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Academic literature on the topic 'Systèmes dynamiques hybrides – Simulation par ordinateur'
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Dissertations / Theses on the topic "Systèmes dynamiques hybrides – Simulation par ordinateur"
Escude, Bruno. "Modélisation et simulation à évenements discrets de systèmes hybrides." Aix-Marseille 3, 2000. http://www.theses.fr/2000AIX30017.
Full textZainea, Marius. "Du composant à l’automate hybride pour la modélisation et la simulation des systèmes en commutation : application à l’électronique de puissance." Rennes 1, 2008. https://tel.archives-ouvertes.fr/tel-00351851.
Full textThe goal of this thesis is to provide a systematic method that finds an explicit model for electronic power converters in the context of hybrid dynamical systems. This study has been triggered by the wide integration of these devices in control in a large area of applications (e. G. The power supplies for PCs, mobile phones and DC motors, medical use equipment, TGVs, aeronautics, etc. ) and the latest interest from the control engineering community in addressing this kind of problems from the hybrid systems point of view. In order to achieve the objective, the present work integrates in a compositional approach previous results issued from energy based formalisms like the bond graphs with a new switch model that enhances the logical commutation conditions. The proposed method provides a generic solution for the modelling and the simulation phases of electronic power converters, from simple ones, as the “buck”, the “boost”, the “buckboost”, to more complex resonant converters, one such converter issued from medical imaging being used as a case study
Zhang, Lu. "Optimisation du dimensionnement de centrales hybrides de production d'énergie électrique associant les énergies renouvelables et traditionnelles sur un territoire donné." Le Havre, 2013. http://www.theses.fr/2013LEHA0006.
Full textThe rapid depletion of conventional energy sources , increasing global demand for energy and the fight against emissions in recent years have renewed interest in the development of renewable energy sources. In this context, the objective of this work is to contribute to finding solutions to the problem of Sizing Electric Hybrid Systems Dispersed Generation of Electricity (SEHPRE) by combining renewable and conventional sources for remote sites where the price of the extension is prohibitive. Our approach has been to formulate the problem of sizing SEHPRE in a nonlinear constrained optimization problem whose main objective function is the total cost of SEHPRE over 20 years. After a review, based on a scientific literature, the energy models of various elements constituting a SEHPRE are developed based on available meteorological data. The program OPTISEH dedicated to the sizing optimization of SEHPRE was then developed and implemented in MATLAB®. This code has been tested under the design of several structures SEHPRE to satisfy the consumption profile of a residential unit on a small power site in the region of Le Havre. Finally and for each optimal structures SEHPRE obtained a detailed analysis linking these solutions to the site and energy resources consumption profile was performed and discussed their relevance
Aljarbouh, Ayman. "Accelerated simulation of hybrid systems : method combining static analysis and run-time execution analysis." Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S033/document.
Full textThis thesis deals with Zeno behavior of hybrid systems, and it has four main contributions : a method of eliminating "chattering" phenomena of hybrid automata, by computing an equivalent dynamics using a new convexification approach ; a method for accelerating the simulation of geometric-Zeno behavior in which the solution converges to a Zeno limit point according to a geometric series ; a proof of preservation by the above methods of a semantics of hybrid automata based on non-standard analysis ; a development of three prototype software, one in the form of a Simulink library, the other in the form of an FMI simulation environment, and the third being an implementation of the regularization method in the Modeling and simulation tool Acumen
Tekobon, Jerry. "Système multi physique de simulation pour l'étude de la production de l'énergie basée sur le couplage éolien offshore-hydrolien." Thesis, Le Havre, 2016. http://www.theses.fr/2016LEHA0031/document.
Full textThe thesis work concerns the development of a real-time emulation platform for theoretical and experimental studies of offshore wind and tidal power hybrid systems. Various energy coupling architectures are processed on the basis of the functional similarities of two systems and by both numerical and experimental emulation concepts. The notion of accelerated time used for real time simulation has been developed. The concept was validated on the experimental platform using the evolution of the mean power delivered by a small wind turbine. This approach can reduce the observation times of the measurement campaigns and could accelerate the studies for the wind potential of developing sites. We have also developed two types of coupling of the wind-tidal hybrid system. An electrical coupling based on the connection in parallel on a continuous bus of two turbines. We have developed an innovative concept of an electromechanical coupling based on the use of a single asynchronous generator on which the wind turbine and tidal turbine are simultaneously coupled. For this purpose, a vector-controlled servomotor was used to emulate the wind turbine while a synchronous motor was used as a tidal turbine emulator. The generator shaft is used as a mechanical coupling between the two systems. We have demonstrated in the experiments that we have developed the complementarity of the electrical productions of the two systems; we highlighted the need to add a storage system to compensate the simultaneous decrease of the two energy productions. The real time simulations results allow us to validate the feasibility of such a coupling
El, Guezar Fatima. "Modélisation et simulation des systèmes dynamiques hybrides affines par morceaux : exemples en électronique de puissance." Toulouse, INSA, 2009. http://eprint.insa-toulouse.fr/archive/00000316/.
Full textPiecewise affine hybrid systems are an important and simple class of hybrid dynamical systems. A piecewise affine system is composed of several dynamical affine subsystems and of switching rules that decide the behavior of the active subsystem during each switching interval. Recently, it has been shown that this class of systems is very rich in nonlinear phenomena such as bifurcations and chaos. Piecewise affine hybrid systems arise in many engineering applications such as DC-DC converters. Modeling of such converters is given using classical averaged or discrete models. However, a possible approach to analyze these circuits can be done using hybrid models. The behavior of a hybrid system is based on events' existence. Simulation which is a simple tool to analyze these systems, requires an algorithm that gives exact switched dates. Existing detection techniques, that are essentially based on approximated schemes, may lose some events and then diverge drastically from the real trajectory of the simulated hybrid system. Our aim within this thesis is to provide a fast and accurate simulation tool of 2nd order planar piecewise hybrid systems, which is based on analytical expressions of solutions. Our semi-analytic approach gives switching instants of state event and periodic temporal events. Our algorithm is implemented in a Scicos toolbox, another alternative in Matlab is also available
Danès, Patrick. "Interfaçage symbolique-numérique dans la simulation qualitative des systèmes dynamiques." Toulouse 3, 1995. http://www.theses.fr/1995TOU30072.
Full textEdibe, Bénédicte. "Modélisation et simulation de systèmes dynamiques par les bond graphs : application aux systèmes mécaniques polyarticulés." Rennes 1, 1995. http://www.theses.fr/1995REN1A007.
Full textThual, Olivier. "Transition vers la turbulence dans des systèmes dynamiques apparentés a la convection." Nice, 1986. http://www.theses.fr/1986NICE4000.
Full textBoussemart, Frédéric. "La simulation graphique interactive des systèmes dynamiques non linéaires : conception et réalisation en Scratchpad." Lille 1, 1992. http://www.theses.fr/1992LIL10037.
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