Dissertations / Theses on the topic 'Modélisation mécatronique'
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Forget, Florent. "Modélisation et contrôle d'actionneurs pour la robotique humanoïde." Thesis, Toulouse 3, 2018. http://www.theses.fr/2018TOU30342.
Full textHumanoid robotics actuation and control is complex as this field has specific needs. This involves the design of advanced mechatronic constructions. In this thesis, we focused on the humanoid robots actuation and paid particular attention to systems with good compliance capabilities. Compliance refers to the ability of the system to adapt to its environment by adopting a flexible behaviour. This feature is particularly sought after for human-robot interactions and to make contacts between the robot and its environment smoother. We studied two systems in detail : the first is a system based on Mckibben's artificial pneumatic muscles and the second is an electric cable driven actuator with flexibility. We have developed and implemented a control architecture for the control of both systems. The interest of this architecture lies in its generic nature and in its use within a model predictive control scheme. We then studied the thermal behaviour of an actuator in order to exploit the full potential of this system while ensuring its integrity. Finally, we have carried out developments to improve the joint torque control of the humanoid robot Talos
Hubert, Arnaud. "Contribution à la modélisation des systèmes mécatroniques et micro-mécatroniques." Phd thesis, Université de Franche-Comté, 2010. http://tel.archives-ouvertes.fr/tel-00573375.
Full textDemri, Amel. "Contribution à l'évaluation de la fiabilité d'un système mécatronique par modélisation fonctionnelle et dysfonctionnelle." Phd thesis, Université d'Angers, 2009. http://tel.archives-ouvertes.fr/tel-00467277.
Full textCharlot, Jean-François. "Logistique de la modélisation en conception de systèmes multi-technologiques." Bordeaux 1, 2005. http://www.theses.fr/2005BOR13118.
Full textLy, Rith. "Modélisation multi-physique d'actionneurs piézoélectriques et essais d'assistance au forgeage." Thesis, Metz, 2010. http://www.theses.fr/2010METZ015S/document.
Full textThe work presented concerns the modelling of piezoelectric actuators used as a generator of mechanical vibrations for assistance in shaping bulk materials. The multilayer actuator is set in clamped-free mode and only the direction of longitudinal displacement is considered in the context of this research. The modelling is based on the application of Hamilton principle to establish the equations of motion of the global system. The analytic approach uses a modal composition to solve the equations of operation of the piezoelectric actuator. A transfer function of Multiple-Input Multi-Output (MIMO) systems permits the analysis of the responses in time and frequency domains. The difficulty of the analytical model is to recalculate all the modal data when the boundary conditions are changed. A finite element approach placed along the longitudinal direction of the actuator is also developed. Compared to the analytical model, a study of the accuracy of finite element model function of the number of elements is performed. The two models developed are then coupled to a simplified analytical model of the forging process based on viscoplastic laws in order to model the entire process subject to mechanical vibrations. The main advantage of this model lies in the ability to analyze and optimize the entire process actuator. A comparison between the finite element simulations under Forge2008®, the coupling model and experimental tests is presented. During testing, the piezoelectric actuator fed by Pulse Width Modulated voltage inverter vibrates the lower die at amplitudes ranging from 0 to 80 um and frequencies between 10 and 130Hz. The comparison of experimental results and simulations in the case of upsetting process is encouraging. The modelling of the behaviours of the experimental device constitutes a basic element of a future design tool of vibrating mechanical devices
Ben, messaoud Yethreb. "Modélisation analytique du couplage multi-physique magnétique-thermique dans la phase de préconception d'un système mécatronique." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLC079/document.
Full textDuring the design phase, the different engineering teams make multiple FE simulations dealing with various physical behaviours in order to ensure both verification and validation.However, the unsatisfactory results lead to late changes and hence to long iterations and increasing costs.In order to tackle this problem, it is essential to take into account the geometrical and multi-physical constraints in the complex system architecture since the conceptual design phase.In fact, a process called SAMOS is developed aiming at selecting the most adequate 3D multi-physical architecture while ensuring an efficient collaboration between the engineering teams. Moreover, this framework is based on two SysML extensions which allow the enrichment of the architecture with geometrical and multi-physical data.Furthermore, this thesis focuses on magnetic constraints and magnetic-thermal coupling.Since this phase does not support long FE simulations, the analytical models based on simplified geometries are sufficient to provide satisfactory approximate results.In this context, different analytical models are studied and validated through FE simulations and measures for several cases such as NdFeB permanent magnets. Indeed, the temperature rise does not only decrease the remanent flux density but is able also to cause irreversible losses. In fact, once we go back to the initial temperature, the characteristics of the magnet are modified. The different factors impacting the demagnetization process are discussed.Besides, the temperature impact on brushless motors’ performances is studied since this device represents a complex mechatronic system
Miladi, Chaabane Mariem. "Modélisation géométrique et mécanique pour les systèmes mécatroniques." Thesis, Châtenay-Malabry, Ecole centrale de Paris, 2014. http://www.theses.fr/2014ECAP0004/document.
Full textThis thesis focuses on the application of a topological approach for the modeling of mechatronic systems. This approach makes it possible to separate the topology and the physics in order to have a unified representation model for all the physics of mechatronic systems. The developed topological approach is coded in the MGS language (General System Model). This language includes new types of values called topological collections. Topological collections allow the representation of the state of a dynamic system and they are manipulated by transformations. In this approach, the topological collections are used to present the topology of the studied system that is to say the interconnection law of its components and transformations are used to specify the local behavior law of each of these components. First of all, this topological approach is applied to planar and space bar structures and then generalized to planar and space beam structures. Finally, it is extended to the modeling of complex mechanical systems by studying the case of piezoelectric structures (piezoelectric stack and piezoelectric truss structure) and the case of a single stage spur gear. Since this work achieved good reliable results, it would be interesting to extend this approach to more complex mechatronic systems by integrating computers and automatic
Ben, Said Amrani Nabil. "Evaluation de la fiabilité d’un système mécatronique en phase de développement." Thesis, Angers, 2019. http://www.theses.fr/2019ANGE0024.
Full textReliability analysis of mechatronic systems is one of the most dynamic fields of research. This analysismust be conducted during the design phase, in order to model and to design safe and reliable systems.After presenting some concepts of mechatronic systems and of dependability and reliability, we presentan overview of existing approaches (quantitatives and qualitatives) for the reliability assessment and wehighlight the perspectives to develop. The criticality of mechatronic systems is due, on one hand, to multi-domain combination (mechanical, electronic, software), and, on the other hand, to their different functionaland dysfunctional aspects (hybrid, dynamic, reconfigurable and interactive). Therefore, new approaches fordependability assessment should be developped. We propose a methodology for reliability assessment inthe design phase of a mechatronic system, by taking into account multi-domain interactions and by usingmodeling tools such as Petri Nets and Dynamic Bayesian Networks. Our approach also takes into accountepistemic uncertainties (uncertainties of model and of parameters) by using an evidential network adaptedto our model. Our methodology was applied to the reliability assessment of an "intelligent actuator" fromPack’Aero
Lozada, José. "Modélisation, contrôle haptique et nouvelles réalisation de claviers musicaux." Palaiseau, Ecole polytechnique, 2007. http://www.theses.fr/2007EPXX0041.
Full textThe traditional acoustic piano action mechanism is composed of many different parts of wood, wool felt, leather, metal, and steel-springs. These parts form a multi-degree-of freedom system that transmits energy from the player to the hammer. In return, the action mechanism generates a specific tactile rendering that is felt by the pianist during playing. The haptic feedback is essential for a precise control of timing and loudness. The action mechanisms used in numerical pianos are much simpler and therefore provide a poor haptic feedback. In the last few years, many developments have been carried out by keyboard manufacturers in order to improve the feeling of touch of their products. Most of these systems are not actively controlled and are based on simplified models of the dynamical behaviour of traditional pianos. According to users, improvements are still required in terms of size, performance and realism of the device. Active systems capable of reproducing the dynamics of traditional piano have been developed as laboratory prototypes and commercial products. They are based on simplified models or pre-recorded dynamics that do not satisfactorily match the dynamical behaviour of the traditional piano key. Moreover, the size of these systems often based on electromagnetic actuators is not suitable for an industrial keyboard implementation. The resistant force provided by the traditional piano action mechanism varies from 0. 5 N (the minimum force that initiates key motion), to 15 N (at fortissimo nuance). Extensive measurements of the kinematics of a grand piano action mechanism indicate that the duration of the key motion varies from 20 to 250 ms depending on the nuance whereas the key velocity varies from 0. 1 m. S−1 to 0. 6 m. S−1. The main objective of this research work is to develop a novel digital keyboard capable of reproducing the behaviour of a grand piano action mechanism. It is composed of two main parts. First, the dynamics of traditional piano is studied, then the design and the control of a novel haptic interface based on magneto-rheological fluids are presented. The dynamic model of the traditional piano action mechanism presented in this thesis takes into account the six degrees of freedom of the system under the hypothesis of rigid bodies. It is completed by the contacts and rotational links elementary models. A set of experimental procedures is used to identify the parameters of the model. Finally, a numerical simulation using Matlab/Simulink is presented. The modelling and the identification of an original operation mode for MR fluids is presented and used for the design of the haptic interface for musical keyboards. An analytical model of the interface key is built and used to develop the control law. The mechatronic model is numerically simulated and compared to the real behaviour of the interface. Finally a real time control loop coupled to a virtual model is used to command the interface (for instance the dynamical model of the traditional piano)
Naud, Olivier. "Modélisation hybride pour la supervision de systèmes mécatroniques : application à la stabilité en pente de machines mobiles." Toulouse, INSA, 2003. http://www.theses.fr/2003ISAT0003.
Full textWe present a design approach for supervision-oriented hybrid models of mechatronic devices. We chose to express the qualitative states taken by such systems in the guise of a finite automaton. We proposed a method to build the automaton from an essentially continuous model. This method relies on our so-called half-causal graph which represents the algebraic and differential complexity of the continuous model. This diagram uses the causal semantics of the bond-graph, which is based on the effort-flow duality. It is annotated with intervals on the variables. Semantic values are attached to these intervals, which we call modalities. We distinguish, in particular, structural modalities, which correspond to limit conditions or changes in the continuous model, and functionnal modalities, which provide the qualitative information on the usage and monitoring. So as to validate this approach, we applied it to the modeling of the bogies of a forest machine. The goal was to prevent the machine from overturning on slopes. Simulations of the whole machine dynamics proved that the discrete model we obtained was very representative of the changes of the instability risk
Hammadi, Moncef. "Contribution à l'intégration de la modélisation et la simulation multi-physique pour conception des systèmes mécatroniques." Phd thesis, Ecole Centrale Paris, 2012. http://tel.archives-ouvertes.fr/tel-00711469.
Full textMihalache, Alin Gabriel. "Modélisation et évaluation de la fiabilité des systèmes mécatroniques : application sur système embarqué." Phd thesis, Université d'Angers, 2007. http://tel.archives-ouvertes.fr/tel-00467950.
Full textGauthier, Jean-Yves. "Modélisation des Alliages à Mémoire de Forme Magnétiques pour la conversion d'énergie dans les actionneurs et leur commande." Phd thesis, Université de Franche-Comté, 2007. http://tel.archives-ouvertes.fr/tel-00258807.
Full textFournier, Laurent. "Contribution à la modélisation d'un véhicule automobile et de son environnement : Algorithmes d'apprentissage pour la commande électronique de boîte de vitesse automatique." Limoges, 1996. http://www.theses.fr/1996LIMO0061.
Full textTounsi, Jihène. "Modélisation pour la simulation de la chaîne logistique globale dans un environnement de production PME mécatroniques." Phd thesis, Chambéry, 2009. http://tel.archives-ouvertes.fr/tel-00563977.
Full textBelhadaoui, Hicham. "Conception sûre des systèmes mécatroniques intelligents pour des applications critiques." Phd thesis, Institut National Polytechnique de Lorraine - INPL, 2011. http://tel.archives-ouvertes.fr/tel-00601086.
Full textAl, achkar Ghida. "Modélisation électromagnétique et homogénéisation de composites tissés pour applications en compatibilité électromagnétique." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLC108/document.
Full textComposite materials are widely used in the automotive industry as structural components. By combining lightness and robust mechanical properties, they are increasigly replacing the conventionnally used metallic alloys, for the manufacturing of vehicle parts. However, the use of composite materials is not without consequences on the electromagnetic behavior of these parts. Since carbon fiber reinforced composites are generally worse conductors of electricity than metals, they interact differently with the electromagnetic waves which surround them. It is therefore important to develop modeling tools to better understand the electromagnetic behavior of composite materials. This is to explain the changes that these materials bring to the distribution of waves, generated by a multitude of external sources, in the vicinity of mechatronic systems. On the other hand, the study of the electromagnetic behavior of composite materials makes it possible to determine the possibility of taking advantage of their attractive mechanical properties in order to further reduce the weight of electromagnetic shielding enclosures while maintaining a level of attenuation in accordance with the standards of the industry. However, numerical modeling of large composite structures, such as shielding enclosures, although conventionally adopted for metal structures, is hindered by the fact that composites exhibit heterogeneities at the microscopic scale. The numerical calculation becomes possible once the composite is replaced by a homogeneous material that exhibits an identical response to an identical electromagnetic solicitation. In this work, we present a homogenization technique, based on finite element simulation and an optimisation method, that computes an estimate of the equivalent electrical properties of unidirectional and woven fiber reinforced composites. The results are then used to simulate the shielding effectiveness of an enclosure constructed by combining composite materials and metallic alloys
Nehaoua, Lamri. "Conception et réalisation d'une plateforme mécatronique dédiée à la simulation de conduite des véhicules deux-roues motorisés." Phd thesis, Université d'Evry-Val d'Essonne, 2008. http://tel.archives-ouvertes.fr/tel-00419371.
Full textKuhm, David. "Contribution à la modélisation et à l'optimisation d'accumulateurs de bandes flexibles, incluant l'étude du frottement bande/rouleau." Thesis, Mulhouse, 2011. http://www.theses.fr/2011MULH4271.
Full textThis study focuses mainly on modeling and optimization of industrial web accumulators. The chapter one presents the nonlinear model of an industrial accumulator including a pneumatic actuated or a motorized carriage. The nonlinear model is then linearized around a working point. This model takes into account nonlinearities of both carriage actuators. The most influent mechanical parameters on the accumulator performances are highlighted and then, classical industrial control strategies are tested on the modeled accumulators. The chapter two concerns the accumulator performances optimization. Firstly, controllers are improved by taking into account the robustness against parameter variations, by using multi-objective controllers optimization or by using new control strategies. All these improvements show drastic performances gain. New accumulator structures including a dancer roll are proposed and improve also the accumulator performances. A performances comparison of the entire presented accumulator is presented at the end of this chapter. The last chapter presents the study of the friction between textile fabric and roll. The friction behavior of a web sliding on a roll is identified. The friction coefficient evolution is experimentally determined for different experimental parameters and kind of webs. These measures have permitted to build a model of a web sliding on a roll. This model, including the friction coefficient and the adherence loss between web and roll highlights the response of the web/roll system against web velocity variation
Jallouli, Mehdi. "Méthodologie de conception d'architectures de processeur sûres de fonctionnement pour les applications mécatroniques." Thesis, Metz, 2009. http://www.theses.fr/2009METZ006S/document.
Full textNowadays, embedded systems are becoming increasingly attractive for many applications. Furthermore, these systems should be more and more dependable. Indeed, systems such as mechatronic or automatically controlled ones often work in harsh environmental conditions making them more prone to errors due to disturbances. Thus, designers should consider ways to protect them against such errors. In this work, a special interest is dedicated to processor architecture dependability as we consider processor-based systems. The stack computer philosophy has been chosen for the processor architecture in order to achieve a good trade-off between simplicity and effectiveness. Our approach to introduce and evaluate the dependability is based on the development and the use of a software emulator of the processor to be designed. Dependability of the processor is ensured through the collaborative use of hardware and software protection techniques: hardware error detection means and software error correction means. The correction technique is implemented in benchmarks and is validated on the emulator through a simulation of various scenarios of errors appearance. Different parameters are evaluated such as correction capability and time overhead. This correction technique is independent from the target application and from the detection means, what confirms the methodological aspect of our approach. Otherwise, as requested by the CIM’tronic project, we integrated our work with the CRAN Nancy/A3SI Metz one by applying the information flow approach on the processor instruction set. We showed the ability of this approach to evaluate the whole processor/application dependability
Lozada, José. "Modélisation, contrôle haptique et nouvelles réalisations de claviers musicaux." Phd thesis, Ecole Polytechnique X, 2007. http://tel.archives-ouvertes.fr/tel-00280538.
Full textLa mécanique d'actionnement communique au marteau le mouvement imposé à la touche par le pianiste. Ce système dynamique complexe formé d'un ensemble de pièces en bois et feutre de laine, liées entre elles par des pivots et des contacts unilatéraux est responsable du toucher. Les pianos numériques actuels sont équipés de mécaniques d'actionnement simplifiées qui produisent un toucher pauvre par rapport à celui d'un piano à queue traditionnel (notamment dans la nuance piano).
L'objectif de ce travail est de concevoir un clavier numérique contrôlé capable de reproduire de manière satisfaisante le toucher d'un piano à queue. Pour cela, nous devons dans un premier temps étudier le fonctionnement de la mécanique traditionnelle puis concevoir et contrôler une interface haptique à base de fluide magnéto-rhéologique capable d'un rendu sensoriel de mêmes caractéristiques que celui d'un piano traditionnel.
Le modèle dynamique de la mécanique traditionnelle a été réalisé en tenant compte de tous les degrés de liberté du système et des comportements des liaisons pivots et des contacts unilatéraux. Un ensemble de procédures expérimentales ont permis de valider les lois de comportement utilisées dans le modèle et d'obtenir la valeur de tous les paramètres de la modélisation. Finalement, nous avons simulé numériquement le comportement du système dans le cas quasi-statique et dynamique à l'aide de Matlab/Simulink.
Par ailleurs, nous avons conçu, modélisé et identifié un nouveau mode opératoire pour fluides magnéto-rhéologiques qui fût utilisé pour la conception de l'interface haptique pour claviers musicaux. L'interface haptique a été modélisée pour obtenir la loi de commande. Cette modélisation a été validée par la comparaison de la simulation numérique du modèle avec les mesures sur le système réel. Finalement nous avons mis en place une procédure de contrôle en temps réel de l'interface qui utilise un modèle virtuel (modèle dynamique de la touche traditionnelle, par exemple) et le modèle de l'interface.
Assaad, Bassel. "Contribution à la prise en compte des aspects thermiques des machines électriques dans un environnement mécatronique." Thesis, Compiègne, 2015. http://www.theses.fr/2015COMP2251/document.
Full textElectric machines play an important role in power conversion in several applications and fields. With the increasing demand for designing lighter and more efficient machines and optimizing the existing structures, thermal analysis becomes a necessary; in fact, the performance of electric machines islimited by the allowable temperatures in many critical components like windings, permanent magnetsand bearings. Two main approaches can be employed in order to study the machine thermal behavior : the lumped parameter thermal network (LPTN) or numerical models. Considering low-computationtime-consuming and the possibility to be integrated in a mechatronics system design, the LPTN method is considered in our study. The latter is mainly applied on electric machine integrated in a complex mechatronics environment. The thermal network is presented along with the definition of the principal elements constituting this network. In fact, an accurate and reliable network strongly depends on many critical parameters like heat transfer coefficients, interface gaps, impregnation goodness, among others. For this reason, different sensitivity analysis techniques are carried out in order to, first, identify the significance of uncertainties in the evaluation of these parameters on machine temperatures and second, to reduce the thermal network. Next, we propose two optimization algorithm-based identification methodologies in order to calibrate results of the thermal network with measured temperatures obtained from a test-bench of a permanent magnet based integrated starter-generator machine. The calibrated model is then integrated in a mechatronics system consisting of an electric model of the electric machine, along with its control strategy and the power converter. This final study allows us to evaluate the impact of the machine temperature rise on the mechatronic system
Boudon, Benjamin. "Méthodologie de modélisation des systèmes mécatroniques complexes à partir du multi-bond graph : application à la liaison BTP-fuselage d’un hélicoptère." Thesis, Paris, ENSAM, 2014. http://www.theses.fr/2014ENAM0064/document.
Full textDue to the operation of the rotor, the helicopter is subject to important vibrations affecting namely the fatigue of mechanical parts and the passengers comfort. The MGB-Fuselage joint equipped with the DAVI system is an anti-vibration system that helps to reduce, in a single frequency way, vibrations transmitted to the fuselage. Semi-active intelligent solutions are studied so that the filtering can be adjusted according to the vibration sources. Such studies suffer from a lack of tools and necessary methods, firstly, for the design of complex mechanical systems and secondly, for the development of an intelligent joint. This work proposes a modeling approach using a structural modeling tool : the multi-bond graph (MBG) which offers a global and modular view for the study of complex mechatronic systems such as helicopter. At first, an analysis of modeling tools leading to the selection of MBG is presented. Secondly, developments have focused on the MBG modeling of the 3D MGB-fuselage joint of an experimental setup which was designed and built in the laboratory. This joint is a mechanical system with kinematic loops. The equations of the dynamics of such system are a differential-algebraic system (DAE) requiring specific solving methods. The MBG model of the MGB-fuselage was simulated using the 20-sim software. The results were verified using the multibody software LMS Virtual Lab. A comparison of results obtained by the two methods led to a very good correlation to various cases of excitations of the MGB (pumping, roll, pitch). Thirdly, the MBG model was used for the establishment of semi-active control system. The model of the DAVI device also developed in 20-sim allows to adjust the position of the moving masses in operation so as to minimize the level of vibration of the fuselage. The control algorithm (gradient algorithm) enables to calculate the setpoint positions of the moving masses on the DAVI beaters. The position of the moving masses driven by an electric DC motor and a screw-nut system is then controlled to the setpoints generated by the control algorithm. Finally, the command could be implemented on a non-linear bond graph model which did not require a linearization to get a transfer function
Berriche, Aroua. "Contribution à l’analyse de cohérence des modèles système, multi-physique et sûreté de fonctionnement." Thesis, CY Cergy Paris Université, 2020. http://www.theses.fr/2020CYUN1105.
Full textThe development of a mechatronic system involves different designers having various viewpoints on the overall system to handle its complexity. Consequently, multiple models are created from a variety of domains such as mechanical, electronic, and software engineering. These models use different formalisms, modeling languages, and tools to address specific concerns. The major challenge of this approach is to identify and solve any potential inconsistency between models in order to minimize costs and development time before the verification and validation phases. This paper proposes a new collaborative methodology to maintain consistency between different engineering disciplines at an early stage of the development cycle of mechatronic systems. We apply a model synchronization approach to actively check for model consistency in a continuous way during the multidisciplinary design process. As a novel contribution of this thesis, we demonstrate how model transformation techniques can be employed; firstly, to abstract various engineering models in a common formalism based on graph theory and, secondly, to update models with appropriate changes evaluated by a project manager. We also show how to detect the differences automatically, and we discuss where designer decisions are essential
Martz, Yannick. "Modélisation et commande de systèmes d'entraînement de bandes flexibles : nouvelles approches à l'aide des éléments finis." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAD016.
Full textRoll-to-Roll systems are used in the manufacturing of a wide variety of everyday products as well as in metallurgy and for the manufacturing of new technologies. The improvement of Roll-to-Roll systems is a difficult problem because they are large, non-linear, with varying and uncertain parameters. They have a coupling between the different parts (mechanical and control) with the help of the web connecting the elements. It is therefore necessary to improve the process line through a multidisciplinary approach. The objectives are to master the key parameters of these systems in order to guarantee the manufacturing rates and the more important accuracies requested. It is also necessary to reduce or remove the most recurring defects such as web wrinkles. Until now, only 1D models were used. They are essential for control synthesis and frequency studies but they do not allow to study complex phenomena such as web wrinkles. A new approach for studying these systems is developed. First, improvements of control structures are proposed. Secondly, a 3D finite element model using a flexible multibody dynamics algorithm is developed, used in this work to study web wrinkles and compared to the classical prediction theory of these defects. Finally, a complete simulator is developed including the mechanical 3D model by finite element coupled to the control part (co-simulation)
Amancea, Ana Maria. "Contributii privind perfectionarea sistemelor mecatronice moderne destinate recuperarii medicale a membrului inferior." Thesis, Lyon, INSA, 2012. http://www.theses.fr/2012ISAL0118/document.
Full textMechatronic systems are widely used in physical rehabilitation of various pathologies, especially of the knee joint, because of their multiple benefits. Although the literature notes a variety of such kind of systems, we can say that, they still have many technical problems and deficiencies and currently there is no device which is able to fully satisfy the need of patient recovery. In this context, the general objective of this thesis was focused on researching, designing and implementing an original mechatronic rehabilitation of the knee joint. The developed system is intended for all social groups and is a modern alternative to traditional medical rehabilitation. The rehabilitation mechatronic system was implemented as an original solution, integrated, efficient and effective, and offers some technical solutions for all the reported problems of the currently medical recovery mechatronic systems. The system’s originality is highlighted by the following key features: design; applications; personalized treatment to each patient; methods of command and control; communication protocols with feedback from the patient; safety requirements for the patient interaction with the mechatronic system, simplicity and portability. The experimental results achieved during the tests on healthy subjects and patients show: best results are obtained concerning the movement, joint recovery, quality of therapy and patient safety; the system provides the most effective treatment for the knee joint recovery and it is able to ensure, in addition, the functional rehabilitation of the other joints of the lower limb (hip and ankle); applies a closed loop technique recovery: diagnosis - treatment - feedback from the patient; allows a real time recuperative progress recording of the patient and also a database that stores the patient’s evolution; can successively recover the both legs; the mechatronic system evaluates the patient's recovery based on joint angular positions changes and the normal and tangential forces developed during the interaction between the human foot and recovery system; the obtained values of the normal and tangential forces can highlight the disease’s gravity and the rehabilitation progress; the values of normal and tangential forces can be used to calculate the total moment developed in the knee joint, but can also provide valuable information about knee instability; the mechatronic system reduces the patient's medical recovery and accelerates considerably its healing
El, Feki Mariem. "Analyse et synthèse de tolérance pour la conception et le dimensionnement des systèmes mécatroniques." Phd thesis, Ecole Centrale de Lyon, 2011. http://tel.archives-ouvertes.fr/tel-00688247.
Full textKharrat, Mouna. "Contribution au choix d'architecture 3D des systèmes mécatroniques sous contraintes multi-physiques : Application aux Interférences Electro-Magnétiques (IEM)." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPAST049.
Full textThe integration of mechatronic systems generates many multi-physical disturbances (thermal, electromagnetic and dynamic) making their choice of architecture complex. Indeed, the increasing introduction of electronic and electrical (E/E) components in most of the current systems, increases the risk of occurrence of many electromagnetic interferences (EMI) that can strongly degrade their behavior. While these electromagnetic compatibility (EMC) problems are usually addressed in the detailed design phase, where the possibilities of compromise are limited to a few positioning adjustments or costly protection solutions, one solution is to propose a collaborative framework for the evaluation, from the early design phases, of physical design architectures taking into account these electromagnetic (EM) constraints. Actually, it is important at this stage that all the multidisciplinary actors involved can define, modify/update, add their knowledge and constraints and exchange their data while continuing to work in their usual digital environment. In addition, these system engineering activities must be supported with "Model-Based System Engineering" (MBSE) approaches, to support the digital continuity, consistency and traceability of the models and data required for this evaluation process.To meet this need, this thesis is based on the MBSE SAMOS (Spatial Architecture based on Multi-physics and Organization of Systems) collaborative approach to support, from the preliminary design phase, the evaluation of the 3D concept architecture under electromagnetic constraints. In this context, we have initially developed a SysML extension called EMILE (ElectroMagnetic Interactions Layout Extension) to formalize and model, as early as possible, the EM constraints in the system model.This extension notably includes the definition of EM requirements, the description of electromagnetic coupling modes and the specification of simulation configurations allowing the further verification and validation of the requirements, thanks to the development of a Human-Machine Interface. Our research work then focused on an evaluation methodology combining a topological approach with EM modeling, in order to support the process of qualitative and quantitative evaluation of electromagnetic interference (EMI). Indeed, for a given type of EMI, the topological analysis of the system architecture allows to qualitatively identify the existence of the victim components and their associated potential aggressors. Once these potential EMIs have been identified, a quantitative evaluation can then be performed, for example based on the physical equations and laws of the identified coupling, and on the electromagnetic and geometric requirements predefined with the EMILE extension. As a result, this approach ensures the relevant choice of a 3D physical architecture of the concept under EM constraints. The proposed approaches have been illustrated on a case study of an electric vehicle power train, based on various software implementation scenarios (SysML, Modelica, Matlab, FreeCAD) within the Sketcher 3D EM tool
Diagne, Serigne. "Modélisation sémantique conceptuelle pour l'ingénierie de performances comportementales de produits complexes." Thesis, Strasbourg, 2015. http://www.theses.fr/2015STRAD021/document.
Full textThe increasing complexity of manufactured product such mechatronics products requires tools and methods to manage their design process. This process covers the steps going from the requirements specification to the definition of the digital mockup that fulfils the structural, functional and behavioral requirements. To develop high quality products with good performance and low cost while respecting delay this process must be optimized and mastered. The research conducted during this thesis is directed to propose a generic approach for mechatronics products design and behavioural performance assessment. This approach covers the process going from the specification of the requirements to the identification and the design of the digital mockups of the products that meet those requirements. This approach is essentially based on three successive steps that are conceptual semantic design (CSD), conceptual semantic modeling (CSM) and behavioral performance engineering (BPE). These theoretical contributions have been implemented in the Product- BPAS software for test and illustrate purposes
Legranger, Jérôme. "Contribution à l'étude des machines brushless à haut rendement dans les applications de moteurs-générateurs embarqués." Compiègne, 2009. http://www.theses.fr/2009COMP1807.
Full textThis thesis aims at describing an optimal design method for mecatronic systems in the frame of M2EI research program dedicated to hybrid vehicles. The proposed technique links multiphysic models with parametric optimisers. The method is first applied to the optimal design of brushless synchronous permanent magnet starters-generators with distributed windings. The magnetic model takes into account the cross saturation thanks to a 2D finite element program and Park theor. It also estimates iron losses in flux weakening mode owing to Bertotti formula. The thermal model is a 3D lumped parameters network. The mechanical model relies on a static strength of materials calculus. The electrical model is finally based on a torque control of the machine with the optimisation of stator currents to minimize overall losses for each operating point. An optimal design is performed on a starter-alternator specification book to outline the need of a 3D thermal model compared with a raw current densities estimation that does not takes iron losses into account. The second application aims at replacing the gliding contacts of wound rotor synchronous machines with a contactless power transmission systems : a rotary transformer. The method allows the comparison of converters’ topologies by integrating a fine Simpower electrical model in the optimisation loop. The approach underlines the interest of double forward and a shifted full wave inverter compared with a PWM inverter in embarked applications
Ben, Ahmed Hamid. "Des procédés de conversion électro-magnéto-mécaniques non-conventionnels aux systèmes mécatroniques : Conception - Modélisation - Optimisation." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2006. http://tel.archives-ouvertes.fr/tel-00458961.
Full textMerdassi, Asma. "Outil d'aide à la modélisation moyenne de convertisseurs statiques pour la simulation de systèmes mécatroniques." Phd thesis, Grenoble INPG, 2009. http://tel.archives-ouvertes.fr/tel-00434953.
Full textKebairi, Athmane. "Modélisation, identification et commandes non linéaires d'actionneurs mécatroniques de la boucle d'air d'un moteur diesel." Phd thesis, Université de Technologie de Belfort-Montbeliard, 2013. http://tel.archives-ouvertes.fr/tel-01004745.
Full textKebairi, Athmane. "Modélisation, identification et commandes non linéaires d’actionneurs mécatroniques de la boucle d’air d’un moteur diesel." Thesis, Belfort-Montbéliard, 2013. http://www.theses.fr/2013BELF0213/document.
Full textIn the motorization field, electromechanical actuators are more and more employed. In particular, they are used to control the diesel engine air path. Such actuators have a very complex structure whose characteristics are generally protected by confidential agreements. This work firstly deals with the modelling and the identification of electromechanical systems, considering only one nonlinear phenomenon, i.e. the friction. Hence, two actuator categories are studied, and four identification procedures are designed allowing estimating both the system parameters and the friction coefficients. Effectiveness of the developed simulators is shown using Simulink-MATLAB, AMESim and LabVIEW. In order to evaluate the ageing impact on the actuator performance, this work secondly introduces two techniques of sensitivity analysis: ANOVA (Analysis Of Variance) and DOE (Design Of Experiments). These techniques are applied, in open and closed loop, to evaluate how the change in parameters may affect the output of such actuator. Both techniques lead to very similar results allowing validating the designed study.Finally, this work aims at the design of nonlinear friction compensation techniques. Therefore, three techniques are used: PI-Fuzzy controller, IDA-PBC (Interconnection and Damping Assignment - Passivity Based Control) and the backstepping. All controllers are tested with and without uncertainties. Their effectiveness is shown in simulation, using Simulink, and experimentally via LabVIEW
Marquis-Favre, Wilfrid. "Contribution à la conception et la modélisation des systèmes mécatroniques (et de leurs sous-systèmes mécaniques." Habilitation à diriger des recherches, INSA de Lyon, 2007. http://tel.archives-ouvertes.fr/tel-00538162.
Full textBrahim, Mouhanned. "Modeling and Position Control of Piezoelectric Motors." Thesis, Université Paris-Saclay (ComUE), 2017. http://www.theses.fr/2017SACLS296/document.
Full textThe Piezoelectric motors present aninteresting alternative to electromagneticsmotors for precise positioning systems. This ismainly due to their high accuracy in thenanometer scale, and to their very lowelectromagnetic noise levels. In this context, thework presented in this thesis deals with themodeling, design, and real time implementationof position controllers for piezoelectric motors.The objective is to propose robust closed loopposition controller of piezoelectric motors forrobotic applications. Based on the applicationspecification requirements, three motors withdifferent topologies (USR60, PAD7220, N-310.10) are selected. Their electro mechanicmodels are developed in order to validate theiroperating principle and to analyze theirdynamics.These models are also used to simulate thecontroller algorithms in closed loop.Experimental platforms based on the threemotors are designed, and the reduced modelslinking the motor positions to the correspondingcontrol signals are experimentally identified.Afterwards, two position controllers of type Hinfinity(H∞) and RST are synthesized andsimulated. These controllers are implemented inreal time via the experimental platformsequipped by dSPACE boards. The performancesof each motor in closed loop associated to theposition controllers are evaluated using theexperimental results. Comparative studybetween the experimental results of twoproposed controllers and conventional PIDcontroller is also presented.Université Paris-
Houda, Taha. "Human Interaction in a large workspace parallel robot platform with a virtual environment." Electronic Thesis or Diss., université Paris-Saclay, 2020. http://www.theses.fr/2020UPASG047.
Full textThe thesis objective relates to the denition, the implementation and the evaluation of a Motion Cueing Algorithm taking into account the perceptual constraints of the vestibular systemin humans and the constraints related to the movement physics of the used simulator. The latter consists of a series-parallel robotic platform with 8 degrees of freedom, entirely designed in the laboratory and intended primarily to assist people with motor disabilities. This sensory restitution requires multidisciplinary research work in robotics and virtual reality. Moreover, a formalization of dynamic modeling, based on the state of the art, was adapted and the dynamic parameters optimized and identied for the 8 degrees of freedom motion platform. Several methods of trajectory generation, exploitation of the platform redundancy, have been studied, implemented,and compared. The most e cient particle swarm optimization (PSO) method was chosen. This algorithm is then used to optimize the parameters of the platform controller in sliding mode. The simulator was used for a virtual reality ski application reproducing the Combloux resort in Haute-Savoie dedicated to disabled people. The simulation results show a very good trajectory tracking behavior and a good reduction in terms of oscillations. This work will be continued through the use of multi-sensory human-assisted virtual reality interfaces
Belhenini, Soufyane. "Etude de structures de composants micro-électroniques innovants (3D) : caractérisation, modélisation et fiabilité des démonstrateurs 3D sous sollicitations mécaniques et thermomécaniques." Thesis, Tours, 2013. http://www.theses.fr/2013TOUR4029/document.
Full textThis work establishes a contribution in an important European project mentioned 3DICE (3D Integration of Chips using Embedding technologies). The mechanical and thermomechanical reliability of 3D microelectronic components are studied by employing standardized tests and numerical modeling. The board level drop test and thermal cycling reliability tests are selected for this study. Failures analysis has been used to complete the experimental study. The mechanical properties of elements constituting the microelectronic components were characterized using DMA, tensile test and nanoindentation. Bibliographical researches have been done in order to complete the materials properties data. Numerical simulations using submodeling technique were carried out using a transient dynamic model to simulate the drop test and a thermomechanical model for the thermal cycling test. Numerical results were employing in the design optimization of 3D components and the life prediction using a fatigue model
Offermann, Alexis. "Conception et validation d’un robot apte à effectuer des mesures sur ouvrage d’art." Thesis, Compiègne, 2021. http://www.theses.fr/2021COMP2603.
Full textThis PhD. applies in the field of robotics for building inspection. Buildings are understood here as huge constructions such as bridges or churches. Using photogrammetry to analyses the structure of these kind of buildings is nowadays a common technique. To extend the analysis methodologies, we propose in this document to imagine a way to bring tools directly in contact with the buildings. Multiple solution possibilities are presented for a final choice. The chosen solution consists of designing a drone able to tilt its arms to bring the building inspection tool directly onto the wall of the construction. This leads to a double challenge. Firstly, the mechanical part of designing such a complex and non-common drone. Secondly,the development and real time testing of the control algorithm. Eventually, this manuscript proposes to use a particular software architecture joining fast experimentations and validation of the control laws. This platform being very versatile, it is also possible to consider re-using it for different applications in future works. The experimentations reveal good results, promoting the usage of the drone as a carrying vector to bring the tools onto the construction
Zheng, Chen. "Design and integration of multi-disciplinary interfaces : method and modelling language for mechatronic systems engineering." Thesis, Compiègne, 2015. http://www.theses.fr/2015COMP2241/document.
Full textMechatronic system is considered as a synergetic combination of mechanical engineering, electronic engineering and computer engineering. Such mechatronic system has its own lifecycle and should integrate different disciplines and various technologies. Therefore the design of mechatronic systems becomes increasing complex. In order to propose an approach to achieve a better functional and spatial integration of mechatronic systems, especially to achieve a higher integration of different disciplines during the design process of mechatronic systems, two kinds of problems must be overcome. The first problem is related to design data of mechatronic systems while the second is related to the design process. The contribution of the thesis is based on two complementary concepts. The first contribution, the multi-disciplinary interface model, is proposed to address the issue of design data. These interfaces are based on the system architecture and specify which transfers exist between components designed by the project teams of different disciplines. Instantiated in the data model, multi-disciplinary interfaces enables a better data exchange and sharing among the engineers of different disciplines. The second concept concerns the design method based on the multi-disciplinary interface model. This method is proposed to establish the process for mechatronic engineering in order to achieve a better multi-disciplinary integration for the design of mechatronic systems. Finally, the two propositions are then implemented in a demonstrator developed based on 3DEXPERIENCE Platform. A 3D measurement system, considered as a synergistic combination of mechanical engineering, electronic engineering, computer engineering and optical engineering, is used to demonstrate and validate the propositions of the thesis in terms of multi-disciplinary integration for the design of mechatronic systems
Khammassi, Montassar. "Optimisation d’un système poly-articulé imparfait : méthode numérique multi-physique d’aide à la convergence sur le design d’une vanne multivoie." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLV027/document.
Full textThe thermal management of the internal combustion engine can solve issues related to fuel consumption reduction and pollutant emissions. This management can be applied using mechatronic systems, more precisely thanks to a multi-way electromechanical valve, called ACT valve (Active Cooling thermo-management valve), that presents a thermal management strategy when controlling temperatures in different branches of the engine cooling circuit.The aim of this work is to improve the robustness of the design process of this valve taking into account the multi-physical functional constraints such as deformation, wear, but also geometrical tolerances constraints related to the thermoplastic parts manufacturing process. These uncertainties must be taken into account in the first steps of the design phase to ensure the effectiveness and reliability of this valve over its lifetime.This work first proposes a new method of designing these valves, which is based on multi-physical modeling, allowing the product designers to have a common database. Experimentally validated, these models made it possible to highlight the sensitivity of certain geometrical parameters on the torque developed by the actuator of the valve and to make sure of the reliability of the system with wear prediction on one of the key elements of ACT valve.Although the sensitivity analysis allowed us to understand the influence of certain parameters on the system, we proposed a new technique for identifying optimal configuration configurations of this valve using a metaheuristic, multi-objective optimization method. The design suggestions offered by this method can reduce the resistive torque on the valve DC-actuator as well as the overall packaging
Li, Jing. "Design of mechatronic products based on user-customized configuration : an application for industrial robots." Thesis, Compiègne, 2015. http://www.theses.fr/2015COMP2211/document.
Full textIn today's market, obtaining a variety of products through configuration design has become increasingly common. However, with the development of the market, customers have not only satisfied the company offering a variety of products, and more demands on participating in the process of configuration design by themselves, so that they can obtain fully personalized products. Customer participation leads to the changes of design process, company's management model, etc. Based on the above problem, this thesis takes industrial robot as an example, and studies the management issues related to the customer involved in the design, in order to address the contradiction between product diversification, personalized requirements and the long design cycle and high manufacturing costs. Firstly, Auser-customized configuration design pattern is presented. The theory source of user-customized configuration design pattern is introduced, and then the related concepts are expounded. The corresponding business mode of user-customized configuration design pattern is given, and the key technologies to realize business mode is studied. System dynamics models were established for user-customized configuration design business mode and for traditional business mode of industrial robots by Anylogic simulation software. Secondly, the component-based theory and method are studied, including the formal description of things, ontology representation, componentization and servitization. On this basis, the componentization description model is established for the product parts. And the model is represented as service-component. Next, the formation process and extension method of service-component are introduced. An example of industrial robot components modeling is analyzed, includingestablishing industrial robot domain ontology by protégé, describing, instantiating and extensing components. Thirdly, the industrial robot user-customized configuration design template is constructed, and users can obtain the industrial robot meeting constraints through parameters setting; The kinematics and dynamics analysis on template is taken by Simscape model, and the dynamic parameters is analyzed, and the finite element analysis on template is taken by ANSYS, including statics analysis and modal analysis. The parameters flow process in template is analyzed. Then taking industrial robot user-customized configuration design using configuration template as an example, the configuration template is analyzed in application. Fourthly, the internal algorithm of user-customized configuration design is researched. Platform-based and user-leading user-customized configuration design process is constructed, and then the internal algorithm to keep the design running smoothly is studied, including the degree of freedom determination, fuzzy demand calculation, and service-component configuration and the configuration program evaluation. A case analysis is also taken for the internal algorithm Finally, on the basis of the previous section, the prototype system design of the open design platform is taken. Based on system requirements analysis and system design, the main pages of the platform are designed, and the key functions are introduced
Reysset, Aurelien. "Conception préliminaire d'actionneurs électromécaniques - outils d'aide à la spécification et à la génération de procédures de dimensionnement pour l'optimisation." Thesis, Toulouse, INSA, 2015. http://www.theses.fr/2015ISAT0003/document.
Full textThe aim of this thesis is to bring a package of software tools included in a whole methodology dealing with mechatronic systems design. It comes as an add-on to the work already carried out at the laboratory in the field of the new generation of aircraft actuation systems: electromechanical actuators (EMA). This technology triggers new problematics leading the engineers to modify their development process as early as the specification phase, when mission profiles have to be generated/transformed/analyzed in order to simplify the design and ensure the validation step. Thus a Simulink toolbox has been created to meet the need for an information translator working as an intermediate between airframer and system-supplier. As for all the embedded systems, the designer has to face some performance-lifetime-integration trade-off, which can be considered as an optimization problem described by a set of equations and constraints. Particular attention is paid here to the conditioning of those explicit equations in order to obtain a standardized calculation sequence adapted to many optimization algorithms. The method and implemented software, both based on the graph theory, interact with the designer to inform him on the possible singularity and algebraic loop issues, providing some leads for their resolution. Finally, some preliminary sizing studies of landing gear and primary flight control surfaces (aileron and spoiler) actuation systems are presented to highlight the possibilities brought out by this innovative approach: integrated design with complex kinematics, collaborative multi-partners design, use of response surfaces to speed up the optimization
Ben, Said Amrani Nabil. "L’évaluation de la fiabilité d’un système mécatronique en phase de développement." Thesis, 2019. http://www.theses.fr/2019ANGE0024.
Full textReliability analysis of mechatronic systems is one of the most dynamic fields of research. This analysis must be conducted during the design phase, in order to model and to design safe and reliable systems. After presenting some concepts of mechatronic systems and of dependability and reliability, we present an overview of existing approaches (quantitatives and qualitatives) for the reliability assessment and we highlight the perspectives to develop. The criticality of mechatronic systems is due, on one hand, to multi-domain combination (mechanical, electronic, software), and, on the other hand, to their different functional and dysfunctional aspects (hybrid, dynamic, reconfigurable and interactive). Therefore, new approaches for dependability assessment should be developped. We propose a methodology for reliability assessment in the design phase of a mechatronic system, by taking into account multi-domain interactions and by using modeling tools such as Petri Nets and Dynamic Bayesian Networks. Our approach also takes into account epistemic uncertainties (uncertainties of model and of parameters) by using an evidential network adapted to our model. Our methodology was applied to the reliability assessment of an "intelligent actuator" from Pack’Aero
Diouf, Mamadou. "Correcteur automatique d'assiette pour engins de manutention." Phd thesis, 2010. http://tel.archives-ouvertes.fr/tel-00564280.
Full textGomand, Julien. "Analyse de systèmes multi-actionneurs parallèles par une approche graphique causale - application a un processus électromécanique de positionnement rapide." Phd thesis, 2008. http://pastel.archives-ouvertes.fr/pastel-00004849.
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