for the future applications. At the end of paper, using advanced half-physical platform controller dSPACE to drive a PMSM, hardware experiment implement is structured completely. The experiment results illustrate that PMSM adopting precious feedback linearization decoupling and high order sliding mode controller can realize system servo tracking control with good dynamic and steady character
Saied, Hussein. "On control of parallel robots for high dynamic performances : from design to experiments". Thesis, Montpellier, 2019. http://www.theses.fr/2019MONTS110.
Texto completoParallel Kinematic Manipulators (PKMs) have gained an increased popularity in thelast few decades. This interest has been stimulated by the significant advantages of PKMscompared to their serial counterparts, such as better precision and higher accelerationcapabilities. Efficient and performant control algorithms play a crucial role in improvingthe overall performance of PKMs. Control of PKMs is often considered in the literature achallenging task due to their highly nonlinear dynamics, abundant uncertainties, parametersvariation, and actuation redundancy. In this thesis, we aim at improving the dynamicperformance of PKMs in terms of precision and robustness towards changes of operatingconditions. Thus, we propose robust control strategies being extensions of (i) the standardRobust Integral of the Sign of the Error (RISE) feedback control and (ii) the super-twistingSliding Mode Control (SMC). Moreover, an actuator and friction dynamics formulation isproposed within a model-based control strategy to compensate for their resulting errors.Lyaponuv-based stability analysis is established for all the proposed controllers verifyingthe asymptotic convergence of the tracking errors. In order to validate the proposed controllers,real-time experiments are conducted on several parallel robot prototypes: the 3-DOF Delta robot at EPFL, Switzerland, the 4-DOF VELOCE robot, and the 5-DOF SPIDER4robot at LIRMM, France. Several experiments are tested including nominal scenarios, robustnesstowards speed variation, and robustness towards payload changes. The relevanceof the proposed control schemes is proved through the improvement of the tracking errorsat different dynamic operating conditions
Yan, Xinming. "Development of robust control based on sliding mode for nonlinear uncertain systems". Thesis, Ecole centrale de Nantes, 2016. http://www.theses.fr/2016ECDN0012.
Texto completoThis work deals with the development of control laws for nonlinear uncertain systems based onsliding mode theory. The standard sliding mode control approaches are state feedback ones, in which the sliding variable and its time derivatives are required. This first objective of this thesis is to propose high order sliding mode control laws with a reduced use of sliding variable time derivatives. The contributions are made for the second and third order sliding mode control. The second objective is to combine the proposed control laws with a gain adaptation mechanism. The use of adaptive gain law allows to simplify the tuning process, to reduce the convergence time and to improve the accuracy. Finally, the applicability of the proposed approaches is shown on IRCCyN pneumatic benchmark. Applications are also made on 3DOF flying system
Alvaro, Mendoza Carlos Enrique. "Control strategies for permanent magnet synchronous machines without mechanical sensors by sliding modes". Thesis, Ecole centrale de Nantes, 2022. http://www.theses.fr/2022ECDN0055.
Texto completoThis thesis proposes two adaptive sensorless controls based on sliding mode approach for interior permanent magnet synchronous motor(IPMSM). The proposed strategies are composed of an Adaptive High-Order Sliding Mode Observer (AHOSMO) in closed-loop with an Adaptive Super- Twisting Control (ASTWC), where the control and observer gains of the proposed strategy are reparameterized in terms of a single parameter. Then, the main advantage of this strategy is the adaptable laws are easy to implement, avoiding overestimates of gains that increases of chattering, reducing the time to tune the gains, and reducing the damage of the actuators. Furthermore, a strategy for angular position estimation error extraction is proposed. Then, from this information and using a parameter-free virtual system, AHOSMO isdesigned for estimating the angular position and speed in a wide speed range, where the estimated variables provided by this observer are obtained with greater precision, despite the variations of the parameters, achieving greater robustness. These estimated states are used in the proposed robust control to track a desired reference of speed and direct-axis current. A stability analysis of the closedloop system is presented, using a Lyapunov approach. In addition, the proposed strategy is validated throughout experimental and simulationset-up in order to show its effectiveness
Braikia, Karim. "Asservissement des systèmes incertains par des commandes à mode glissant - Application à un robot flexible". Thesis, Toulouse, INSA, 2011. http://www.theses.fr/2011ISAT0016/document.
Texto completoThis thesis addresses the control of complex systems through fixed parameters sliding modes. The objective being to show that it is possible to use robust control laws while keeping the system model and control law synthesis simple.The considered physical system is a seven d.o.f flexible anthropomorphic manipulator robot driven by pneumatic artificial muscles.We address robust control laws, particularly second order sliding modes, Twisting and Super–twisting together with the equivalent control which is associated to them in order to reduce the discontinuities of these type of controls. These laws are applied onto a flexible robot. Through experiment we show their robustness, the influence of modelling uncertainties on performance and the difficulty in synthesizing their parameters for an uncertain system. A convergence accelerator is proposed for enhancing control quality both in regulation and tracking. These theoretical results are experimentally verified through the flexible robot.Due to the difficulty in synthetizing Twisting and Super–twisting control laws, a new approach based on commuted state feedback is presented. The objective being a sliding mode control law with a systematic parameters synthesis using Lyapunov stability condition. This approach named Puma: Polytopic Uncertain Model Approach uses the system’s polytopic model, which allows keeping modelling simple by considering the system, whatever its complexity may be, as a black box. This approach is applied to a flexible robot in simulation ; it is compared to a similar approach to show its interest.In order to evaluate the relevance of these laws from the point of view of performance and implementation simplicity, they are compared to one of the most popular control law: The PID
Libros sobre el tema "Contrôle à mode glissant"
K, Spurgeon Sarah, ed. Sliding mode control: Theory and applications. London: Taylor & Francis, 1998.
Buscar texto completoWilfrid, Perruquetti y Barbot Jean Pierre 1958-, eds. Sliding mode control in engineering. New York: M. Dekker, 2002.
Buscar texto completoeuropéen, Parlement, Conseil de l'Union européenne y Commission européenne, eds. Accès aux documents du Parlement européen, du Conseil et de la Commission: Mode d'emploi. Luxembourg: Office des publications officielles des communautés européennes, 2002.
Buscar texto completoPerruquetti, Wilfrid y Jean Pierre Barbot. Sliding Mode Control in Engineering. Taylor & Francis Group, 2002.
Buscar texto completoPerruquetti, Wilfrid y Jean Pierre Barbot. Sliding Mode Control in Engineering. Taylor & Francis Group, 2002.
Buscar texto completoPerruquetti, Wilfrid y Jean-Pierre Barbot. Sliding Mode Control in Engineering. Taylor & Francis Group, 2002.
Buscar texto completoPerruquetti, Wilfrid y Jean Pierre Barbot. Sliding Mode Control in Engineering. Taylor & Francis Group, 2002.
Buscar texto completoBadea, Alexandra. Contrôle d’identité / Mode d’emploi / Burnout. L ARCHE, 2009.
Buscar texto completoSliding mode control for synchronous electric drives. Boca Raton: CRC Press, 2012.
Buscar texto completoRyvkin, Sergey E. y Eduardo Palomar Lever. Sliding Mode Control for Synchronous Electric Drives. Taylor & Francis Group, 2011.
Buscar texto completoCapítulos de libros sobre el tema "Contrôle à mode glissant"
Kullberg, Christina. "Navigating Archipelagos". En Points of Entanglement in French Caribbean Travel Writing (1620-1722), 51–98. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-23356-2_2.
Texto completo"Movements of Languages and Territories of the Novel". En Introduction to a Poetics of Diversity, traducido por Celia Britton, 127–34. Liverpool University Press, 2020. http://dx.doi.org/10.3828/liverpool/9781789620979.003.0010.
Texto completoMBULI, John y Damien TRENTESAUX. "Impact des systèmes industriels cyber-physiques sur les transports". En Digitalisation et contrôle des systèmes industriels cyber-physiques, 257–76. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9085.ch13.
Texto completoElkaoukabi, Salma y Joanne Hamet. "Chapitre 7. Banques et territoires : le rôle des valeurs et du mode de contrôle". En Management et territoire, 159–69. EMS Editions, 2022. http://dx.doi.org/10.3917/ems.batac.2022.01.0159.
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