Дисертації з теми "Système de Contrôle Hybride"
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Poulet, Philippe. "Contrôle d’un système énergétique hybride à base de pompe à chaleur." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4392.
Повний текст джерелаThis thesis is a contribution to the problem of control and management of energy within the heat-pump-based hybrid systems with variable input power. After a state of the art on energy systems and heat pump, a presentation of experimental tools, designed and operated throughout the thesis is given. The third part consists of the physical modeling of the heat pump. This is the central component used for the control of the hybrid system. Then, the control strategy is described and validated through the simulation results and the experiments. The last part is dedicated to the energy management of hybrid system. Specifically, an algorithm to optimize the energy produced is proposed and validated on representative sites in France ; the study-case of this work
Sandoval, torres Cinda Luz. "Contrôle d’une source d’énergie hybride : Pile à combustible-Supercondensateur." Thesis, Paris, ENSAM, 2016. http://www.theses.fr/2016ENAM0067/document.
Повний текст джерелаEnergy generation from fossil fuels combustion is predicted to have severe future impacts in the world’s economy and ecology. Fuel cells and supercapacitors are an alternative power source, environmentally friendly.This dissertation presents a regulation architecture developed to coordinate a hybrid renewable source for typical solicitations of electric vehicles in a scaled operating range of 1 kW. The hybrid system is composed of a Polymer Electrolyte Membrane (PEM) fuel cell module, a supercapacitors bank and their respective power conditioning units. In order to optimize the overall operation, the proposed strategy is organized into three hierarchical levels, and the power demand for each energy source is determined in real time with a basis on a frequency distribution and a cutoff frequency, defined in accordance with the dynamical capabilities of the sources.Even if numerous researches have been reported on the subject, few studies have taken into account the proper dynamics of each source in order to optimize the global performance of the hybrid power supply.The goal of this work is to implement a complete simulator integrating not only dynamical models of each energy source, but also dynamical models of the power conditioning units. The control strategy consists of nested loops, arranged in three functional levels of hierarchy. The central idea is to find the optimal set point for each energy source, according to their own physical properties. Contrary to the existing control strategies, this strategy dynamically calculates the appropriate power demand for each energy source. Due to the complexity of the system, cascade control loops are proposed, organized into blocks, according to the system functionality and dynamics.A functional simulation is obtained, where the system ensures the adequate supercapacitor state of charge and soft current demands to keep the fuel cell working in its safe operating region. Thus, lower fuel consumption and rapid response to load demands are guaranteed to improve efficiency.Results demonstrate that the control strategy allows the regulation of the DC bus voltage under UDDS and ECE-15 driving cycles as load profiles. The fuel cell works within its maximum efficiency region, without falling in the degradation zone. In addition, the supercapacitor state of charge remains within the recommended range
Etienne, Lucien. "Eléments d'observation et d'estimation pour les systèmes contrôlés en réseaux." Thesis, Cergy-Pontoise, 2016. http://www.theses.fr/2016CERG0853/document.
Повний текст джерелаNetwork control systems is an active field of study where interacting component spatially distributed try to achieve a global goal. They naturally emerge from the interaction of computer driven mechanism and the physical world.Along with network control system a related class of systems is described by the so called: Cyber-physical systems, where integrated physical computational capabilities can interact.In this work we will consider the classical task of observation and estimation and investigate cases where network induced constraint calls for adapted observation and estimation scheme.In control system due to limitation in sensors ( for practical reason such as cost reduction) all the value of interest (whether the some unmeasured state or unknown parameter)are unknown. The classical notion of observabilityaccount for the ability to deduce from measurement those value of interest.First sampling reduction by use of event trigger will be studied for several class of systems. Then an estimation and control scheme will be establish to solve the problem of consensus in a multi agents system.Finally considering a more complex vehicle dynamic we focus on the estimation of tire road friction coefficient to solve a tracking problem
Joud, Loïc. "Stratégie intelligente de gestion du système énergétique global d’un véhicule hybride." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCK068/document.
Повний текст джерелаThe main objective of this work is to develop an optimal management strategy to improve energetic efficiency of hybrid electric vehicle. This work is composed by a mobility experimental analysis part, a numerical modelization part and an optimization part of the energy management strategy. The study of mobility allow to highligth and quantify the predictibility of trips, due to a constraint mobility.The dynamic modelling of the vehicle which is necesary to study perfomance of strategies, was realized by Energetic Macroscopic Representation (EMR) which is a good methode in this case. The proposed strategy is based on the predictive control (MPC), solve by a method of Programming Quadratic, and set up resting on the cycle prediction determined from the experimental study. The perspectives of improvements of these work are consolidation of the database, and improvement of the battery modelling (imcluding thermal and ageing effects) and of the thermal engine (taken into account by some pollutants)
Jiménez, Jose-Fernando. "Architecture dynamique et hybride pour la reconfiguration optimale des systèmes de contrôle : application au contrôle de fabrication." Thesis, Valenciennes, 2017. http://www.theses.fr/2017VALE0031/document.
Повний текст джерелаDiscrete-event control systems have the opportunity to resolve significant challenges of modern society. In particular, these represent a fundamental solution to manage and control the new technological advances in compliance to the increased consciousness of sustainable development. The parameterization, configuration and decision-making of these control systems are critical aspects that impact the performance and productivity required. Dynamic control architecture approaches, such as reconfigurable control systems, have been proposed for modelling such systems. However, such approaches have failed to address the recovery of the reconfiguration process as these focus on the continuity of execution rather than on the optimisation of the reconfiguration. This dissertation proposes a reference architecture for a reconfigurable control system, named Pollux, designed to manage and adjust optimally and in real time the architecture of a control system, either to guide operational execution or to respond to a system perturbation. Considering a proposed framework of an optimal configuration of control architectures based on shared governance, this proposed approach aims to orchestrate a flexible and customizable decisional entity, a representation that characterize the unique configuration and control solution of the control architecture, and a three-module reconfiguration mechanism that integrates the optimality-based principles into the reconfiguration process, to ensure a recovery of global performance and/or minimise the degradation caused by perturbations. Our approach is applied in the manufacturing domain and is validated in a simulation and a real flexible manufacturing system cell located at the University of Valenciennes, France. The validation conducted in three experimental scenarios verified the benefits of our approach and encourage us to continue research in this direction
Nadeau, Jonathan. "Commande prédictive nonlinéaire d'un système de freinage hybride électro-hydraulique régénératif." Thèse, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/10378.
Повний текст джерелаAnouar, Adil. "Évaluation et contrôle d'un système hybride à énergie renouvelable pour un site isolé." Thèse, Université du Québec à Trois-Rivières, 2003. http://depot-e.uqtr.ca/3994/1/000103597.pdf.
Повний текст джерелаIbrahim, Faisal. "Vers un outil de simulation de la commande d'un processus dynamique hybride." Vandoeuvre-les-Nancy, INPL, 1993. http://www.theses.fr/1993INPL121N.
Повний текст джерелаBenzerrouk, Ahmed. "Architecture de contrôle hybride pour systèmes multi-robots mobiles." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2011. http://tel.archives-ouvertes.fr/tel-00669559.
Повний текст джерелаDenis, Nicolas. "Système de gestion d'énergie d'un véhicule électrique hybride rechargeable à trois roues." Thèse, Université de Sherbrooke, 2014. http://hdl.handle.net/11143/5856.
Повний текст джерелаKimouche, Amina. "Vers de nouveaux matériaux hybrides basés sur le graphène épitaxié : contrôle de la formation de défauts et leur rôle dans l’intercalation." Thesis, Grenoble, 2013. http://www.theses.fr/2013GRENY027/document.
Повний текст джерелаEpitaxial graphene grown on metal substrates is a promising platform for developing new hybrid systems, in which interface effects can be exploited to engineer novel properties. The insertion of foreign species between graphene and its substrate, referred to as “intercalation”, was shown very powerful in this respect. With the help of surface science tools, we have studied three graphene/metal systems, two of which are intercalated hybrid systems, and the other is a candidate for such a system: (i) graphene/Ir(111) intercalated with an ultrathin oxide, (ii) graphene/Ir(111) intercalated with cobalt (sub) atomic layers, and (iii) graphene on Re(0001). We found that some defects, especially wrinkles (linear delaminations of graphene from its substrate) and other curve graphene regions, play a crucial, yet unanticipated role in the intercalation process. We also found that the intercalation proceeds in a markedly different fashion under ultra-high vacuum and under atmospheric pressure. In the first system, oxygen-containing species were found to intercalate via the open end of wrinkles, to diffuse along then, and to form oxide nanoribbons along wrinkles accordingly. These ribbons modify the charge density of graphene, which also translates into substantial changes in the inelastic (Raman) optical response of graphene. In the second system, the efficiency of intercalation proved to be dependent on the graphene-metal interaction, which varies between differently oriented graphene domains on Ir(111). In this systems the entry sites for intercalated species could be identified, thanks to in operando observation of the process, as curved regions in graphene. Finally, graphene growth in a third system, graphene on Re(0001), was addressed in order to enable the future development of graphene/Re superconducting hybrids. In this system, we proposed two growth routes, one being a surface-confined process, on bulk single-crystal Re(0001), and the other being a temperature-induced segregation of carbon dissolved at high temperature in thin Re(0001) films on sapphire
Baudoin, Sylvain. "Étude d’un système hybride pile à combustible / microturbine dans un contexte microréseau rural isolé." Thesis, Bordeaux, 2015. http://www.theses.fr/2015BORD0440/document.
Повний текст джерелаRural areas, often far away from the main electric grid, are particularly suitablefor the deployment of microgrids (MG). This type of grid allows a restructuring oftoday's power grid in order to integrate more efficiently renewable power sources.Biogas, produced by anaerobic digestion of agricultural wastes, is a renewable energyresource available in rural areas. This resource, easily stored in large quantities, isparticularly interesting for weak grids like a MG. Energy sources using biogas are morereliable and less dependent on stochastic phenomena such as wind or solarillumination.After a state of the art on the different technologies enhancing biogas, it is clearthat a hybrid system consisting of a SOFC type fuel cell and a microturbine (MT)achieves the best electric efficiency with low environmental impact.The overall objective of the thesis is to study the SOFC / MT system as themain power source in an isolated rural MG context. For this purpose, a model of thesystem was carried out by focusing on the elements that affect the dynamics of thesystem's electrical signals. The hybrid system was then sized in order to maintainoptimal electrical performance, and a unique 3LNPC multilevel converter is used tointegrate the hybrid system to the MG. As a fuel cell is sensitive to load changes(affecting its performance and lifespan), the first objective of the control strategyapplied to the 3LNPC converter is to regulate the power of the SOFC at its nominalvalue. The MG must be able to operate autonomously when islanded, thus the secondobjective of this strategy is to set the grid voltage and frequency.The controllers of the control strategy are designed paying particular attention tothe robustness. The operation of the SOFC / MT hybrid system, driven by a single3LNPC type converter equipped with an innovative control strategy, has been testedand validated in simulation and experimentally in the MG platform of ESTIAResearch
Reyss, Olivier. "Stratégies de contrôle embarquables d'un groupe moto-propulseur hybride de type bi-mode." Phd thesis, Université Paris Sud - Paris XI, 2008. http://tel.archives-ouvertes.fr/tel-00345795.
Повний текст джерелаKarania, Nabil. "Contrôle du Compensateur Actif Parallèle à Génération Photovoltaïque pour les Réseaux Intelligents." Electronic Thesis or Diss., CY Cergy Paris Université, 2024. http://www.theses.fr/2024CYUN1288.
Повний текст джерелаIn the electrical distribution networks and smart grids, the widespread adoption of power electronics components among customer loads poses diverse challenges to power quality. The integration of renewable energy sources further exacerbates these challenges due to voltage fluctuations, frequency deviations, and waveform distortion inherent in these sources, significantly dependent on weather conditions. This thesis addresses these challenges through three distinct solutions for power quality improvement in distribution networks, focusing on integrating renewable energy sources, particularly photovoltaic (PV) systems, in the third solution.The first solution introduces a developed multi-level structure of an AC/DC/AC Converter. This solution aims to regulate voltage amplitude, ensure sinusoidal-like output stepping voltage, and mitigate a wide range of harmonics, including the predominant harmonics affecting sensitive loads such as asynchronous motor drives. To address these aspects, this work develops a novel modulation technique to control the DC/AC part of the converter, configured via an Asymmetrical Cascaded H-Bridge Inverter.The second solution involves an Advanced Hybrid Control System Developed for Shunt Active Filter Based on a Multi-Level Inverter. This solution improves the performance of the shunt active filter, raises its apparent switching frequency, and reduces the size of its output coupling filter. The hybrid controller, implemented using Petri Nets (PNs), ensures high-performance tracking of the compensating current, in addition to stabilizing, controlling, and balancing the DC voltages across the MLI inputs. The practical stability of the DC voltage errors is analytically proved via the Lyapunov theorem. This solution is explored in detail for n H-Bridge modules per phase, with real measurement and simulation validations evaluated for 2 and 3 H-Bridge modules per phase within a real industrial environment to prove the structure's effectiveness.The third solution presents a Grid-Connected PV Structure Incorporated with a Shunt Active Filter Based on a Multi-Level Inverter. This configuration enhances power quality and provides renewable energy for both loads and the grid. The DC inputs of the multi-level inverter are connected directly to PV subsystems or via DC-DC converters. Linear controllers are employed to establish the control strategy for the shunt active filter based on (n) H-bridge modules, including injecting compensating current, maximizing the produced power of the PV system, and regulating DC voltages across capacitors. Multi-carrier PWM modulation ensures balanced power distribution among the modules. Maximum Power Point Tracking (MPPT) algorithms, such as Perturb & Observe (P&O), with three control strategies including Proportional Integral, Duty-cycle, and Model Predictive Controller, are employed to maximize PV subsystem power generation. Additionally, the DC-DC converter utilizes PWM modulation techniques across all three control strategies to maintain a consistent switching frequency.The performance of the three aforementioned solutions is validated, for finite HB modules, within a textile factory suffering from harmonic impact on the main textile machine, which represents a sensitive load of 50 kVA, driven by an asynchronous motor. This motor drive is highly sensitive to predominant torque and voltage harmonics, requiring appropriate control of the fundamental output voltage amplitude and the phase and amplitude of the harmonic voltage components. This control system is particularly designed to regulate motor speed variation and mitigate undesired fluctuations caused by harmonic torques. To ensure reliable results, on-site measurements using power quality analyzer devices are collected to create a numerical model of the entire factory's network. Finally, the performance of each solution is investigated on the sensitive load operating within this textile factory
Klein, Thomas. "Le kanban actif pour assurer l'interopérabilité décisionnelle centralisé/distribuéApplication à un industriel de l'ameublement." Phd thesis, Université Henri Poincaré - Nancy I, 2008. http://tel.archives-ouvertes.fr/tel-00377633.
Повний текст джерелаLa typologie de la consommation en termes de biens et de services a évolué au cours des dernières années, avec notamment l'émergence du e-commerce. Si jusqu'alors les consommateurs se sont satisfaits de produits faiblement différenciés à bas coûts, la tendance est à la personnalisation, impliquant une augmentation de la diversité et des exigences du client final en termes de coûts, qualité, fonctionnalités et délais. Les systèmes de production ont généralement été conçus pour être efficaces dans un contexte de production de masse : ils doivent évoluer pour s'adapter à cette nouvelle typologie du marché. Ils doivent gagner en flexibilité pour être capable de répondre aux diverses demandes des clients. Il leur faut également être réactifs, afin de satisfaire rapidement les clients. Enfin, l'entreprise dans sa globalité doit devenir agile, capable de se reconfigurer en fonction des évolutions de son environnement ou de son marché (Nof et al, 2006), (Koren et al, 1999).
Les industries qui produisent en grande série des produits personnalisables, et notamment l'industrie du meuble, subissent également cette évolution : le nombre de références ne cesse d'augmenter et les volumes par référence diminuent. L'un des enjeux majeurs pour l'entreprise Parisot Meubles consiste à flexibiliser un outil industriel initialement dimensionné pour produire des quantités importantes de produits avec une faible différenciation, afin de répondre aux exigences des clients, tant en terme de diversification des produits que de qualité, coûts et délais. Les investissements dans les infrastructures de production étant récents et importants, les perspectives de flexibilisation doivent d'abord s'appuyer sur une évolution des structures de pilotage.
Les systèmes centralisés et hiérarchiques, initialement développés pour répondre à un marché de consommation de masse, ne permettent pas l'agilité du système de production. En effet, si de telles architectures se montrent performantes en régime nominal, de nombreux auteurs (Duffie et al, 1986)(Valckenaers et al, 1997) ont souligné leur manque de robustesse aux perturbations (gestion d'urgences commerciales, pannes, ruptures d'approvisionnements) et leur rigidité (pénibilité de la reconfiguration lors de l'introduction de nouveaux produits par exemple). Ce constat a conduit beaucoup d'entreprises à se tourner vers des stratégies de pilotage de type Juste-à-Temps, reposant sur une production tirée par la demande du client et un système de pilotage des flux physiques par le terrain, généralement à l'aide d'étiquettes (papier) kanban (Monden, 1981). S'ils apportent des solutions satisfaisant aux contraintes de réactivité, ces systèmes ne proposent pas une gestion optimale des flux, et rendent celle-ci complexe par la difficulté à disposer d'une vue globale de la situation.
Dans le but d'améliorer l'agilité des systèmes de production, les activités de recherche se sont orientées ces dernières années vers des systèmes de pilotage hybrides combinant un système de décision centralisé prédictif avec un horizon à moyen ou long terme et un système distribué où les décisions sont prises en temps réel à même le flux sur un horizon court terme. La qualité et la complémentarité des deux approches, centralisées et distribuées, laisse entrevoir des bénéfices considérables pour les architectures hybrides qui concilieraient les capacités d'optimisation globale des systèmes hiérarchiques avec la réactivité et la robustesse potentielle des systèmes hétérarchiques.
Par ailleurs, les développements récents dans le domaine des technologies infotroniques (RFID, réseaux de communication sans fil...) apportent les outils concrets permettant la mise en œuvre de systèmes automatisés de pilotage. Il devient réaliste d'imaginer que le « produit informant » puisse assurer la synchronisation du flux d'objets physiques du procédé et le flux des objets logiciels du système d'information représentant ce procédé. Mac Farlane (MacFarlane et al, 2003) a montré que l'instrumentation du produit et l'augmentation de la visibilité inhérente permettent un apport, tant pour les systèmes classiques de gestion de production que pour les systèmes émergents (Figure 4). D'abord, la collecte en temps-réel de données pertinentes sur l'état du flux de produits et de système de production permettent d'alimenter efficacement les outils centralisés (APS, ERP, MES), particulièrement consommateurs de données, dans le but d'assurer cohérence et optimisation globale du processus de production. Les technologies d'identification automatique permettent de résoudre le problème de synchronisation des flux physiques et d'informations adressée par Plossl en 1985 (Plossl, 1985).
L'instrumentation du produit représente également un moyen sûr d'assurer le lien matière-information et permet d'améliorer la visibilité sur le flux physique. La disponibilité d'informations à la fois sur le process et sur le produit lui-même amène à une amélioration de la visibilité (ou observabilité) dans l'espace des états de l'opération contrôlée (MacFarlane et al, 2003). L'Auto ID est donc un complément aux informations capteurs provenant directement du process. La possibilité d'information précise et en temps réel sur l'identité, le statut et les spécifications du produit aident à réduire les délais et les risques d'erreurs dans la gestion des stocks de matière première, les opérations de production et la gestion des produits finis.
Il devient alors réaliste d'imaginer le « produit actif », participant aux décisions concernant la fabrication, et de le considérer comme le pivot du système de pilotage, assurant la synchronisation et la cohérence entre un système centralisé assurant l'optimisation globale de la production au niveau de l'entreprise et l'ensemble des centres de décisions distribués en charge de l'exécution de la production (Figure 5). Comme énoncé par Valckenaers dans (Morel et al, 2007) : « These recent and ongoing developments finally promise to deliver the best of both worlds: the planning ability of centralized older solutions and the ability to cope with the real-factory dynamics of the self-organizing multi-agent systems ». Notamment, (Thomas et al, 2008) montre la pertinence du concept de contrôle par le produit dans un contexte de production pilotée en Juste-à-Temps, en permettant de maintenir une vision globale du système et d'assurer la cohérence des décisions prises localement.
Les enjeux actuels du domaine sont donc la proposition de cadres de modélisation et de développement de système de production agiles, la preuve du concept et de l'efficience de tels systèmes à l'échelle industrielle et le transfert par application sur des cas réels du monde industriel.
Au sein du CRAN, l'équipe projet « Systèmes Contrôlé par le Produit » étudie l'opportunité d'allouer au produit un rôle actif dans l'organisation, assurant le lien entre l'exécution de la production et le pôle « business » de l'entreprise. Notre travail a été mené conjointement avec la thèse de Rémi Pannequin (Pannequin, 2007) dont l'objet était de démontrer la validité du concept de produit actif, en développant une plateforme multi-agents de contrôle par le produit et une architecture d'émulation, et avec la thèse de Hind El Haouzi (sera soutenue en 2008), qui exploite ce concept pour synchroniser les flux d'un ligne principale d'assemblage avec des lignes secondaires (feeders), dans un contexte de production unitaire. Par rapport à ces deux thèses, notre contribution s'appuie sur l'infotronisation des flux physiques pour aider à la gestion des différents points de découplage par rapport à un objectif global, dans un contexte de production de gros volumes batchés.
Nos travaux ont pour but d'étudier les nouvelles opportunités apportées par les technologies d'identification dans le pilotage des flux de production, et plus particulièrement les technologies d'identification automatique dans un système de production contrôlé en kanban. Plus particulièrement, dans le cadre d'une thèse CIFRE, nous adressons la problématique de gestion des flux de produits au sein de l'entreprise Parisot Meubles.
Au cours de ce travail de thèse, nous avons étudié le système de production dans son ensemble (système physique et système de pilotage), afin d'identifier les problématiques industrielles de pilotage de la production propres à Parisot Meubles. De ces problématiques industrielles, nous avons induit une problématique plus générale de recherche. Nous avons ensuite pu valider les propositions par l'application au cas industriel réel.
Ce travail a porté sur une étude des opportunités apportées par les nouvelles technologies de l'information sur les processus de pilotage de la production, ainsi que la proposition d'un système d'aide à la décision de pilotage des flux sur le terrain. L'architecture proposée s'appuie sur l'infotronisation du flux de kanbans, qui deviennent des « kanbans actifs » et assurent l'interopérabilité et la synchronisation entre un système de décision centralisé et les différentes entités décisionnelles distribuées, afin de coordonner l'ensemble des décisions. Ces propositions ont été validées à l'aide d'une architecture d'émulation, permettant d'utiliser un système de pilotage dans les conditions réelles. Par ailleurs, certaines structures proposées ont pu être validées sur le système de production réel.
Les contributions de ce travail de thèse reposent sur :
• la proposition d'une architecture d'évaluation par émulation de systèmes de pilotage de la production, à une échelle industrielle, ainsi que la méthode de construction.
• La proposition d'un système d'aide au pilotage de la production permettant d'assurer la cohérence globale du système de décision.
Liu, Ruotian. "Contributions to event driven control of batches Petri nets for steady state reaching." Electronic Thesis or Diss., Aix-Marseille, 2021. http://www.theses.fr/2021AIXM0656.
Повний текст джерелаThe problem considered in this thesis deals with the control of hybrid systems, studied from the discrete event systems (DES) theory viewpoint. The objective is to compute the transient trajectory for reaching a given state from an initial one. In the DES theory, generalized batches Petri nets (GBPN) enrich the classes of hybrid Petri nets by adding a new kind of nodes, called batch nodes. This thesis work is dedicated to a class of GBPN, controlled GBPN (cGBPN) without discrete nodes. In this class, a state in which the marking and the firing flow vector are constant is defined to be a steady state. In this context, we propose three control strategies for reaching a reachable steady state under the conservative and consistent assumptions. The first one, called steady flow control law, is based on an ON/OFF state of transitions for which the maximal firing flow of each ON-transition is limited to its steady firing flow. One drawback is that a blockness issue may occur, consequently, the target steady state may not be reached. A condition with respect to the initial marking quantity is proposed to avoid blocking quantity and reach the steady state by the control law. The second control law, called maximal flow control law, is developed by using the maximal firing flow as the threshold. The third control law is dedicated to the case when the non-blocking condition on the initial marking quantity is not satisfied. This third control law is constructed to reach the attractive region from any blocking initial quantity. Finally, the proposed control methods have been implemented and their efficiency has been shown on a case study dedicated to a bottling production line
Delpech, Nicolas. "Architecture orientée objet de contrôle-commande de robots." Toulouse, ENSAE, 1994. http://www.theses.fr/1994ESAE0002.
Повний текст джерелаSaid, Mohamed Mariama. "Architecture et étude d’un système électrique hybride destine à l’autonomie d’une zone rurale." Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0044.
Повний текст джерелаThe presented work focuses on the study of the architecture of a hybrid electric system (HES) made of different sources. First, we studied a configuration consisting of photovoltaic, wind, PEM fuel cell as sources and batteries, electrolyser and hydrogen tank as storage elements. Then in a second phase, only hydrogen storage is considered to ensure the electrical autonomy of a rural area in Comoros. The coupling of these different sources aims to improve the performance, the availability of the resulting electrical network, the supply of electricity over much longer periods and, above all, the satisfaction of the uses by operating each source in a reasoned way. First, we have analysed the main components of our system. Then, we established the mathematical models that describe the behaviour of the different parts of our hybrid energy system which is here the formalism used for the modelling. The modelling and simulation of the PV and wind systems use a MPPT control to maximize the delivered power. In the first configuration, the battery charge/discharge process is controlled to stabilize the DC bus voltage. The fuel cell makes the system more durable. It also helps to stabilize the DC bus voltage, in case of too much battery discharge. Thus, the use of a harmonic filter reduces the rate of harmonic distortion. Harmonics are compensated as well than the reactive current component in normal or unbalanced operating conditions. The presented simulation results have illustrated the behaviour of the different components of the HES in transient and steady states. Finally, the proposed system, analysed with the help of HOMER, would be able to provide a solution to the demand of a rural area in the Comoros or in any place suffering of a weak grid by using only hydrogen storage
Biaou, Ulrich. "Étude et mise en oeuvre d'une plateforme hybride basée sur du sans fil pour l'efficience énergétique et le contrôle d'accès dans le train." Thesis, Valenciennes, 2017. http://www.theses.fr/2017VALE0042/document.
Повний текст джерелаThe need of new services in railway trains (services for metering, energy efficiency, the comfort and safety of users etc.) may eventually saturate the wired communication systems installed since twenty years ago years. The several advantages of wireless sensor networks (easy deployment, ability to adapt on different environments and low energy consumption) offer many possibilities for energy management systems. The aim of this thesis is to study and implement a wireless network sensors inside trains for energy efficiency. Thus, some communication protocols dedicated to energy management were presented and then a comparative study of the various wireless communication networks carried out. This comparative study shows that the ZigBee network is the most suitable for the platform. The proposed hybrid architecture allows the use of the existing IP network as the backbone of all ZigBee networks. In order to take into account the effect of the railway environment in the planning and deployment of the network, a study of the propagation channel was carried out, based on measurements realized in a subway and a RER car. The impact of the coexistence between ZigBee and WiFi and of the human presence on wireless communication have been demonstrated. The prototype of a platform based on the ZigBee network, allows data collection, informations traitement and monitoring, was carried out
Liu, Mingxing. "Personnage virtuel : contrôleur hybride couplant commande dynamique multi-objectifs et mouvements capturés." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://tel.archives-ouvertes.fr/tel-00825375.
Повний текст джерелаHilbrunner, Olivier. "Développement et optimisation d'un système de contrôle actif pour les absorbants acoustiques hybrides." Ecully, Ecole centrale de Lyon, 2003. http://bibli.ec-lyon.fr/exl-doc/ohilbrunner.pdf.
Повний текст джерелаIn order to increase the frequency band of absorption of usual porous materials, the "Centre Acoustique du LMFA" works on the design of hybrid materials using passive and active absorption. The basic principle consists in vanishing by active control the pressure at the rear face of the material, with well-suited characteristics, to achieve a maximum absorption. This thesis deals with the optimisation of the active part, which means a design of a powerful secondary source, including vibroacoustic coupling from the cavities and the effect of wiremesh and the implementation of a digital feedback diagonalised IMC control algorithm. An experiment using four independent cells proves the good functioning of the controller in a duct with flow : very important noise reductions were achieved in the low frequency band
Thorel, Sylvain. "Conception et réalisation d'un drone hybride sol/air autonome." Thesis, Paris, ENMP, 2014. http://www.theses.fr/2014ENMP0054/document.
Повний текст джерелаThis thesis is dedicated to the non-linear control of a special hybrid quadrotor which is able to fly, and slide on the ground like an hovercraft. In the context of an autonomous indoor exploration this hybrid concept allows saving energy when flying is not necessary, since the drone can then slide on the ground without having to compensate for the gravity; autonomy can last beyond the 20 minutes typical of a standard quadrotor. Contrarily to wheeled mobile robots, the hybrid drone ability to move across space is strongly increased since it can fly to avoid obstacles, to move between two levels, to get in through a window. The study under consideration is essentially focused on the displacement of the drone on the ground and aims at designing and implementing a control law so that our system is able to track a 2D xy plane trajectory. This terrestrial quadrotor is similar to a slider underactuated vehicle. The point stabilisation is then separately studied from the trajectory tracking issue because of the Brockett condition, which is not satisfied in that case; our platform cannot be stabilized by means of continuous state feedbacks. This thesis proposes different theoretical developments based on the literature and deriving from time varying control laws, transverse functions, flatness or backstepping techniques to solve both point stabilisation and trajectory tracking. The experimental part of the thesis is based on the recovering of the drone position in real time and orientation via a Motion Capture system for feedback loop in the control law; the proposed dynamical model was validated as well as the control and command laws for the tracking of a circular trajectory
El, Tawil Tony. "On sizing and control of a renewables-based hybrid power supply system for stand-alone applications in an island context." Thesis, Brest, 2018. http://www.theses.fr/2018BRES0003/document.
Повний текст джерелаThis PhD thesis models a renewable-based hybrid power supply system applied in an islanded context and investigates sizing and regulation strategies of such a hybrid system. First, various marine energy production technologies were reviewed and compared to common renewable resources. As well, various energy storage technologies were reviewed, compared, and evaluated to fit the chosen site characteristics. A brief investigation on offshore energy transmission and inverter regulations methods is presented. Then, a study of the site characteristics, and the availability of the different renewable energy resources in the area are presented. This energy study constitutes the basis of the proposed system sizing method, where minimizing the cost and the CO2 emissions are considered as the main objectives. Furthermore, a fuzzy logic power management approach is proposed for the islanded microgrid. Finally, a detailed study of the system components grid-side inverter regulation is presented. Three regulation levels were investigated: the single inverter, the renewable farm, and the hybrid system. In this context, different regulation strategies are considered at each level
Perez, Castaneda Gabriel Antonio. "Évaluation par simulation de la sûreté de fonctionnement de systèmes en contexte dynamique hybride." Thesis, Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL016N/document.
Повний текст джерелаThe research of analytical solutions for reliability assessment in dynamic context is not solved in the general case. A state of the art presented in chapter 1 shows that partial approaches exist in the case of particular hypothesis. The Monte Carlo simulation would be the only recourse, but there were no tools allowing the simultaneous simulation of the discrete evolution of the system and its continuous evolution taking into account the probabilistic aspects. In this context, in chapter 2, we introduce the concept of hybrid stochastic automaton capable of taking into account all the problems posed by dynamic reliability and to accede to the assessment of dependability parameters by a Monte Carlo simulation implemented in Scicos-Scilab environment. In chapter 3, we show the effectiveness of our approach of simulation for dependability assessment in dynamic context through two test cases of which case one is a benchmark of dependability community. Our approach responds to the posed problems, notably the consideration of the influence of the discrete state, of the continuous state and their interaction, in the probabilistic assessment of the performances of a system in which besides, the reliability characteristics of components depend themselves of the continuous and discrete states. In chapter 4, we give an idea of the interest of control by supervision as a means of dependability. The concepts of observer automaton and of controller have been introduced and illustrated on our test case in order to show their potential
Rondepierre, Aude. "Algorithmes hybrides pour le contrôle optimal des systèmes non linéaires." Phd thesis, Grenoble INPG, 2006. http://tel.archives-ouvertes.fr/tel-00112203.
Повний текст джерелаPerez, Castaneda Gabriel Antonio. "Évaluation par simulation de la sûreté de fonctionnement de systèmes en contexte dynamique hybride." Electronic Thesis or Diss., Vandoeuvre-les-Nancy, INPL, 2009. http://www.theses.fr/2009INPL016N.
Повний текст джерелаThe research of analytical solutions for reliability assessment in dynamic context is not solved in the general case. A state of the art presented in chapter 1 shows that partial approaches exist in the case of particular hypothesis. The Monte Carlo simulation would be the only recourse, but there were no tools allowing the simultaneous simulation of the discrete evolution of the system and its continuous evolution taking into account the probabilistic aspects. In this context, in chapter 2, we introduce the concept of hybrid stochastic automaton capable of taking into account all the problems posed by dynamic reliability and to accede to the assessment of dependability parameters by a Monte Carlo simulation implemented in Scicos-Scilab environment. In chapter 3, we show the effectiveness of our approach of simulation for dependability assessment in dynamic context through two test cases of which case one is a benchmark of dependability community. Our approach responds to the posed problems, notably the consideration of the influence of the discrete state, of the continuous state and their interaction, in the probabilistic assessment of the performances of a system in which besides, the reliability characteristics of components depend themselves of the continuous and discrete states. In chapter 4, we give an idea of the interest of control by supervision as a means of dependability. The concepts of observer automaton and of controller have been introduced and illustrated on our test case in order to show their potential
Jreijiry, David. "Modélisation numérique des systèmes de ventilation hybride et développement des stratégies de contrôle associées pour les bâtiments résidentiels." La Rochelle, 2004. http://www.theses.fr/2004LAROS122.
Повний текст джерелаThe aim of this work is to develop and evaluate hybrid ventilation control strategies, using both natural and mechanical mode, in residential building. The first chapter presents the state of the art of existing hybrid ventilation systems and control strategies. Moreover, thermal and airflow simulation tools used in the field of building science are reviewed. In the second chapter, a methodology to implement building airflow models in Matlab/SIMULINK is described. A simplified pollutants model and a humidity model are developed in the same environment. The new airflow model have been coupled with the existing thermal model in SIMBAD building and HVAC toolbox. The airflow models are now implemented in the new version of SIMBAD toolbox. The third chapter concerns the description of the ventilation systems and their control strategies. It includes a mechanical ventilation system based on the national regulation and the hybrid ventilation system used in the framework of the European project RESHYVENT. Two demand control strategies have been developed for the hybrid ventilation system, the first one is based on the occupant detection and the second one is based on the CO2 levels in the dry rooms. Both strategies take into account the potential of stack effect. The last chapter deals with the evaluation of hybrid ventilation control strategies. The case study is a single family dwelling in four European climates (Athens, Nice, Stockholm and Trappes). The yearly simulations have been performed to evaluate the different systems for the different climates with respect to indoor air quality, thermal comfort, energy consumption and the stability of control strategies criteria. In addition, the influence of building shielding is presented. The main conclusion of this work is the ability of hybrid ventilation systems to improve indoor air quality and to reduce fan energy consumption with respect to reference system while maintaining the building energy consumption for heating close to each other
Valette, Etienne. "Vers une approche anthropocentrée des architectures de contrôle pour les systèmes intelligents de production." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0140.
Повний текст джерелаLast decades have seen the growth in size and complexity of industrial systems and flows (both physical and informational). Hyper competitive markets, demand atomization and customer requirements level increase have brought about the need to combine the robustness and performance of centralized systems with the responsiveness of decentralized systems. For the 20 last years, the relevance of these Hybrid Control Architectures (HCA) has been demonstrated through numerous works. However, they are today hardly present in the industrial landscape. This situation could find some of its roots in a certain lack of genericity and/or Human-System acceptability. In this research work, the explored path consists in proposing a reference formal framework for the design, modelling, simulation, visualization and evaluation of complex systems' constitutive components and interactions/relations. The purpose of this framework is to bridge the genericity gap identified for Holonic and Hybrid Control Architectures Design regarding complex Multi-Agent Systems (MAS), but also to promote human inclusion into these. To this end and to promote the socio-technical representation of systems, the proposed relationships model is grounded on the nature of human societies' ones
Chane, Kuang Sang Laurent. "Stratégie de contrôle hybride d'un magnétron verrouillé par injection pour un Transport d'Énergie Sans Fil par onde hyperfréquence." La Réunion, 2002. http://tel.archives-ouvertes.fr/tel-00464105/fr/.
Повний текст джерелаWith the aim to put forward an alternative renewable and large-scale energy source to Mankind P. Glaser presented the project of Solar Power Satellite to the american spatial agency. This scheme consists in collecting directly in space the solar energy before being targeted on a terrestrial reception base by means of a focused microwave beam. This principle is founded on the concept of Wireless Power Transportation (WP1). To complete this project successfully, a preliminary "earthwork" strategy is adopted by the international researchers community, before upgrading to a spatial project. In terrestrial point-to-point WPT systems prototypes or proposals, one of the preferred microwave power projection system consists in a phased array antenna supplied by individual mid-power range microwave sources : magnetron. To be efficiently coupled to projecting systems and to allow electronic steering and beam-forming, magnetrons have to be synchronised to a reference frequency and controlled in phase and amplitude. For this purpose, this research wQrk presents a new approach of the control of the output parameters of an injection /ocked magnetron. Ln order to take into account the non linear behaviour of this microwave tube, an hybrid control strategy was designed to control the amplitude and frequency of a magnetron in fixed-load operations. This control algorithm involves a non linear artificial neural network modelling the plant inversion mapping, in combination with a classical linear PID feedback controller. Supervised and Generalized learning with experimental databases collected from a magnetron measurement bench developed in our laboratory was adopted to identify the neural controller. A dynamical - control architecture, which switches either on a non linear control loop or a classical linear PID feedback loop, allows to drive the frequency and amplitude of the magnetron, while its phase remains steady, all over the injection locking bandwith
Meghnous, Ahmed Rédha. "Commande et observation d’une classe de systèmes linéaires à commutations : Application aux convertisseurs de puissance DC-DC." Thesis, Lyon, INSA, 2013. http://www.theses.fr/2013ISAL0137/document.
Повний текст джерелаThis thesis is dedicated to the control and the observation of a class of switched linear systems (SLS). This class contains the systems that can be represented by a port-Hamiltonian model. A lot of works have been studied SLS for several years using an average modeling approach. Recently, various works have shown that hybrid system theory allows to cope with stabilization, controllability, and observability problems of switched linear systems. However, several problems are still open and need more development such as the design of hybrid observers for SLS that have unobservable modes or the control of systems with reduced number of switching inputs and numerous variable states to control. In this work, we are interested in the design of state observers for a particular class of SLS using both the average and the hybrid port-Hamiltonian models. This formalism has the necessary tools to study and establish the stability of the observation errors. At the beginning, a nonlinear observer based on the average modeling is proposed. Next, a hybrid observer is designed for switched linear systems. This observer takes into account the unobservable operating modes of the system. The second point of our work concerns the design of control laws for the considered class of SLS. At first, two Lyapunov-based control laws have been established using either an average model or a hybrid model of the system. A hybrid optimal control based on the maximum principle of Pontryagin and the computation of singular arcs has been also proposed. Finally, a hybrid predictive control based on a discrete model of the system is synthesized. Simulation results and an experimental implementation on a SEPIC converter are given to show the efficiency of the proposed methods. Our motivation to study such a converter is mainly due to its particular topology that includes observable and unobservable subsystems. It is also known to be difficult to be controlled because only one switching input is used to control four state variables
Pach, Cyrille. "ORCA : architecture hybride pour le contrôle de la myopie dans le cadre du pilotage des systèmes flexibles de production." Phd thesis, Université de Valenciennes et du Hainaut-Cambresis, 2013. http://tel.archives-ouvertes.fr/tel-00919382.
Повний текст джерелаBenamara, Farah. "Webcoop : un système de question-réponse coopératif sur le web." Toulouse 3, 2004. http://www.theses.fr/2004TOU30169.
Повний текст джерелаThis thesis describes the WEBCOOP system that aims at providing cooperative responses in French to natural language queries on the web. The main objectives of the system are : -the integration of reasoning procedures with a variety of knowledge bases as well as real life data extracted from web pages in order to produce web style natural language responses. -major and new feature: the integration of a cooperative know-how component that goes beyond the mere recognition of a user misconception
Klein, Thomas. "Le kanban actif pour assurer l’intéropérabilité décisionnelle centralisé/distribué : Application à un industriel de l’ameublement." Thesis, Nancy 1, 2008. http://www.theses.fr/2008NAN10138/document.
Повний текст джерелаThe defended thesis is the result of a partnership enters on one hand the group Parisot, and particularly the corporation Parisot Furnishes, and on the other hand the team of research technological TRACILOG of the Center of Research in Automatic of Nancy. This work has focused on a study of the opportunities provided by new information technologies on the procedures of production and the proposal of a decision support steering flow on the ground. The proposed architecture relies on the flow infotronisation kanban, which become "kanban assets and ensure interoperability and synchronization between a centralized system of decision-making and different decision-making distribution entities, to coordinate all decisions. These proposals have been validated through an architecture emulation, allowing the use of a flight control system under real conditions. In addition, some proposed structures have been validated in the real production system. The contributions of this thesis work based on: • The proposal of an architecture evaluation emulation control systems of production on an industrial scale, and the method of construction. • The proposal of a system of aid to the management of the production to ensure the overall coherence of the decision system
Faurie, Frédéric. "Algorithmes de contrôle d’intégrité pour la navigation hybride GNSS et systèmes de navigation inertielle en présence de multiples mesures satellitaires défaillantes." Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14447/document.
Повний текст джерелаCritical applications such as civil aviation require a navigation system including an integrity monitoring function to provide accurate and reliable information. Thus, the navigation system has to raise an alert when the operational requirements are not met. This loss of performance can be due to satellite failures. This thesis deals with integrity monitoring of navigation system assuming multiple satellite failures. Moreover, we consider herein the satellite measurements are hybidized with the kinematic information providing by an inertial navigation system.The contributions to this issue are manifold. Several algorithms are proposed accounting for the limited computing load of the embedded applications. Among them, information fusion allows to improve the integrity monitoring performance. Errors in measurement noise model are also treated in this thesis. On the one hand, we propose to detect and compensate the measurement noise variance jumps. On the other hand, robust approaches are used to improve the integrity monitoring when the measurement noise is not gaussian distributed
Zhao, Jianning. "Co-Optimisation du Dimensionnement et du Contrôle des Groupe Motopropulseurs Innovants." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLC057/document.
Повний текст джерелаAdvanced technologies are highly demanded in automotive industry to meet the more and more stringent regulations of fuel consumption. Cooptimization of design and control for vehicle propulsion systems with an enhanced computational efficiency is investigated in this thesis.Powertrain components, such as internal combustion engines, batteries, and electric motor/generators, are analytically modeled at descriptive and predictive level correspondingly for the development of fastrunning control optimization and for the scalability of design optimization. The minimal fuel consumption of a hybrid-electric vehicle is evaluated through novel optimization methods. These methods – including the Selective Hamiltonian Minimization, and the GRaphical-Analysis-Based energy Consumption Optimization – are able to evaluate the minimal energy consumption with the enhanced computational efficiency. In addition, the Fully-Analytic energy Consumption Evaluation method approximates the minimal energy consumption in closed form as a function of the mission characteristics and the design parameters of powertrain components.A few case studies are presented in details via the bi-level and uni-level co-optimization approaches, showing an effective improvement in the computational efficiency for the overall co-optimization process
Stevenson, Pierre. "Contribution au développement d’un concept d’hybridation énergétique : structures de commande d’un système intégré éolien-hydrolien." Thesis, Le Havre, 2015. http://www.theses.fr/2015LEHA0001/document.
Повний текст джерелаAThis thesis addresses the problem of wind-tidal turbines hybridization. It first raises the hypothesis of a wind turbine based on Synchronous Permanent Magnet Machine (PMSM) and a tidal using a Double-Fed Induction Generator (DFIG). So, it presents the modeling of different elements that make up each system studied, from the turbine to the network connection through the electric machine and static converters. Control strategies are also developed. These are used to extract the maximum energy while taking into account the limitations of the systems. The thesis also examines two possible coupling of wind and tidal turbines which both use a PMSM. The simulation results of the models that we have developed in Matlab / Simulink / SimpowerSystem allow to validate the control strategies and conclude that a good choice would be to opt for coupling to the DC bus
Perez, Castaneda Gabriel Antonio. "Evaluation par simulation de la sûreté de fonctionnement de systèmes en contexte dynamique hybride." Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2009. http://tel.archives-ouvertes.fr/tel-00383298.
Повний текст джерелаKalita, Dipankar. "Graphène synthétisé par dépôt chimique en phase vapeur : du contrôle et de la compréhension des défauts à l'échelle atomique jusqu'à la production de dispositifs fonctionnels macroscopiques." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAY098/document.
Повний текст джерелаThough graphene is strong candidate to make various applications, still there are issues that need to be resolved. The purpose of this thesis is to grow high quality graphene and transfer it to make new graphene based devices and to engineer defects into graphene structure. We have been able to increase the growth polycrystalline monolayer graphene from few centimeter scale to wafer scale without changing the CVD chamber. At the same time, we have demonstrated a method to decrease the nucleation density which allows us to grow large single crystal graphene from few to hundreds of micrometer. Concerning new design of graphene based devices, the polycrystalline graphene was trans- ferred to create artificial bilayer crossbars where the bilayer region behaved like naturally grown bilayer graphene. We have also developed a novel method of suspending graphene in macroscopic scale in pillared surface. In such a system, the strain in graphene is found to be less than 0.2%. Thereafter a completely dry method of depositing electrodes was developed which prevents damaging of graphene. The scale and process of transferring graphene was improved to different substrates such as 4 inch Si and sapphire substrates. It was used as transparent electrode to in a quantum well LED to replace the Ni/Au electrodes. We have been able to engineer defects into graphene. Firstly defects were induced in a controllable way using chemical method and were analyzed using Raman spectroscopy and Transmission Electron Microscopy which revealed a two step mechanism of defect formation in the graphene structure. We have also studied the effect of charged defects which adsorb onto the graphene surface without forming bonds with it. Unlike in literature where charged particles were deposited onto graphene, here the charged nano particles were present dur- ing the growth process in the copper foil. We believe that due to these nano particles, the intensity of D' phonon is greatly enhanced. Such anomalously higher intensity of D' band compared to D band has not been reported before
Croci, Lila. "Gestion de l'énergie dans un système multi-sources photovoltaïque et éolien avec stockage hybride batteries/supercondensateurs." Phd thesis, Université de Poitiers, 2013. http://tel.archives-ouvertes.fr/tel-00943296.
Повний текст джерелаZedek, Sabeha Fettouma. "Intégration d'architectures mixtes reconfigurables : Application à la détection de défauts dans des structures hétérogènes." Thesis, Toulouse, INSA, 2015. http://www.theses.fr/2015ISAT0005/document.
Повний текст джерелаScientific activities described in this PhD thesis are part of the theme of smart environment, strategy axes of ADREAM with the LAAS-CNRS. Since several years, our research team (N2IS) had a field of interest in SHM (Structural Health Monitoring) with the objective of doing a smart diagnostic on different heterogeneous structures. Indeed, the maturity of innovative materials such as composites triggering interest among aircraft manufacturers, or even the use of materials like concrete structures of civil engineering, all those heterogeneous structures that require periodic monitoring and / or continuous one. This is to detect cracks, disbond, surface corrosion or even delamination. To do this, existing solutions usually rely on technologies of nondestructive testing (NDT) that incorporate mostly sensor networks low-power systems interfaced with analysis of signals. These approaches have significant functional limitations: they are not versatile and do not allow for continuity of service in a "degraded" when operating on battery power with a minimum level of energy mode. Our research is a view related to the quantization level of robustness of a heterogeneous structure. Its aim is the development and integration of hardware reconfigurable mixed (A / D ) systems. After an investigation of the main technological solutions reprogrammable hardware and given the problems associated with developments in analytical embedded and minimizing the energy consumption of sensor algorithms. The choice was based on technologies like FPAA and FPGA. Initially our research studies have focused on the study of reconfigurable analog hardware analog. The objective was to show a conceptual feasibility of integrating a complex conditioning system (implementation of a synchronous detection technique), considering the tradeoff between a decision on the fly reconfiguration and a rational energy management system. Therefore, the question of how to integrate and store data necessary for the development of an efficient digital processing. A solution based on a hybrid approach with a chip produced by Xilinx called Zynq and embedded on a Zedboard. This solution is more efficient than a PSoC approach and allowed the development and implementation of signal processing techniques with tools for optimization and provided a solution of self-generation code trough a graphic interface. Following this research, the results obtained demonstrate the validity of the concepts implemented and allow us to imagine the next smart generation architectures
Itani, Khaled. "Récupération d’énergie pour système intégré moteur roue, application au véhicule électrique." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLN025/document.
Повний текст джерелаThe thesis will address the quantification of power flow going through the different energy static and dynamic conversion systems to attain the chemical / electrostatic / mechanical storage elements during a hybrid regenerative brutal braking of a front-wheel driven electric vehicle. The electric vehicle is equipped by two integrated wheel-motors independent sets. The control of the converters and electrical machines is also treated. The problematic concerns the brutal regenerative braking case imposing high electrical and mechanical constraints on energy conversion and storage elements. The simulation tool adopted is Matlab/Simulink®. A detailed model of the used electric vehicle has been developed in order to be able to simulate the vehicle behavior with respect to the braking forces distribution delivered by the repartition and quantification of braking forces system. A study of the kinematics and dynamics of the vehicle according to different road types will be also considered. This study will be used retrospectively in the formulation of the braking forces distribution laws. The motors used are interior permanent magnet synchronous type. The objective is to ensure high electrical braking torque at high driving speeds of the vehicle. To this end, the optimal control of these motors will be based on a new current references generation method assuming then a high regenerative torque and therefore an improvement in the recovered energy. The hybrid storage system includes a Li-Ion battery and supercapacitors cells to reduce stress on the battery and to extend its life. The power structure of the system will be analyzed as well as the 3-level DC/DC converter interfacing the ultracapacitor with the DC bus proposed control system. A braking resistor controlled by a pseudo- cascaded controller will also be integrated to reduce, if necessary, the constraints on the battery. The evaluation and distribution of braking forces on the four wheels depending on road conditions are key elements for the stability of the vehicle during braking. The method of distribution and quantification of braking forces proposed should maintain this stability , meet international standards and take advantage of the presence of wheel motors in the front of the vehicle to maximize the energy recovered. The work has been extended to include a comparative study with a system containing a kinetic energy storage element as a secondary energy source for a braking and traction vehicle operation. The thesis is the starting point of a research collaboration between IFSTTAR / Satie and the Electrical Engineering Department of Cnam- Liban, associated center of the Conservatoire National des Arts et Métiers ( CNAM ), Paris, France
Ocnasu, Dan. "Modélisation, Commande et Simulation Temps-Réel Hybride des Systèmes de Génération Non Conventionnels." Phd thesis, Grenoble 1, 2008. http://www.theses.fr/2008GRE10187.
Повний текст джерелаNowadays we are facing a power system in full mutation mainly due to the power markets opening, to the technology evolution, to the exhaustion of natural resources, as well as to the climatic changes. In order to remedy the resulting problems, countermeasures have to be taken at all the levels of the power system: generation, transport and use. Nevertheless, these countermeasures are not always self compatibles and, due to their innovative character, they require more and more powerful analysis tools, well adapted to the involved dynamics and their multitude. The current paper proposes and analyzes the use of real-time (power-)hardware-in-the-loop simulator in order to face these complex requirements
Ocnasu, Dan. "Modélisation, Commande et Simulation Temps-Réel Hybride des Systèmes de Génération Non Conventionnels." Phd thesis, Université Joseph Fourier (Grenoble), 2008. http://tel.archives-ouvertes.fr/tel-00339664.
Повний текст джерелаBesseron, Guillaume. "Contrôle de la stabilité des systèmes locomoteurs à haute mobilité évoluant sur des terrains accidentés." Paris 6, 2008. http://www.theses.fr/2008PA066545.
Повний текст джерелаThe research presented in this report deals with the improvement of the autonomous mobile robots locomotion capacities on natural terrains. In this work, an adaptive locomotion system with a redundant wheel-legged hybrid kinematic structure was designed and realized. Indeed, this kind of mechanism has the capacities to adapt itself to uneven grounds. The autonomy of the robot is linked to both its kinematics capacities of adaptation and to its energetic dependence. When the vehicle reconfigurates itself, while moving on an uneven field, a big amount of energy is needed by its internal mobilities. That is why, a posture control aiming at minimizing the number of reconfigurations of the robot has been developed. The goal is to modify the posture of th erobot only when its integrity, i. E. Its stability is jeopardized. The use of a posture control command law based on the potential fields allow to obtain the wanted behaviour of the robot. The command of the movements of the robot relies on the inverse of the differential kinematic model. In this model, the different terms are split, ensuring so both the trajectory and the change of the posture of th erobot. The robot reconfigurates itself when its stability reached a pre-determined value. The principle of this control is validated through numeric simulations representing the dynamic behavoiur of the robot moving on a natural terrain
Mokrenko, Olesia. "Gestion de l'énergie dans un réseau de capteurs au niveau application." Thesis, Toulouse 3, 2015. http://www.theses.fr/2015TOU30199/document.
Повний текст джерелаEnergy is a key resource in Wireless Sensor Networks (WSNs), especially when sensor nodes are powered by batteries. This thesis is investigates how to save energy of the whole WSN, at the application level, thanks to control strategies, in real time and in a dynamic way. The first energy management strategy investigated is based on Model Predictive Control (MPC). The choice of MPC is motivated by the global objectives that are to reduce the energy consumption of the set of sensor nodes while ensuring a given service, named mission, for the sensor network. Moreover, a set of constraints on the binary control variables and on the sensor modes must be fulfilled. The second energy management strategy at the application level is based on a Hybrid Dynamical System (HDS) approach. This choice is motivated by the hybrid inherent nature of the WSN system when energy management is considered. The hybrid nature basically comes from the combination of continuous physical processes, namely, the charge / discharge of the node batteries; while the discrete part is related to the change in the functioning modes and the Unreachable condition of the nodes. The proposed strategies are evaluated and compared in simulation on a realistic test-case. Lastly, they have been implemented on a real test-bench and the results obtained have been discussed
Fippo, Fitime Louis. "Modélisation hybride, analyse et vérification quantitative des grands réseaux de régulation biologique." Thesis, Ecole centrale de Nantes, 2016. http://www.theses.fr/2016ECDN0016.
Повний текст джерелаBiological Regulatory Networks (BRNs) are usually used in systems biology for modelling, understanding and controlling the dynamics of different biological functions (differentiation, proliferation, proteins synthesis, apoptose) inside cells. Those networks are enhanced with experimental data that are nowadays more available which give an idea on the dynamics of BRNs components. Formal analysis of such models fails in front of the combinatorial explosion of generated behaviours despite the fact that BRNs provide abstract representation of biological systems. This thesis handles hybrid modelling, the simulation, the formal verification and control of Large Biological Regulatory Networks. This modelling is done thanks to stochastic automata networks, thereafter to Process Hitting by integrating time-series data. Firstly, this thesis proposes a refining of the dynamics by estimation of stochastic and temporal (delay) parameters from time-series data and integration of those parameters in automata networks models. This integration allows the parametrisation of the transitions between the states of the system. Then, a statistical analysis of the traces of the stochastic simulation is proposed to compare the dynamics of simulations with the experimental data. Secondly, this thesis develops static analysis by abstract interpretation in the automata networks allowing efficient under- and over-approximation of quantitative (probability and delay) reachability properties. This analysis enables to highlight the critical components to satisfy these properties. Finally, taking advantage from the previous developed static analyses for the reachability properties in the qualitative point of view, and from the power of logic programming (Answer Set Programming), this thesis addresses the domain of control of system by proposing the identification of bifurcation transitions. Bifurcations are transitions after which the system can no longer reach a state that was previously reachable
Benali, Khairidine. "Commande d'un système robotisé de type torse humanoïde pour le transport de colis de taille variable." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMLH22.
Повний текст джерелаIn logistics warehouses, automation in the sense of robotization is frequently being employed to cut down production times by efficiently managing the processes of picking heavy loads, place, pack and palletize, while reducing the risks and errors to improve the working conditions of human operators along the way. The flexibility of human is fundamental for order preparation owing to adaptive skills for task variation, but at the same time increasing productivity is complemented with fatigue (musculoskeletal disorders). In this context the research presented in this thesis is a contribution in the robotization of palletization operations requiring exceptional versatility of manipulation and gripping. We have proposed an innovative solution of utilizing a humanoid torso equipped with two manipulator arms with adaptive grippers to grasp and hold the objects of variable size and mass. The main contribution of research is the development of a hybrid Force / Position-Position control law with commutation and estimation of the object surface slip, while taking into account the compliance and correction of the clamping force during handling. The execution of the control involves the collaboration of the two arms for coordinated manipulation and adaptation to the material and the human environment (cobotics)
Hessami, Mohammad Hessam. "Modélisation multi-échelle et hybride des maladies contagieuses : vers le développement de nouveaux outils de simulation pour contrôler les épidémies." Thesis, Université Grenoble Alpes (ComUE), 2016. http://www.theses.fr/2016GREAS036/document.
Повний текст джерелаTheoretical studies in epidemiology mainly use differential equations, often under unrealistic assumptions (e.g. spatially homogeneous populations), to study the development and spreading of contagious diseases. Such models are not, however, well adapted understanding epidemiological processes at different scales, nor are they efficient for correctly predicting epidemics. Yet, such models should be closely related to the social and spatial structure of populations. In the present thesis, we propose a series of new models in which different levels of spatiality (e.g. local structure of population, in particular group dynamics, spatial distribution of individuals in the environment, role of resistant people, etc) are taken into account, to explain and predict how communicable diseases develop and spread at different scales, even at the scale of large populations. Furthermore, the manner in which our models are parametrised allow them to be connected together so as to describe the epidemiological process at a large scale (population of a big town, country ...) and with accuracy in limited areas (office buildings, schools) at the same time.We first succeed in including the notion of groups in SIR (Susceptible, Infected, Recovered) differential equation systems by a rewriting of the SIR dynamics in the form of an enzymatic reaction in which group-complexes of different composition in S, I and R individuals form and where R people behave as non-competitive inhibitors. Then, global group dynamics simulated by stochastic algorithms in a homogeneous space, as well emerging ones obtained in multi-agent systems, are coupled to such SIR epidemic models. As our group-based models provide fine-grain information (i.e. microscopical resolution of time, space and population) we propose an analysis of criticality of epidemiological processes. We think that diseases in a given social and spatial environment present characteristic signatures and that such measurements could allow the identification of the factors that modify their dynamics.We aim here to extract the essence of real epidemiological systems by using various methods based on different computer-oriented approaches. As our models can take into account individual behaviours and group dynamics, they are able to use big-data information yielded from smart-phone technologies and social networks. As a long term objective derived from the present work, one can expect good predictions in the development of epidemics, but also a tool to reduce epidemics by guiding new environmental architectures and by changing human health-related behaviours
Colin, Guillaume. "Optimisation du contrôle de la chaîne de traction des véhicules automobiles." Habilitation à diriger des recherches, Université d'Orléans, 2013. http://tel.archives-ouvertes.fr/tel-00917564.
Повний текст джерелаZimmermann, Emmanuel. "Modèles d’optimisation et d’évaluation de système de pilotage intelligent en contexte de flux fortement perturbés par les reprises : application au cas de la société Acta-Mobilier." Thesis, Université de Lorraine, 2019. http://www.theses.fr/2019LORR0098/document.
Повний текст джерелаThis CIFRE thesis comes from a collaboration between Acta-Mobilier, manufacturer of high-end lacquered facades and CRAN. This thesis, which is a continuation of that of Mélanie Noyel, aims to achieve a hybrid control architecture based on control by the product. We chose to take inspiration from a meta-model developed within the CRAN team. This architecture is based on a VSM model, where each level is likely to make decisions on its own scale. The highest level oversees tactical decisions (for example, the production master plan), the lowest level of intelligence is distributed between the products endowed with means of communication and analysis (their intelligence is attributed to the responsiveness of the system because being closer to the need). In intermediate levels, we find on the one hand centralized optimizers to supervise the sub-workshops of the production chain, in order to reach the objectives of consumption, time of adjustments or productivity of the sub-workshops that they supervise. On the other hand, optimizers for specific workstations directly involving the products and information they possess in decision-making. An optimizer of each of the two categories in accordance with the needs defined by the study of the workflow of the company have been realized. A centralized optimizer has been realized for the machining workshop in which the operations relating to the flow and shaping of the shapes of the products are carried out. It is built to make groupings in manufacturing batches and to schedule them to achieve a compromise between minimizing material consumption, machine setting times and minimizing WIP. Sequencing must ensure that clusters, when they are split, enable rapid customer order reform. This constraint is necessary before going to the application phase of the finish. It implements a genetic algorithm solving a multicriteria scheduling problem. To validate our choice of a meta-heuristic as a method of solving the problem, we tried to solve it by an analytical mathematical method and the results obtained confirmed that our decision was reasonable. This optimization was tested on a test platform and provided encouraging results. An implementation made in the company, is used every week for a specific planning. An optimizer of the second category has been studied to manage the case of the lacquer robot, it must provide two client stations having their own families of products but to be shipped on the same dates. In addition, the weak points of this post, namely the significant consumption of lacquer with each change of color and the long waiting time before being able to visualize the products and to know if a defect quality appeared, involving having to redo a cycle complete lacquering. The optimizer uses a non-quality prediction model to evaluate the risks associated with the passage of the next batch to be produced and if it is deemed too high, a process is triggered choosing among the lots present in the queue, the most suitable by considering several factors. This workstation optimizer gathers machine information, products, and queues from downstream workstations to prevent a problem from occurring. It has been implemented on a simulation model. The issue of synchronization of different optimizers has been initiated. Indeed, the production plan generated by the information system gives an acceptable range of passage for the batches in each workshop and the optimizers must respect it. This work will help the company make the transition to the Industry 4.0 era