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Статті в журналах з теми "Contrôle optimal de la température"
Moletta, R. "Contrôle et conduite des digesteurs anaérobies." Revue des sciences de l'eau 2, no. 2 (April 12, 2005): 265–93. http://dx.doi.org/10.7202/705031ar.
Повний текст джерелаRival, T., N. Mayeur, V. Minville, and O. Fourcade. "Contrôle de la température : les moyens d’action en pratique." Annales Françaises d'Anesthésie et de Réanimation 28, no. 4 (April 2009): 358–64. http://dx.doi.org/10.1016/j.annfar.2009.02.024.
Повний текст джерелаLajournade, J. B., G. Schanne, M. Mayos, and B. Chedal-Anglay. "Le contrôle d'aspect de surface des billettes à haute température." Revue de Métallurgie 82, no. 11 (November 1985): 811–20. http://dx.doi.org/10.1051/metal/198582110811.
Повний текст джерелаMorrier, C., B. P.A.quette, P. Rausch, M. C. Mouzy, J. P. Tournadre, and D. C.H.assard. "R413 Contrôle peropératoire de la température de générateurs d'air chaud." Annales Françaises d'Anesthésie et de Réanimation 17, no. 8 (January 1998): 1017. http://dx.doi.org/10.1016/s0750-7658(98)80530-3.
Повний текст джерелаCanellini, G. "Premières expériences avec le système de contrôle de température TermoCod." Transfusion Clinique et Biologique 21, no. 4-5 (November 2014): 266–67. http://dx.doi.org/10.1016/j.tracli.2014.08.077.
Повний текст джерелаCariou, Alain, Jean-François Payen de la Garanderie, Karim Asehnoune, Gérard Audibert, Astrid Botte, Olivier Brissaud, Guillaume Debaty, et al. "Contrôle ciblé de la température en réanimation (hors nouveau-nés)." Anesthésie & Réanimation 5, no. 1 (January 2019): 49–66. http://dx.doi.org/10.1016/j.anrea.2018.10.004.
Повний текст джерелаPayen, Jean-François, Michel Durand, Marie-Christine Herault, Olivier Vincent, Pierre Bouzat, and Pierre Albaladejo. "Contrôle ciblé de la température : quoi de neuf en 2020 ?" Anesthésie & Réanimation 6, no. 6 (November 2020): 555–60. http://dx.doi.org/10.1016/j.anrea.2020.10.004.
Повний текст джерелаTang, Anh Minh, Neda Yavari, Van Tri Nguyen, Jean-Michel Pereira, and Ghazi Hassen. "Modélisation physique du comportement thermo-mécanique d’un pieu géothermique." Revue Française de Géotechnique, no. 166 (2021): 3. http://dx.doi.org/10.1051/geotech/2021004.
Повний текст джерелаMennad, Abdelkader. "Les techniques de dépôt de couches minces et leurs applications." Journal of Renewable Energies 18, no. 4 (October 18, 2023): 713–19. http://dx.doi.org/10.54966/jreen.v18i4.541.
Повний текст джерелаJolivot, Audrey, David Gómez-Candón, Sylvain Labbé, Nicolas Virlet, and Jean-Luc Regnard. "Acquisition d'images thermiques par drone : corrections radiométriques à partir de données terrain." Revue Française de Photogrammétrie et de Télédétection, no. 213 (April 26, 2017): 117–23. http://dx.doi.org/10.52638/rfpt.2017.194.
Повний текст джерелаДисертації з теми "Contrôle optimal de la température"
Nassiopoulos, Alexandre. "Identification rapide de la température dans les structures du génie civil." Phd thesis, Ecole des Ponts ParisTech, 2008. http://pastel.archives-ouvertes.fr/pastel-00003729.
Повний текст джерелаNabolsi, Hawraa. "Contrôle optimal des équations d'évolution et ses applications." Thesis, Valenciennes, 2018. http://www.theses.fr/2018VALE0027/document.
Повний текст джерелаThis thesis begins with a rigorous mathematical analysis of the radiative heating of a semi-transparent body made of glass, by a black radiative source surrounding it. This requires the study of the coupling between quasi-steady radiative transfer boundary value problems with nonhomogeneous reflectivity boundary conditions (one for each wavelength band in the semi-transparent electromagnetic spectrum of the glass) and a nonlinear heat conduction evolution equation with a nonlinear Robin boundary condition which takes into account those wavelengths for which the glass behaves like an opaque body. We prove existence and uniqueness of the solution, and give also uniform bounds on the solution i.e. on the absolute temperature distribution inside the body and on the radiative intensities. Now, we consider the temperature $T_{S}$ of the black radiative source S surrounding the semi-transparent body $\Omega$ as the control variable. We adjust the absolute temperature distribution (x, t) 7! T(x, t) inside the semi-transparent body near a desired temperature distribution Td(·, ·) during the time interval of radiative heating ]0, tf [ by acting on $T_{S}$. In this respect, we introduce the appropriate cost functional and the set of admissible controls $T_{S}$, for which we prove the existence of optimal controls. Introducing the State Space and the State Equation, a first order necessary condition for a control $T_{S}$ : t 7! $T_{S}$ (t) to be optimal is then derived in the form of a Variational Inequality by using the Implicit Function Theorem and the adjoint problem. We come now to the goal problem which is the deformation of the semi-transparent body $\Omega$ by heating it with a black radiative source surrounding it. We introduce a weak mixed formulation of this thermoviscoelasticity problem and study the existence and uniqueness of its solution, the novelty here with respect to the work of M.E. Rognes et R. Winther (M3AS, 2010) being the apparition of the viscosity in some of the coefficients of the constitutive equation, viscosity which depends on the absolute temperature T(x, t) and thus in particular on the time t. Finally, we state in this setting the related optimal control problem of the deformation of the semi-transparent body $\Omega$, by acting on the absolute temperature of the black radiative source surrounding it. We prove the existence of an optimal control and we compute the Fréchet derivative of the associated reduced cost functional
Gavan, Valentin. "Full-Scale experimental evaluation and modelling of a double-skin façade : optimal control of thermal and visual comfort." Lyon, INSA, 2009. http://theses.insa-lyon.fr/publication/2009ISAL0074/these.pdf.
Повний текст джерелаThe double-skin façade system (DSF) is a system consisting of two glass skins placed in such a way that air flows within the intermediate cavity. Without a good understanding of how the DSF performs, a complete appreciation of the interactive relationships between the envelope and equipment systems cannot be obtained. An extended experimental campaign in controlled climatic conditions was carried out on a full scale DSF. This experimental campaign was complete by a modelling and validation part which allowed the creation of a dedicated simulation platform for the study and the development of different control strategies
Greiner, Eric. "Mise en oeuvre de méthodes de contrôle optimal pour l'assimilation de données in situ et satellitaires dans les modèles océaniques." Paris 6, 1993. http://www.theses.fr/1993PA066108.
Повний текст джерелаYin, Liangzhen. "Intelligent control for performance optimization of proton exchange membrane fuel cell system." Electronic Thesis or Diss., Bourgogne Franche-Comté, 2023. http://www.theses.fr/2023UBFCA013.
Повний текст джерелаProton exchange membrane fuel cell (PEMFC) system has been considered as the new power generation technology as it has the advantage of high power density, zero emission, high efficiency, and fast start-up characteristics. Therefore, this thesis is devoted to researching system integration, system parameter trcking control, and system performance optimization for open-cathode and closed-cathode PEMFC systems. For open-cathode PEMFC system, the stack temperature is the key factor sffecting the output performance of the system. In order to improve the dynamic temperature tracking performance under load changing conditions, adaptive inverse control and grey prediction based model free adaptive control is proposed for optimal temperature control of system. Further, in order to enhance the system efficiency of system, a maximum efficiency control strategy based on maximum efficiency optimization and constraint generalized predictive control is proposed in this thesis. For closed-cathode PEMFC system, considering the existed nonlinearity and strong coupling between operating parameters such as stack temperature and oxygen excess ratio (OER), a dual loop multivariable control strategy based on MIMO model free adaptive sliding mode control is proposed for stack temperature and air flow rate regulation of closed-cathode PEMFC system. Moreover, a 300 W open-cathode PEMFC system test bench and a 5-kW closed-cathode PEMFC system tests bench are established. All the control strategies and the performance optimization strategies are verified on the established test bench of open-cathode and closed-cathode PEMFC systems
Massire, Aurélien. "Non-selective Refocusing Pulse Design in Parallel Transmission for Magnetic Resonance Imaging of the Human Brain at Ultra High Field." Thesis, Paris 11, 2014. http://www.theses.fr/2014PA112180/document.
Повний текст джерелаIn Magnetic Resonance Imaging (MRI), the increase of the static magnetic field strength is used to provide in theory a higher signal-to-noise ratio, thereby improving the overall image quality. The purpose of ultra-high-field MRI is to achieve a spatial image resolution sufficiently high to be able to distinguish structures so fine that they are currently impossible to view in a non-invasive manner. However, at such static magnetic fields strengths, the wavelength of the electromagnetic waves sent to flip the water proton spins is of the same order of magnitude than the scanned object. Interference wave phenomena are then observed, which are caused by the radiofrequency (RF) field inhomogeneity within the object. These generate signal and/or contrast artifacts in MR images, making their exploitation difficult, if not impossible, in certain areas of the body. It is therefore crucial to provide solutions to mitigate the non-uniformity of the spins excitation. Failing this, these imaging systems with very high fields will not reach their full potential.For relevant high field clinical diagnosis, it is therefore necessary to create RF pulses homogenizing the excitation of all spins (here of the human brain), and optimized for each individual to be imaged. For this, an 8-channel parallel transmission system (pTX) was installed in our 7 Tesla scanner. While most clinical MRI systems only use a single transmission channel, the pTX extension allows to simultaneously playing various forms of RF pulses on all channels. The resulting sum of the interference must be optimized in order to reduce the non-uniformity typically seen.The objective of this thesis is to synthesize this type of tailored RF pulses, using parallel transmission. These pulses will have as an additional constraint the compliance with the international exposure limits for radiofrequency exposure, which induces a temperature rise in the tissue. In this sense, many electromagnetic and temperature simulations were carried out as an introduction of this thesis, in order to assess the relationship between the recommended RF exposure limits and the temperature rise actually predicted in tissues.This thesis focuses specifically on the design of all RF refocusing pulses used in non-selective MRI sequences based on the spin-echo. Initially, only one RF pulse was generated for a simple application: the reversal of spin dephasing in the transverse plane, as part of a classic spin echo sequence. In a second time, sequences with very long refocusing echo train applied to in vivo imaging are considered. In all cases, the mathematical operator acting on the magnetization, and not its final state as is done conventionally, is optimized. The gain in high field imaging is clearly visible, as the necessary mathematical operations (that is to say, the rotation of the spins) are performed with a much greater fidelity than with the methods of the state of the art. For this, the generation of RF pulses is combining a k-space-based spin excitation method, the kT-points, and an optimization algorithm, called Gradient Ascent Pulse Engineering (GRAPE), using optimal control.This design is relatively fast thanks to analytical calculations rather than finite difference methods. The inclusion of a large number of parameters requires the use of GPUs (Graphics Processing Units) to achieve computation times compatible with clinical examinations. This method of designing RF pulses has been experimentally validated successfully on the NeuroSpin 7 Tesla scanner, with a cohort of healthy volunteers. An imaging protocol was developed to assess the image quality improvement using these RF pulses compared to typically used non-optimized RF pulses. All methodological developments made during this thesis have contributed to improve the performance of ultra-high-field MRI in NeuroSpin, while increasing the number of MRI sequences compatible with parallel transmission
Pennequin, Denis. "Contrôle optimal et oscillations." Paris 1, 2000. http://www.theses.fr/2000PA010061.
Повний текст джерелаGuichaoua, Philippe. "Etude théorique, optimisation et simulation numérique d'un procédé de régulation thermique." Saint-Etienne, 1986. http://www.theses.fr/1986STET4006.
Повний текст джерелаDehbi, Nacima. "Contrôle optimal : optimisation d'une production céréalière." Phd thesis, Université d'Orléans, 2012. http://tel.archives-ouvertes.fr/tel-00802435.
Повний текст джерелаMoussouni, Dehbi Nacima. "Contrôle optimal : optimisation d'une production céréalière." Thesis, Orléans, 2012. http://www.theses.fr/2012ORLE2041/document.
Повний текст джерелаIn this work, we have solved two practices problems in agriculture by modeling in problems of optimal control. An emphasis is placed on nonlinear control optimal problems, since the output of the resulting models are nonlinear. It provided a way to choose defaults for the weight between minimizing pollution caused by an improper addition of fertilizers and insecticides and maximize cereal production. The first problem is to maximize cereal production taking into account the detrimental effects of pollution generated by adding abusive fertilizers. Subsequently, the second problem, we refined the first problem by introducing the constraint of the presence of locusts. For digital applications, were used actual data from the Algerian Ministry of Agriculture and Data from the National Institute of Plant Protection (INPV)
Книги з теми "Contrôle optimal de la température"
L, Syrmos Vassilis, ed. Optimal control. 2nd ed. New York: Wiley, 1995.
Знайти повний текст джерелаOptimal control. New York: Wiley, 1986.
Знайти повний текст джерелаLudovic, Faubourg, and Trélat Emmanuel, eds. Mécanique céleste et contrôle des véhicules spatiaux. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006.
Знайти повний текст джерелаOptimization of stochastic systems: Topics in discrete-time dynamics. 2nd ed. Boston: Academic Press, 1989.
Знайти повний текст джерелаLewis, Frank L., and Vassilis L. Syrmos. Optimal Control. Wiley & Sons, Incorporated, John, 2008.
Знайти повний текст джерелаLewis, Frank L., Draguna Vrabie, and Vassilis L. Syrmos. Optimal Control. Wiley & Sons, Incorporated, John, 2012.
Знайти повний текст джерелаLewis, Frank L., Draguna Vrabie, and Vassilis L. Syrmos. Optimal Control. Wiley & Sons, Incorporated, John, 2012.
Знайти повний текст джерелаLewis, Frank L. Optimal Control. John Wiley & Sons Inc, 2005.
Знайти повний текст джерелаUpreti, Simant Ranjan. Optimal Control for Chemical Engineers. Taylor & Francis Group, 2016.
Знайти повний текст джерелаUpreti, Simant Ranjan. Optimal Control for Chemical Engineers. Taylor & Francis Group, 2016.
Знайти повний текст джерелаЧастини книг з теми "Contrôle optimal de la température"
Haussmann, U. G. "L'equation de Zakai et le problème séparé du contrôle optimal stochastique." In Lecture Notes in Mathematics, 37–62. Berlin, Heidelberg: Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/bfb0075838.
Повний текст джерела"4. Contrôle optimal." In Techniques d'optimisation - Tome 2, 269–390. EDP Sciences, 2022. http://dx.doi.org/10.1051/978-2-7598-2774-9.c006.
Повний текст джерела"Méthodes numériques en contrôle optimal." In Mathématiques & Applications, 229–68. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/3-540-37640-2_9.
Повний текст джерела"5. Méthodes numériques en contrôle optimal." In Techniques d'optimisation - Tome 2, 391–456. EDP Sciences, 2022. http://dx.doi.org/10.1051/978-2-7598-2774-9.c007.
Повний текст джерела"Contrôle de la température ambiante pour le transportdes denrées périssables surgelées." In Manuel ATP 2020, 117–19. United Nations, 2020. http://dx.doi.org/10.18356/9789210051910c008.
Повний текст джерела"Contrôle de la température ambiante pour le transport des denrées périssables surgelées." In Manuel ATP 2021, 113. United Nations, 2022. http://dx.doi.org/10.18356/9789210001328c009.
Повний текст джерела"Contrôle de la température ambiante pour le transport des denrées périssables surgelées." In Accord relatif aux transports internationaux de denrées périssables et aux engins spéciaux à utiliser pour ces transports (ATP), 73. UN, 2010. http://dx.doi.org/10.18356/60ec0b73-fr.
Повний текст джерела