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Academic literature on the topic 'Électro-Hydraulique'
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Dissertations / Theses on the topic "Électro-Hydraulique"
Gagnon, Tommy. "Modélisation causale et acausale d'un système électro-hydraulique." Mémoire, École de technologie supérieure, 2011. http://espace.etsmtl.ca/937/1/GAGNON_Tommy.pdf.
Full textNoël, Martin. "Orthèse électro-hydraulique pour l'analyse du contrôle de la marche." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24156/24156.pdf.
Full textNadeau, Jonathan. "Commande prédictive nonlinéaire d'un système de freinage hybride électro-hydraulique régénératif." Thèse, Université de Sherbrooke, 2017. http://hdl.handle.net/11143/10378.
Full textAhmed, Mohamed Younes. "Électro-osmose et électrophorèse dans les formations géologiques profondes." Le Havre, 2011. http://www.theses.fr/2011LEHA0001.
Full textThe thesis investigates the problems of geo-materials with low permeability and low porosity. A typical example relates to the nonconventional resources of fossil energy, such as Tight Gas Reservoir. TGR are gas hydrocarbon layers in rocks with low porosity and low permeability, related to the presence of clay in the interstices. These characteristics made them difficult and expensive to exploit. One of the prospected techniques to improve the permeability of these layers is electro-simulation. The thesis includes, in addition to the introduction, the conclusions and future recommendations, three parts covering respectively a state of the art, an experimental study of the electro-osmotic flows with (saturated flow) and without (unsaturated flow) contribution of water upstream, with and without control pH, and a modeling of the observed phenomena. The experimental study was carried out on a pure kaolinite, clayed sand and on three argillaceous sandstones. The modeling in a micro structural scale is based on the theory of the double-layer
Jleilaty, Subhi. "Control Architecture for Electro-Hydraulic Humanoid Robot." Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST010.
Full textDespite the significant improvements achieved until now in controlling humanoid robots, they are still a long way from reliably exhibiting human-like behaviors. Various components that formulate humanoids contribute to improving their behaviors. While increasing the physical limitation contributes to dynamic motions, the control architecture is the key to managing those motions and determining robot capabilities to improve its behaviors. This work aims to develop a control architecture emulating the functionality of the human nervous system. Classical architectures dealt with sensorimotor cycles but without intelligence distribution. Whether centralized, where all components are connected to a central unit, or decentralized, where the distributed units are used as an interface between the I/Os and the master controller with no ability to make a decision. The proposed solution is a distributed real-time control architecture with ROS. The joint controllers have the intelligence to make decisions, dominate their actuators, and publish their state. The real- time capabilities are ensured in the master controller by using a Preempt-RT kernel beside OROCOS middleware to operate the real-time tasks. And in the customized joint controllers by FreeRTOS firmware. The experimental validations were performed on our electro-hydraulic humanoid robot (HYDROïD). The results demonstrate 50% advancements in the update rate compared to other humanoids and 30% in the latency of the master processor and the control tasks. The proposed architecture gives the possibility to create and test the systems with distributed artificial intelligence
Gnesi, Emanuele. "Prototypage virtuel de modules électro-hydrostatique equipés de pompes à palettes - Application presses à injecter." Thesis, Toulouse, INSA, 2015. http://www.theses.fr/2015ISAT0051/document.
Full textIn last years companies’ policy has been focusing on research of more eco-friendly solutions in order to reduce the environmental impact and the consumed energy. The trend has been affecting the stationary machinery in the industrial automation too. It includes the drive technology for motion control in the injection moulding machines. The design studies concern energy efficiency improvement, as well as increased service pressure, shorter cycle time and repeatability over a long period of time. All these requirements have led the drive technology to evolve by increasing the interest for the electro-mechanical and electro-hydrostatic modules (EHM). In this thesis an innovative solution of EHM is proposed that associates industrial inverter, AC brushless servo motor and fixed-displacement low-noise Parker vane pump. In detail, the research interest concerns the development of a system level model of the vane pump. The main objective is to enable assessing the pump energy losses and full module performance in specific phase of machine’s cycle: acceleration, depressurisation and holding pressure phases. Firstly analysed by means of analytical approach, dynamics are then evaluated through more advanced models based on virtual prototyping built in LMS-AMESim environment. The advantages on predicting the EHM performance and on estimating the unknown fundamental parameters (e.g. Bulk Modulus and fluid air content) are showed through comparison with experimental results obtained in laboratory. The cavitation/aeration phenomena are also taken into account during acceleration transients and models are thus developed in order to predict the operating conditions which promote these phenomena. Energy behaviour of the EHM is then analysed by means of thermal hydraulic models able to determine the heat exchanges between module components and environment
"Orthèse électro-hydraulique pour l'analyse du contrôle de la marche." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24156/24156.pdf.
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