Dissertations / Theses on the topic 'Systèmes dédiés à l'automatique'
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Pierrot, Philippe. "Mise en oeuvre des processeurs de traitement rapide du signal pour la conception de systèmes dédiés à l'automatique." Nancy 1, 1988. http://www.theses.fr/1988NAN10485.
Full textRenault, Stéphane. "Application de l'automatique au contrôle actif d'écoulements pulsés." Poitiers, 1998. http://www.theses.fr/1998POIT2257.
Full textFantini, Jacques. "Contribution à l'élaboration de systèmes informatiques parallèles matériels et logiciels pour le domaine de l'automatique." Nancy 1, 1991. http://www.theses.fr/1991NAN10185.
Full textNguyên, Duy-Tùng. "Vérification symbolique de modèles à l'aide de systèmes de ré-écriture dédiés." Phd thesis, Université d'Orléans, 2010. http://tel.archives-ouvertes.fr/tel-00579490.
Full textBussenot, Robin. "Rendre agile les tests d'intégration des systèmes avioniques par des langages dédiés." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30128/document.
Full textIn avionics engineering, integration tests are crucials: they allow to ensure the right behavior of an airplane before his first flight, they are needed to the certification process and they allow non-regression testing for each new version of a system, of a software or of a hardware. The design of an integration test is expensive because it involves the implementation of the procedure, the configuration of tools of the bench and the setup of the interfaces of the system under test. With procedure written in natural language, the interpretation of statements of a test during the manual execution can lead to mistakes that are expensive to fix due to accurate actions needed to perform a statement. The formalization and the automation of those procedures allow testers team to focus on the implementation of new test cases. First of all, we introduce Domain Specific Language (DSL) and show how we use it to formalize tests procedures dedicated to a kind of system. Those languages should be able to be use by avionic testers which do not necessarily have programming skills. They allow test automation, while maintaining test intention in the test description. Then, we proposed a BDD (Behavior Driven Development) approach to validate the integration of systems thanks to behavioral scenarios describing the expected behavior of the airplane. Our contribution is a framework which orchestrate DSLs dedicated to integration test of avionic systems in an Agile vision. We named Domain Specific Test Languages (DSTL), languages used by expert testers. For each system (ATA ou Air Transport Association of America) corresponds a DSTL business. A first DSTL about the validation of airflow control systems has been developed as a proof of concept from existing procedures pseudo-formalized. The experimentation has been continued with IMA (Integrated Modular Avionic) calculators for which test procedures are written in natural language and thus are not automatable. From a corpus of procedures, we propose a first empirical process to identify sentence patterns composing the DSTL. The corpus provided is composed by ten procedures totaling 108 test chapters and 252 tests or subtests involving 3708 statements for a total of 250 Word pages. Make Agile integration tests in this context consist to propose a collaborative approach to formalize a DSTL and to integrate it in the orchestration framework to generate automatically the glu code
Tamani, Nouredine. "Interrogation personnalisée des systèmes d'information dédiés au transport : une approche bipolaire floue." Rennes 1, 2012. http://www.theses.fr/2012REN1E003.
Full textToday’s web applications dedicated to trip planning are mainly limited to only one kind of transport service (urban transport, air transport, transport by rail and sea, etc. ). The user is then compelled to build manually his/her trip by combining available transport services. This querying can lead to process huge volumes of data, and can deliver massive responses, in which it is difficult to the user to distinguish the relevant answers from irrelevant ones. In this context, user preferences are considered in the process of retrieval of the best trip. In our case, user preferences are modelled by fuzzy bipolar conditions which associate essential preferences (very important preferences), and minor preferences (less important preferences), and expressed within a relational framework based on a bipolar relational algebra and a relational query language called bipolar SQLf. User preferences play the role of data screening, which we combine to a reasoning mechanism made of a description logic extended to m-ary relations and fuzzy bipolar conditions, so that only the most relevant data is targeted to evaluate user queries. We introduce in this thesis, a new approach for personalized querying of information systems dedicated to multimodal transport network, based on fuzzy bipolar preferences and ontologies. The objective is to provide users with means to combine automatically, in personalized and flexible way, several transport networks in order to plan their preferred trips. Preliminary results point out the potentialities of our approach in the development of new kind of personalized user services
Déjardin, Romain. "Récepteurs itératifs dédiés à la correction de saturation pour les systèmes OFDM." Reims, 2010. http://theses.univ-reims.fr/sciences/2010REIMS005.pdf.
Full textDespite the fact that multi-carrier signals amplification is pratically difficult due to their Gaussian-like distribution and the non-linear behaviour of power amplifiers, the orthogonal frequency division multiplexing (OFDM) modulation has been successfully brought in many communication standards for wired and wireless tranmsissions. However, the high peak-to-average power ratio (PAPR) of OFDM signals stands for the OFDM major drawback. Several strategies can be cited to manage the PAPR at transmitter side. However, most of them are computationally expensive and need a dedicated process at receiver relying on side information transmission. The deliberate amplitude clipping and filtering before amplification is an easy way to restrain PAPR at a desired level. If the out-of-band noise caused by clipping can be easilly discarded by filtering, the in-band distortion noise, also refered as clipping noise, must be mitigated at receiver side in order to restore the transmission performance. In this Thesis, we propose a wide review of both PAPR and clipping. We also give an analytical performance analysis of OFDM systems running under clipping constraint. Channel capacity and bit error rate are derived and conclusions are given. Afterwards, dedicated techniques mitigating clipping effects are studied. Clipping noise cancellation and decision aided reconstruction are especially reviewed. We also propose a complete comparison of these techniques and give an increased performance version of the first one. Finally, we propose a new scheme dealing with code word bits a posteriori probability enhancement. This soft decision is based on a suboptimal maximum likelihood (SML) detection using a limited neighbour signals to perform the transmitted code word detection. Actually, the receiver performance study shows that the algorithm can operate under severe clipping ratio constraint and is able to perform close to the non-clipped transmission case over both AWGN and frequencyselective channels
Hallak, Elwan Hamza. "Systèmes optiques dédiés à la 5° génération de réseaux sans fils (5G)." Thesis, Université Grenoble Alpes (ComUE), 2017. http://www.theses.fr/2017GREAT047/document.
Full textThis thesis is for the development of future devices, systems and networks supporting the 5th Generation (5G) high-speed wireless internet. The demand for very high bit rate requires a sufficient large bandwidth, and therefore Millimeter-Wave (mm-wave) frequency band has a lot of interest. Several number of technologies will need to converge, co-exist and interoperate, and most importantly, cooperate, if this vision is to be efficiently and cost-effectively realized. The main concept within this next 5G is the integration of optical fiber networks and radio networks through Radio-over-Fiber (RoF) technology at mm-wave frequencies, to provide high-bandwidth front/backhaul services and enable scalable and manageable networks without a highly complex interface structure and multiple overlaid protocols.In this thesis, the mm-wave RoF communication systems are theoretically studied and experimentally demonstrated to investigate the system impairments. The work presented in this thesis is focused on optical noise represented by phase and intensity noise induced by optical source and chromatic dispersion introduced by optical fiber. The optical noise is analyzed and measured for different optical generation techniques. Two different down-conversion stages, mixer and envelope detector, are applied for signal processing and to decorrelate phase and intensity noise. We would like to highlight that this study and the model can be applicable toany kind of optical heterodyne generation system and any frequency range. The correlation among optical modes in optical frequency comb is examined to show the impact of chromatic dispersion. This thesis also exhibits the mm-wave power distribution over fiber span and how the chromatic dispersion effect on the RoF network is modified by varying dispersion parameters. Then, this thesis demonstrates how the optical phase decorrelation induced by chromatic dispersion results in mode partition noise at mm-wave RoF communication networks.When transmitting some types of data over the system, the results demonstrate the impact of optical noise and chromatic dispersion on the signal quality. The simulation results are presented and are in very good agreement with experimental results. The error vector magnitudethrough online process shows the impact of the system impairments on the system performance. The data rate and system evolution are compliance with communication standards at mm-wave
Blouin, Arnaud. "Un modèle pour l'ingénierie des systèmes interactifs dédiés à la manipulation de données." Phd thesis, Université d'Angers, 2009. http://tel.archives-ouvertes.fr/tel-00477735.
Full textBarloy, Yann. "Conception et développement d'outils dédiés aux systèmes réflexifs : application à la reconnaissance de manoeuvres automobiles." Troyes, 2008. http://www.theses.fr/2008TROY0023.
Full textDuring my thesis entitled "Design and development of tools dedicated to reflexive systems. Application to car maneuvers recognition. "I developed an inference engine, called Reflexive System Inference Engine (RSIE), based on a hybrid between RETE networks filter method to combine performance and flexibility of application. RSIE structure allows it to create systems which not only interact with their environment but also with their own knowledge allowing them to self-edit according to solve problems, known as reflexive systems. I applied this engine to CASSICE project (Caractérisation Symbolique des SItuations de ConduitE) and more particularly to the rule-based system IDRES. IDRES rules have been translated into RSIE formalism and the adding a of knowledge management metarules to implement a time t have improved IDRES performances in terms of speed of execution and in terms of resources occupation. By its nature, RSIE can be applied to other areas and this is part of my perspectives
Sadeghi, Mohsen. "Gestion dynamique des règles métiers dans les systèmes d'information dédiés à la conception collaborative." Phd thesis, Grenoble INPG, 2008. http://tel.archives-ouvertes.fr/tel-00587412.
Full textYoo, Hyun-Jae. "Analyse et conception de scanners laser mobiles dédiés à la cartographie 3D d'environnements urbains." Phd thesis, École Nationale Supérieure des Mines de Paris, 2011. http://pastel.archives-ouvertes.fr/pastel-00579965.
Full textJouve, Wilfried. "Approche déclarative pour la génération de canevas logiciels dédiés à l'informatique ubiquitaire." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2009. http://tel.archives-ouvertes.fr/tel-00402605.
Full text– Nous proposons l'approche DIAGEN qui permet, à partir de spécifications d'architectures logicielles ubiquitaires, de générer du support de programmation et un ensemble de vérifications dédiés au développement d'applications ubiquitaires. Ces spécifications reposent sur un langage déclaratif, appelé DIASPEC, qui permet de décrire les types de services composant les applications ubiquitaires cibles. Le compilateur DIASPEC vérifie la cohérence des spécifications et génère, à partir de celles-ci, des canevas de programmation dédiés. Les canevas de programmation générés garantissent l'intégrité des communications d'applications dynamiques.
– Nous avons développé DIASIM, un simulateur pour tester à l'exécution, le comportement des applications développées avec l'approche DIAGEN. DIASIM permet de tester les applications sans les modifier et d'intégrer incrémentalement des services réels dans les scénarios de simulation.
– Nous avons montré que l'approche DIAGEN permet davantage de vérifications statiques tout en gérant la dynamicité des environnements ubiquitaires et en permettant une plus grande concision des applications développées. Nous avons analysé les canevas de programmation générés pour la gestion de réunion, l'immotique et la téléphonie.
Benoit, Nicolas. "Etude des compilateurs "back-end" spécifiques pour les processeurs dédiés des systèmes multi-processeurs sur puce." Versailles-St Quentin en Yvelines, 2012. http://www.theses.fr/2012VERS0002.
Full textIn order to maintain the continuous growth of the performance of computers while keeping their energy consumption under control, the microchip industry develops architectures capable of processing more and more tasks concurrently. Thus, the next generations of microprocessors may count hundreds of independent cores that may differ in their functions and features. As an extensive knowledge of their internals cannot be a prerequisite to their programming, these forthcoming computers necessitate the compilation flow to evolve. In this thesis, through the presentation of an extension of the GCC compiler, we propose several axes of evolution for the part of a compiler which adapts the input program to the target architecture. In order to analyze and transform a program, we describe first an intermediate representation that offers a hierarchical view of the parallelism available. Then, we put the emphasis on the characterization of the detected parallel constructs, and the information gathered are used in new static scheduling technique which can deal with multiple levels of parallelism. We also address dynamic scheduling and code generation for heterogeneous architectures such as the IBM Cell BE and computers featuring a NVIDIA accelerator. The underlying execution model is supported by a programming framework and a performance predictor which can adjust the execution scheme on the fly. We conclude with an experimental evaluation of all our contributions, thus confirming their relevance in a functional compilation flow for massively parallel architectures
Nasri, Nejah. "Étude, simulation et caractérisation électronique et protocolaire de modules RFID dédiés à une communication en milieu aquatique." Toulouse 2, 2010. http://www.theses.fr/2010TOU20093.
Full textThe originality of our study concerns the proposal, simulation, and characterization of an identification system using the acoustic medium. Overall, the expected work is to develop an RFID (Radio Frequency Identification) communication platform whose physical layer and protocol will be adapted to a transmission in aquatic environments. The application areas are rich and multi domains, both at sea level (detection and monitoring of pollution, underwater animals) and public (intelligent monitoring)
Zannas, Konstantinos. "Développement de capteurs RFID passifs dédiés au monitoring des groupes alternateurs." Thesis, Université Grenoble Alpes (ComUE), 2019. http://www.theses.fr/2019GREAT119.
Full textIn the context of the Internet of Things and the industrial revolution 4.0, new technologies are expected to offer solutions in several industrial related problems. The RFID technology and its evolution to a sensing solution is very promising and could potentially find application in the industrial environment. The work of this thesis was carried out in the context of Innov’Hydro project with the participation of several academic and industrial partners. The main goal of the Innov’Hydro project was to explore new sensing solutions for the harsh industrial environment of hydroelectric power-plants and especially in the interior of the generators. The bulky generators of the power-plants are susceptible to break downs due to the oxidation of high current conducting parts. One solution to avoid such break downs is to monitor the temperature and/or the deformation in the interior of the generators and especially of the vulnerable parts. In order to monitor these parts, the small size, the high accuracy and a potential passive operation of the sensors are critical attributes of the sensing solution. All these attributes can be found in the UHF RFID technology and the recently introduced concept of sensor-tags. Therefore, by utilizing novel RFID sensor-tag designs and RFID configurations, the possibility of temperature and stress sensing in the real environment of the hydroelectric power-plants is explored in depth. A series of measurements and tests are conducted in both laboratory and real industrial environment with promising results
Chis, Andréea. "Méthodes et outils pour la compilation et l'optimisation logicielle des systèmes embarqués sans fil dédiés à des applications." Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2012. http://tel.archives-ouvertes.fr/tel-00768830.
Full textEtxeberria-Otadui, Ion. "Sur les systèmes de l'électronique de puissance dédiés à la distribution électrique – Application à la qualité de l'énergie." Phd thesis, Grenoble INPG, 2003. http://tel.archives-ouvertes.fr/tel-00382761.
Full textBoisclair, Guy. "Évaluation de la performance de calcul répartis par fragmentation en banques de calcul sur des systèmes non-dédiés." Thèse, Université du Québec à Trois-Rivières, 2005. http://depot-e.uqtr.ca/1438/1/000129911.pdf.
Full textChis, Andreea. "Méthodes et outils pour la compilation et l'optimisation logicielle des systèmes embarqués sans fil dédiés à des applications." Thesis, Lyon, École normale supérieure, 2012. http://www.theses.fr/2012ENSL0708.
Full textWireless Sensor Networks are are highly constrained in resources: computation, memory and energy. In this context, particular attention must be paid when designing applications, communication protocols and operating systems that will run on the sensor nodes. The purpose of this thesis was to adapt the software models conventionally used for programming applications to the field of sensor networks and to propose methods and tools to build a customized version of the software to run on the sensor nodes from a model of the application.One of the components of a micro-sensor that consumes the most energy is its radio interface. The behavior of a MAC layer protocol can be expressed as a timed automaton with fixed states (which correspond to specific states of the physical device) or free states ( the choice for their mapping is left to the programmer). The behavior of a radio device itself can be expressed as an automaton consisting of transitional (with fixed duration) and non-transitional states (with unlimited duration but with a minimum time duration constraint). The problem of mapping a free state of the software of fixed duration on a path of the physical device by minimizing the energy consumed is proven to be NP-complete. A heuristic to map the free states of an automaton corresponding to a software protocol to states or paths between the states of a physical device is proposed. The approach leads to theoretical gains of 60% for the mapping of B-MAC, a MAC layer protocol. For two categories of operating systems dedicated to Wireless Sensor Networks (event model and multi-threaded), code skeletons are generated. The simulations under the Worldsens platform of the multi-threaded code skeleton generated for B-MAC and adapted to Mantis OS confirmed the theoretical gains. Experiments on the real platform SensLab have shown that the optimization in terms of energy does not change the functional performance of the protocol
Makni, Fatma. "Développement d'un outil de simulation 2D - 3D pour l'amélioration de la conception des absorbeurs dédiés aux systèmes de climatisation." Paris 6, 2012. http://www.theses.fr/2012PA066424.
Full textIn today context, environmental impact and energy consumption mitigation, sorption systems appear to be an interesting alternative to vapour compression systems for cold production and air conditioning. However, their development remains difficult because of low competitiveness. This is mainly due to high investment cost and low specific cooling power, when compared to vapour compression systems: few dozens of kW per kg compared to few hundreds of kW/kg. This work focuses on adsorber conception improvement. For this purpose, a 3D numerical model was developed in order to get close to real adsorber geometrical configurations. From COP and specific cooling power estimation, we have studied the influence of various parameters. Theses parameters concern the geometry (type of heat exchanger used for the adsorber, fin density, etc. ), adsorption couple, and operating conditions (heat source temperature). Various trends, which can be partially generalized, have been identified
Miaoulis, Georges. "Contribution à l'étude des systèmes d'information multimédia et intelligent dédiés à la conception déclarative assitée par l'ordinateur : Le projet MultiCAD." Limoges, 2002. http://www.theses.fr/2002LIMO0060.
Full textThis study is concerned with design systems of decomposable complex physical entities aiming to studying the architecure of an intelligent multimedia information system for computer-aided design
Benzaim, Oussama. "Techniques multi-port pour la conception et la réalisation de systèmes micro-ondes dédiés à l'évaluation non destructive de matériaux." Thesis, Lille 1, 2009. http://www.theses.fr/2009LIL10031/document.
Full textNon Destructive microwave Testing (NDT) consists in examining a material so that after testing, its future use is not affected. Such characterization is usually achieved through the measurement of reflection and/or transmission properties of the material under test by a vector network analyzer. However, this type of equipment is oversized in terms of measurements abilities and cost for a use outside the laboratory. In order to overcome this limitation, we have developed, with a view to low cost, systems based on the six-port technique. In particular, a dual four-port reflectometer is developed for the measurement of reflection and transmission parameters of passive devices in the frequency range of 55 - 65 GHz. In addition, we have proposed complete solution which integrates hardware and software resources allowing the development of specialized systems in the field of microwave characterization. The added software solutions, based on artificial neural networks contribute to satisfy the needs of a non-destructive, quantitative evaluation. Finally, in order to perform characterization of defects whose dimensions are smaller than the wavelength, a mm-wave microscope formed by the mm-wave system and associated with an evanescent wave probe has been proposed. This ensemble reveals changes in magnitude and phase reflection coefficients of the material under test, allowing non-contact measurements. ___________________________________________________________________________
Ben, Khedher Anis. "Amélioration de la qualité des données produits échangées entre l'ingénierie et la production à travers l'intégration de systèmes d'information dédiés." Thesis, Lyon 2, 2012. http://www.theses.fr/2012LYO20012.
Full textThe research work contributes to improve the quality of data exchanged between the production and the engineering units which dedicated to product design and production system design. This improvement is qualified by studying the interactions between the product life cycle management and the production management. These two concepts are supported, wholly or partly by industrial information systems, the study of the interactions then lead to the integration of information systems (PLM, ERP and MES).In a highly competitive environment and globalization, companies are forced to innovate and reduce costs, especially the production costs. Facing with these challenges, the volume and frequency change of production data are increasing due to the steady reduction of the lifetime and the products marketing, the increasing of product customization and the generalization of continuous improvement in production. Consequently, the need to formalize and manage all production data is required. These data should be provided to the production operators and machines.After analysis the data quality for each existing architecture demonstrating the inability to address this problem, an architecture, based on the integration of three information systems involved in the production (PLM, ERP and MES) has been proposed. This architecture leads to two complementary sub-problems. The first one is the development of an architecture based on Web services to improve the accessibility, safety and completeness of data exchanged. The second is the integration architecture of integration based on ontologies to offer the integration mechanisms based on the semantics in order to ensure the correct interpretation of the data exchanged. Therefore, the model of the software tool supports the proposed solution and ensures that integration of data exchanged between engineering and production was carried out
Abou, Dib Ali. "Une approche formelle de l'interopérabilité pour une famille de langages dédiés." Phd thesis, Université Paul Sabatier - Toulouse III, 2009. http://tel.archives-ouvertes.fr/tel-00466580.
Full textLopez, de Heredia Bermeo Amaia. "Commande avancées des systèmes dédiés à l'amélioration de la qualité de l'énergie : de la basse tension à la montée en tension." Grenoble INPG, 2006. http://www.theses.fr/2006INPG0150.
Full textThe present PhD deals with the control of power eIectronic devices for power quality systems. Different advanced digital control structures (integrator based controllers, Dead-Beat control, Space Veètor Modulation - Direct Power Control) have been analysed and compared, in theory and in practice, for muIti-frequency applications such as shunt power active filtering. Ln the first part a study in low voltage has been carried out. Afterwards, in view of the evolution of power electronics towards higher power applications, the anaIysis has been focused on the consequences and restrictions that find power electronic converters in a medium voltage application context. The most important restrictions are related to semiconductors limitations (in terms of current, voltage and especially switching frequency). Ln addition, very powerful control structures are necessary in order to overcome as much as possible these limitations and make the best of these converters
Mercadal, Julien. "Approche langage au développement logiciel : application au domaine des systèmes d’informatique ubiquitaire." Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14315/document.
Full textThe sheer size and complexity of today's software systems posechallenges for both their programming and verification, making itcritical to raise the level of abstraction of software developmentbeyond the code. However, the use of high-level descriptions in thedevelopment process still remains rudimentary, improving and guidingthis process marginally.This thesis proposes a new approach to making software developmentsimpler and safer. This approach is based on the use ofdomain-specific languages and a tight coupling between a specificationand architecture layer, and an implementation layer. It consists ofdescribing functional and non-functional aspects of a software systemat a high level of abstraction, using the specification andarchitecture layer. These high-level descriptions are then analyzedand used to customize the implementation layer, greatly facilitatingthe programming and verification of the software system.We have validated our approach in the domain of pervasive computingsystems development. From a complete domain analysis, we haveintroduced two domain-specific languages, Pantaxou and Pantagruel,dedicated to the orchestration of networked smart devices
Saba, Rita. "Caractérisation et conception de tags RFID-UHF dédiés aux produits textiles." Thesis, Aix-Marseille, 2013. http://www.theses.fr/2013AIXM4783.
Full textThis thesis is part of a collaboration between the company Tagsys and IM2NP, under the PACID-TEXTILE project. The aim of the thesis is to create a robust UHF RFID tag antenna that can be easily and discreetly integrated into textile products.The idea is to design two antennas electromagnetically coupled and adapted for selected chips. Both antennas are designed to facilitate the coupling between them. The first antenna is packaged in a robust material in order to protect the chip from laundry cycles. The second antenna is made up by electro-thread. The first part of the work is to characterize the packaged antenna and packaging material. The second part is to measure the conductivity of the used thread, to establish the most accurate model possible. Tests of wire resistance are also made. Toughness of each wire is also tested.The third part deals with the antenna design. The tags are designed to have a minimum range of 4m. They have to resist deformation and stacking. These tags are subjected to various tests to determine their performance. Using resources available in the laboratory IM2NP (RFID platform), a "Benchmarking " is carried on different tags to find the best that meet the requirements of the specifications
Bellache, Kosseila. "Caractérisation Multi-physique des éléments de stockage électrochimique et électrostatique dédiés aux systèmes Multi sources : Approche systémique pour la gestion dynamique d'énergie électrique." Thesis, Normandie, 2018. http://www.theses.fr/2018NORMLH21.
Full textThis thesis work is a continuation of the research activities of the GREAH laboratory on the issues of the management of electrical energy and improving the energy quality of production systems for renewable energy. Indeed, the coupling of several different nature sources entails the problems of dimension, quality of energy and the lifetime of the interconnected elements. The scientific approach is based on the characterization of the evolution of the resistances and capacitances of the batteries/supercapacitors cells according to the electrical and thermal constraints, followed by the modeling of accelerated cells aging. In this thesis, we propose improvements to the dynamic response of an electric propulsion fluvial boat by using the hybrid system of lithium-batteries and supercapacitors. We also propose an electrothermal approach for the multi-physical characterization and modeling of the batteries and supercapacitors aging, using combined constraints of the temperature and frequency of the DC current ripples. The experimental data has been collected to establish models of batteries and supercapacitors dedicated to multi-source systems including renewable energy sources (wind and tidal turbines). The results of the developed models shown high accuracy compared with experimental results. These models illustrated a good description of the aging phenomenon of batteries/ supercapacitors due to charging/discharging operations with a fluctuating continuous current combined with a variable temperature
Jaber, Alain. "Un système d'agents logiciels intelligents pour favoriser la coopération entre des systèmes d'aide à la décision dédiés à la prévention des risques naturels." ENSMP, 1999. http://www.theses.fr/1999ENMP0901.
Full textViero, Yannick. "Développement de systèmes fluidiques dédiés à la manipulation d'ADN dans des réseaux de nanoplots : étude à l'échelle de la molécule unique et application à la séparation." Phd thesis, INSA de Toulouse, 2011. http://tel.archives-ouvertes.fr/tel-00660356.
Full textAoues, Saïd. "Schémas d'intégration dédiés à l'étude, l'analyse et la synthèse dans le formalisme Hamiltonien à ports." Thesis, Lyon, INSA, 2014. http://www.theses.fr/2014ISAL0121/document.
Full textThis thesis work dealing with finite dimensional approximation of infinite dimension system. The class considered is that of Hamiltonian systems in ports. We study initially ordinary differential equations systems. Based on an energy integrator, we define a class of discrete passive dynamics is invariant interconnection. We obtain the stability conditions (LMI) for dynamic network in the presence of delays and uncertainties, and propose a method of stabilizing energy synthesis. These developments were experimentally validated by the implementation of an energy control a power converter (Buck). We then study the Hamiltonian formalism in infinite dimensions. We offer an approximation that combines a semi-discretization and an energy integrator. The mixed composability is studied and a method of synthesis IDA-PBC was developed. All the obtained results are numerically illustrated in the manuscript
Saliva, Marine. "Circuits dédiés à l'étude des mécanismes de vieillissement dans les technologies CMOS avancées : conception et mesures." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4337.
Full textIn the circuit development, specific attention must be paid to the MOS device reliability as a building block as well as a prototype reference circuit (CMOS) during the technology development. At device level, the different degradation mechanisms are characterized. In the final prototype, the product is characterized in accelerated aging conditions, but only the macroscopic parameters can be extracted. One objective of this thesis has been to link the circuit or system reliability and its building blocks. Also, the second important point has consisted in the development of 'smart' test solutions to improve testability and gain up structures so as to highlight the circuits aging monitoring and degradation compensation. Another family of ‘smart’ solutions has involved reproducing directly in the structure the excitement or the actual configuration as it is seen by elementary circuits or devices during their usage life (lab in situ)
Khalifeh, Rania. "Développement de résonateurs hyperfréquences pour la réalisation de capteurs sans puce dédiés à la maintenance prédictive des infrastructures." Thesis, Brest, 2016. http://www.theses.fr/2016BRES0071/document.
Full textCorrosion and material degradation are major problems that economically impact many areas of activity. This degradation depends on many environmental parameters. In this context, monitoring the degradation of materials is crucial. The objective of this thesis is to develop materials degradation sensors that are chipless and wireless. For that purpose, this work will be based on passive RFID (Radio Frequency Identification). We present different resonators sensitive to the degradation and corrosion of materials. These are often linked to the presence of water in the environment; part of the thesis concerns the monitoring of the absorption in organic coatings and concrete. In order to correlate the presence of water with a degradation of the metal present in the dielectric, a resonator sensitive to the corrosion potential is then proposed. Finally, a study on the detection of dissolved salts in the medium is performed by this type of technique. Following these results, a shorter part of the realization of a demonstrator in the authorized ISM band at 2.45 GHz is presented. It provides a discussion about the use of this type of sensor in real situations
Zhang, Bo. "Sur la commande à retour d'effort à travers des réseaux non dédiés : stabilisation et performance sous retards asymétriques et variables." Phd thesis, Ecole Centrale de Lille, 2012. http://tel.archives-ouvertes.fr/tel-00733141.
Full textTran, Thanh phong. "Stratégies de commande pour déplacer une meute de capteurs dédiés à l'identification de sources chauffantes mobiles." Thesis, Angers, 2017. http://www.theses.fr/2017ANGE0015/document.
Full textMany complex physical systems are modeled using systems of partial differential equations including possibly coupling and non-linearity. In this context, the determination of control strategies (in infinite dimension) in order to achieve a desired state is not trivial. It is obvious that quasi on-line identification of characteristics of the physical system from information provided by relevant sensors is quite complex. This optimization problem is often formulated as an inverse problem, whose resolution raises many specific questions. To illustrate the problem of the moving of a set of mobile sensors to identify a term source in parabolic partial differential equations, an experimental device is proposed in this study. Both phenomena of convection and diffusion (possibly non-linear) are taken into account. The work described in this document is intended to develop a comprehensive methodology to achieve an optimal design of experiments for nonlinear ill-posed problems associated with the evaluation of unknown parameters in systems described by partial differential equations. The experimental prototype is intended to test the performance of strategies for optimal deployment of a mobile set of sensors to identify parameters of multiple heating sources in movement
Mercadal, Julien. "Approche langage au développement logiciel : application au domaine des systèmes d'informatique ubiquitaire." Phd thesis, Université Sciences et Technologies - Bordeaux I, 2011. http://tel.archives-ouvertes.fr/tel-00654268.
Full textChrisment, Isabelle. "Étude et développement d'applications distribuées dans l'architecture ALF." Nice, 1996. http://www.theses.fr/1996NICE4973.
Full textNguyen, Thi Thanh Tam. "Codèle : Une Approche de Composition de Modèles pour la Construction de Systèmes à Grande Échelle." Phd thesis, Université Joseph Fourier (Grenoble), 2008. http://tel.archives-ouvertes.fr/tel-00399655.
Full textOrgerie, Anne-Cécile. "An Energy-Efficient Reservation Framework for Large-Scale Distributed Systems." Phd thesis, Ecole normale supérieure de lyon - ENS LYON, 2011. http://tel.archives-ouvertes.fr/tel-00672130.
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