Dissertations / Theses on the topic 'Conception'
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Bharadwaj, Aditya. "Conceptions : an exploration of infertility and assisted conception in India." Thesis, University of Bristol, 2001. http://hdl.handle.net/1983/6230e8a5-4afd-4d79-911b-0b0950fced06.
Full textPapatolias, Apostolos. "Conception mécaniste et conception normative de la constitution." Paris 10, 1995. http://www.theses.fr/1995PA100116.
Full textEvery human representation can be viewed as a conception of the constitution if it addresses in an explicit or implicit manner the following question: how a constitution is able to influence, in a precise and efficient manner, political and social behavior? It is possible to distinguish between two different "conceptions of the constitution", in the sense of general categories susceptible of enclosing more than one particular conception: a "mechanist conception" and a "normative conception". For the mechanist conception the constitution is considered as an "artificial»: the junction between constitutional action and the result of this action - the social fact which grows out of her. The constitution is viewed as a mechanism which affects political and social reality in a "causal" manner that is to say independently of the governor's impulsion. For the normative conception the constitution is considered as a set of fundamental and paramount legal norms which govern the activity of public authorities in an imperative way. The efficiency of the constitution is thus limited to the influence that a certain number of imperatives, written or unwritten, can have on people for whom they are intended
Krahé, Barbara, and Gün R. Semin. "Lay conceptions of personality : eliciting tiers of a scientific conception of personality." Universität Potsdam, 1987. http://opus.kobv.de/ubp/volltexte/2009/3382/.
Full textEs wird über zwei Untersuchungen berichtet, in denen die Verfügbarkeit von Wissenschaftlichen Aussagen zur Persönlichkeit in Laienkonzeptionen der Persönlichkeit geprüft wird. Es wird behauptet, daß von einem sozial-konstruktivistischen Standpunkt Modelle der Persönlichkeit aus Laienkonzeptionen über Personen abgeleitet werden und sich darauf beziehen müssen. Eysenck's Eigenschaftsmodell von Intraversión — Extraversion, das spezifische Aussagen über phänotypische und genotypische Unterschiede von Extravertierten und Intravertierten macht, wurde als wissenschaftliches Modell der Persönlichkeit genutzt und seine Verfügbarkeit in Laienkonzeptionen der Persönlichkeit in zwei Untersuchungen geprüft. In der ersten Untersuchung wurde den Vpn eine genotypische Charakterisierung entweder einer extravertierten oder intravertierten Person dargeboten. Sie wurden aufgefordert, entsprechende phänotypische Unterschiede daraus abzuleiten. In der zweiten Untersuchung wurde der Infcrcnzprozcß umgekehrt, indem die Vpn aufgefordert wurden, genolypische Charakteristika von Intravertierten vs. Extravertierten aus phänotypischen Beschreibungen der beiden Typen herzuleiten. Die Ergebnisse beider Untersuchungen zeigten einen hohen Grad an Genauigkeit in den Schlußfolgerungen der Vpn. Dies legt nahe, daß Laienpersonen eine gut ausgearbeitete Konzeption der Persönlichkeit besitzen, die psychogenetische Aussagen höherer Ordnung entsprechend dem Eigenschaftsmodell von Eyscnck einschließt. Die Folgerungen daraus für die Konstruktion von Theorien werden diskutiert.
Martin, Ludovic. "Conception aérodynamique robuste." Toulouse 3, 2010. http://thesesups.ups-tlse.fr/1608/.
Full textAerodynamic studies are often based on some numerical observations like the drag or lift coefficients. Consequently, it is fundamental to define tools and methodologies devoted to the reliable evaluation of these scalar observations. This master thesis will describe some strategies and methods in order to better control the computation of a scalar aerodynamic observation. Three classes of strategies have been considered. The evaluation strategy consists in determining the kind of evolution of the observation depending on parameters. In this context, the estimation of the first and especially second order sensibilities, obtained by automatic differentiation of industrial codes, allows us to know the local evolution (tangents and curvatures). The singular perturbation method is another and innovant method to determine the non-linear evolution of an aerodynamic observation without using the second order derivatives. The fiability strategy will try to increase the level of confidence in the numerical evaluation of the scalar aerodynamic observation. The uncertainty affecting some parameters that influence the scalar observation is taken into account in order to make the numerical evaluation more robust and reliable. Finally, the optimisation strategy consists in finding particular values of the aerodynamic observation which respects some constraints. The optimisation under uncertainty means that optimisation parameters are uncertain, that is to say constraints are statistical variables, like statistical moments or failure probabilities
Girod, Xavier Estublier Jacky Krakowiak Sacha. "Conception par objets." S.l. : Université Grenoble 1, 2008. http://tel.archives-ouvertes.fr/tel-00339536.
Full textJean, Fabien. "L'échange génératif de technologies innovantes : engagement conceptif et conception de la valeur." Thesis, Paris Sciences et Lettres (ComUE), 2016. http://www.theses.fr/2016PSLEM082/document.
Full textInnovation processes of large companies experience a lack of resources between Research and Development, i.e. the valley of death. Safran created its Innovation Department to counterbalance. It is based on exchanges with the subsidiaries. However such exchanges cannot be processed in most early stages, when they include unknowns. For instance, ideas generated through the DKCP method remain unexplored. This intervention-research aims at establishing a model of collective action to exchange in the unknown. It defends the thesis that, in the unknown, sellers and buyers of innovative technologies engage in the design of the boundary between technologies and environments.Facing the limits of classic models of exchanges of economy, decision, intéressement and creativity, this thesis adopts a design-theories framework. It proposes the model of design engagement of resources. It explains the limits of a common tool for exchanging technologies, i.e. Technology Readiness Levels. It proposes to model exchanges between seller and buyer as the exploration of the Technology-Environment boundary. To do so it constructs the C-K T / C-K E formalism. Finally, the method Steering Exploration Through Technology and Environment Invariants ("Pilotage de l'Exploration Par les Invariants Technologie-Environnement" (PEPITE) in French) is constructed in collaboration with Safran Innovation Department. It is based on two cases of explorations which passed the valley of death within the researchers intervention
Weil, Benoît. "Conception collective, coordination et savoirs : les rationalisations de la conception automobile." Paris, ENMP, 1999. http://www.theses.fr/1999ENMP0965.
Full textBihannic, Kévin. "Repenser l'ordre public de proximité : d'une conception hiérarchique à une conception proportionnelle." Thesis, Paris 1, 2017. http://www.theses.fr/2017PA01D087/document.
Full textAlthough case law has not entirely ruled out the theory of the “ordre public de proximité”, it’s scope has constantly been decreased to the point that it is now impossible to question it’s fall from grace. Hence pushing for a study of it’s future existence in the general theory of privateinternational law. In spite of recurrent criticism from Doctrine sources, the “ordre public de proximité” has not become useless. A renewed interpretation of its overall functioning is needed to overcome the fear of taking over the role of the public policy exception and therefore encouraging cultural relativism.However, considering the rehabilitation of the “ordre public de proximité” should not misguide us into thinking it is flawless. When confronted to the evolution of private interational law and a possible mutation of the public policy exception, the inadaptability of this principle becomesobvious. More specifically when transiting toward a logical ranking of values as necessairy for it’s effective functioning, one may fear a lack of consideration for the foreign norm. As a consequence, the “ordre public de proximité” seems to build itself outside of the public policytheory highlighting the need to consider it’s overcoming. Redefining the theory of the so-called “effet atténué” (limited effect) could represente an effective solution on condition that this system is founded on the balance of interest. In conclusion, if the “ordre public de proximité” cannot exist as an independent mechanism, the proximity condition must remain and support the development of proportionality as the reasoning method for the application of the so-called “effet atténué”
Amoussou, Guy-Alain. "Modélisation fonctionnelle dans la conception et la re-conception des systèmes industriels." Troyes, 1999. http://www.theses.fr/1999TROY0005.
Full textLucas, Luís. "Conception et realisation d'un microprocesseur vliw : methodologie de conception et implantation vlsi." Paris 6, 1995. http://www.theses.fr/1995PA066659.
Full textAndreani, Anna. "Conception d’un dispositif de mesure de BSDF pour l’éco-conception de bâtiments." Thesis, Lyon, 2020. http://www.theses.fr/2020LYSET003.
Full textIn a context of increasing scarcity of primary energy, it is necessary to work to reduce energy consumption related to lighting in buildings while ensuring that occupants enjoy good visual comfort. Physical-realistic simulation using light simulation software is a tool for evaluating various variants of a building. It can be used in multi-criteria optimization approaches with a view to deploying decision-support systems designed to identify the best possible trade-offs between energy consumption and user comfort. Insofar as the optical properties of building materials (opaque, transparent, coloured, isotropic, anisotropic and with textures or micro-reliefs) are an input to light simulation software, their characterization is an essential prerequisite for the implementation of this eco-design approach for buildings. The optical properties of materials are described by the mathematical formalism of the BSDF (Bidirectional Scattering Distribution Function) and can be integrated into most light simulation software in the form of analytical models or tabulated measurements. Widely used analytical models can be used to characterize optically simple materials but are difficult to extend to more complex materials. Moreover, no device currently exists that can finely characterise the full range of materials in a building in an operational time frame using tabulated measurements. Therefore, the aim of this thesis work is to design a device for the fast and accurate measurement of the optical characteristics of materials for the physico-realistic simulation of buildings. A first measuring device has been designed and has shown the feasibility of operating an instrument equipped with multi-sensors as a detector. It identified the pitfalls to be avoided as well as the obstacles to be circumvented for the design of a second, more operational measuring device with increased capabilities. Based on an instrument equipped with multi-sensors and a computer-controlled positioning system, it allows the measurement of the optical properties of the building's constituent materials in an operational context. The raw data acquisition and processing phases are supervised by computer. The duration of the measurements ranges from 5 minutes 40 seconds to 3 hours 2 minutes and 30 seconds. Their average repeatability is 97.88%
Zerouki, Djoheur. "La légalité criminelle : enrichissement de la conception formelle par une conception matérielle." Lyon 3, 2001. https://scd-resnum.univ-lyon3.fr/in/theses/2001_in_zerouki_d.pdf.
Full textZerouki, Djoheur Rebut Didier. "La légalité criminelle enrichissement de la conception formelle par une conception matérielle /." Lyon : Université Lyon 3, 2006. http://thesesbrain.univ-lyon3.fr/sdx/theses/lyon3/2001/zerouki_d.
Full textSchofield, Amy. "Donor conception : the perspective of fathers where donor sperm has assisted conception." Thesis, University of East London, 2013. http://roar.uel.ac.uk/3436/.
Full textLenfle, Sylvain. "Projets et conception innovante." Habilitation à diriger des recherches, Ecole Polytechnique X, 2008. http://tel.archives-ouvertes.fr/tel-00406689.
Full textSoueidan, Mohammad. "Conception d'un microprocesseur reconfigurable." Phd thesis, Grenoble INPG, 1989. http://tel.archives-ouvertes.fr/tel-00332858.
Full textCaro, Stéphane. "Conception Robuste de Mécanismes." Phd thesis, Ecole centrale de nantes - ECN, 2004. http://tel.archives-ouvertes.fr/tel-00078374.
Full textà trois degrés de liberté. Le mémoire est ainsi divisé en quatre chapitres. Le premier chapitre est consacré à une énumération des propriétés générales des mécanismes étudiés, à une étude bibliographique de la conception robuste et à la formulation d'un problème de conception robuste. Le deuxième chapitre traite de l'analyse de sensibilité de l'Orthoglide, manipulateur d'architecture parallèle de type Delta-Linéaire à trois degrés de liberté de translation. L'étude permet de connaître la sensibilité
de la situation de l'effecteur du manipulateur aux variations de ses paramètres géométriques et de repérer les configurations pour lesquelles cette sensibilité est minimale et maximale. Le troisième chapitre présente un indice de robustesse optimal pour
les mécanismes étudiés et une procédure de synthèse de tolérances dimensionnelles décomposée en deux étapes séquentielles. Par ailleurs, ils sont illustrés par plusieurs études de cas, notamment un amortisseur et un manipulateur d'architecture parallèle. Finalement, le quatrième chapitre décrit une étude de la robustesse d'une famille de manipulateurs d'architecture sérielle à trois degrés de liberté. Cette étude vise à identifier les corrélations entre les notions de robustesse et de généricité.
A cet effet, différentes notions de la robotique sont exploitées, telles que la parcourabilité, la précision et la dextérité d'un manipulateur. Il s'avère que la généricité d'un manipulateur n'a pas d'influence sur ses performances cinématiques, ni sur la sensibilité de la position de son effecteur aux variations de ses paramètres géométriques.
Seers, Patrice. "Conception d'une motoneige environnementale." Mémoire, École de technologie supérieure, 2000. http://espace.etsmtl.ca/851/1/SEERS_Patrice.pdf.
Full textBlack, Joshua David. "Peirce's conception of metaphysics." Thesis, University of Sheffield, 2017. http://etheses.whiterose.ac.uk/18188/.
Full textMahoney, Robert Heath. "Hume's conception of character." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/79364/.
Full textRazem, Maiss Jebriel. "Painterly Conception of Architecture." Thesis, Virginia Tech, 2005. http://hdl.handle.net/10919/34755.
Full textMaster of Architecture
Guilloteau, Alexis. "Conception d'une clarinette logique." Thesis, Aix-Marseille, 2015. http://www.theses.fr/2015AIXM4740.
Full textSingle reed instruments conception process developed by instrument makers, is essentially based on empirical laws obtained from their interaction with musicians. Some of the subjectives criteria seems to be defined by both acoustic descriptors(like playing frequency, radiating spectrum and musical dynamics for exemple) and the ease of their control. Present knowledges in guided wave propagation in tone hole lattice are a necessary background to explain linear behavior of the clarinet. We aim to develop an optimisation method for clarinet geometrical variables in a way to reach the best objective translation of the clarinetists appraisal criteria. Then, the followed heuristic in this study consist in the enhancement of the acoustic behavior laws in parallel with the development of objective criteria after each logical clarinet making, until their experimental validation. The collaborative work with an instrument maker, helps us to make 2 prototypes with each specific procedure depicted in this document
Dandache, Abbas. "Conception de PLA CMOS." Phd thesis, Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37596962j.
Full textHenein, Simon. "Conception des guidages flexibles /." Lausanne : [Paris] : Presses polytechniques et universitaires romandes ; [diff. Geodif], 2004. http://catalogue.bnf.fr/ark:/12148/cb39133299k.
Full textLavenier, Dominique. "Conception d'architectures systoliques intégrées." [S.l.] : [s.n.], 1997. ftp://ftp.irisa.fr/techreports/habilitations/lavenier.pdf.
Full textSoueidan, Mohammad Saucier Gabrièle. "Conception d'un microprocesseur reconfigurable." S.l. : Université Grenoble 1, 2008. http://tel.archives-ouvertes.fr/tel-00332858.
Full textMaris, Ferreira Pietro. "Méthodologie de conception AMS/RF pour la fiabilité : conception d'un frontal RF fiabilisé." Phd thesis, Télécom ParisTech, 2011. http://pastel.archives-ouvertes.fr/pastel-00628802.
Full textHalin, Gilles. "Modèles et outils pour l'assistance à la conception. Application à la conception architecturale." Habilitation à diriger des recherches, Institut National Polytechnique de Lorraine - INPL, 2004. http://tel.archives-ouvertes.fr/tel-00101454.
Full textEnfin, afin d'assister certaines activités de conception qui peuvent être collectives, et en considérant la spécificité de l'activité de conception, nous proposons, sous la forme d'un meta-modèle, une représentation du contexte de coopération ainsi qu'une visualisation de ce contexte adaptée à la représentation imagière de l'architecte. Toutes ces approches ont fait l'objet d'applications et d'expérimentations en mettant en oeuvre les dernières technologies de l'information.
Le, Xuan Sang. "Co-conception Logiciel/FPGA pour Edge-computing : promotion de la conception orientée objet." Thesis, Brest, 2017. http://www.theses.fr/2017BRES0041/document.
Full textCloud computing is often the most referenced computational model for Internet of Things. This model adopts a centralized architecture where all sensor data is stored and processed in a sole location. Despite of many advantages, this architecture suffers from a low scalability while the available data on the network is continuously increasing. It is worth noting that, currently, more than 50% internet connections are between things. This can lead to the reliability problem in realtime and latency-sensitive applications. Edge-computing which is based on a decentralized architecture, is known as a solution for this emerging problem by: (1) reinforcing the equipment at the edge (things) of the network and (2) pushing the data processing to the edge.Edge-centric computing requires sensors nodes with more software capability and processing power while, like any embedded systems, being constrained by energy consumption. Hybrid hardware systems consisting of FPGA and processor offer a good trade-off for this requirement. FPGAs are known to enable parallel and fast computation within a low energy budget. The coupled processor provides a flexible software environment for edge-centric nodes.Applications design for such hybrid network/software/hardware (SW/HW) system always remains a challenged task. It covers a large domain of system level design from high level software to low-level hardware (FPGA). This result in a complex system design flow and involves the use of tools from different engineering domains. A common solution is to propose a heterogeneous design environment which combining/integrating these tools together. However the heterogeneous nature of this approach can pose the reliability problem when it comes to data exchanges between tools.Our motivation is to propose a homogeneous design methodology and environment for such system. We study the application of a modern design methodology, in particular object-oriented design (OOD), to the field of embedded systems. Our choice of OOD is motivated by the proven productivity of this methodology for the development of software systems. In the context of this thesis, we aim at using OOD to develop a homogeneous design environment for edge-centric systems. Our approach addresses three design concerns: (1) hardware design where object-oriented principles and design patterns are used to improve the reusability, adaptability, and extensibility of the hardware system. (2) hardware / software co-design, for which we propose to use OOD to abstract the SW/HW integration and the communication that encourages the system modularity and flexibility. (3) middleware design for Edge Computing. We rely on a centralized development environment for distributed applications, while the middleware facilitates the integration of the peripheral nodes in the network, and allows automatic remote reconfiguration. Ultimately, our solution offers software flexibility for the implementation of complex distributed algorithms, complemented by the full exploitation of FPGAs performance. These are placed in the nodes, as close as possible to the acquisition of the data by the sensors† in order to deploy a first effective intensive treatment
Di, pendina Gregory. "Conception innovante et développement d'outils de conception d'ASIC pour Technologie Hybride CMOS / Magnétique." Phd thesis, Université de Grenoble, 2012. http://tel.archives-ouvertes.fr/tel-00750121.
Full textDi, Pendina Grégory. "Conception innovante et développement d'outils de conception d'ASIC pour Technologie Hybride CMOS / Magnétique." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENT035/document.
Full textFor several years many non-volatile technologies have been appearing and taking place mainly in the memory world, aiming at replacing all kind of memory. Their assets let thinking that some of them, specially the MRAM technologies, could improve the integrated circuit performances, using their so called magnetic components in the logic, in particular the magnetic tunnel junctions. To evaluate the potential benefits, it is necessary to be able to design such a circuit. That is the reason why we are proposing a full design kit for both full custom and digital designs, allowing all the design steps. Part of this kit has been used by partners in research project to design demonstrators. We also propose in this kit an innovative ultra-compact magnetic latch, for which 2 patents have been deposited, integrated in a flip-flop. Finally, we present the integration of magnetic components for two applications, security and low power, as well as a case study which shows that the static consumption reduction can be huge
Tetchueng, Foping Jean-Louis. "Une approche de conception d'EIAH adaptifs fondée sur la co-conception de scénario." Télécom Bretagne, 2009. http://www.theses.fr/2008TELB0080.
Full textDomette, Lauriane. "Les dispositifs de discussion sur le travail : conception pour l’usage, conception dans l’usage." Thesis, Paris, CNAM, 2019. http://www.theses.fr/2019CNAM1236/document.
Full textThis research deals with “Work Discussion Spaces”. Work Discussion Spaces (WDSs) are currently developed, both in practice and in theory. This thesis further reflects upon the design of these spaces, the methodology of their implementation, their conditions of use and their sustainability over time. It also examines their implications for management, participation and decision-making.The thesis builds upon the constructive ergonomics approach, aiming to open it to the management approach. The aspiration of constructive ergonomics is to develop “enabling organizations”, that is to say organizations which are able to develop themselves by creating a space for work discussions, thus permitting the growth of both the individual and the collectives. Management science develops the idea of a governance model “open to discussion” at every level of the hierarchy, thus permitting subsidiarity (i.e. decision-making at the lowest relevant level of the hierarchy). This thesis then defends the idea that enabling a sustainable debate in the workplace requires to apprehend Work Discussion Spaces in the light of activity issues, following bottom-up dynamics, while promoting institutional support for the discussion, with a more top-down logic.To that end, four situations of use of Work Discussion Spaces were studied in two social protection organizations, in a bank institute and at “La Poste”. The Work Discussion Spaces that were implemented were considered as “artifacts”, designed for use by designers and adapted in use by its users. In order to identify the various forms given to and taken by them, their evolution was studied following two different temporal scales: from one company to the other, and within two companies.Results show that, according to situations, Work Discussion Spaces were accommodated in different ways, emphasizing the importance of adapting modalities of discussion to local specificities. WDSs enabled regulation of work situations and have challenged some traditionally top-down managerial cultures, initiating an evolution towards a more participatory and subsidiary management style. In order to guarantee their sustainability, the Work Discussion Spaces need both to organize the “discussion space”, in particular by organizing subsidiarity, and to rely on an intervention that takes into account the specificity of each activity, following a participatory and voluntarist design approach
Barcellini, Flore. "Conception de l'artefact, conception du collectif : dynamique d'un processus de conception ouvert et continu dans une communauté de développement de logiciels libres." Phd thesis, Conservatoire national des arts et metiers - CNAM, 2008. http://tel.archives-ouvertes.fr/tel-00350212.
Full textL'apport méthodologique de ce travail consiste à analyser des traces contextuelles d'un processus de conception du projet Python, le Python Enhancement Proposal (PEP), et ceci dans des perspectives synchronique (centrée sur des discussions en ligne PEPs) et diachronique (centrée sur l'évolution d'une proposition PEP dans les trois espaces d'activité). Nous avons adopté une méthodologie originale combinant des analyses structurelles des listes de discussion du projet, l'une orientée usage et l'autre orientée conception (p.ex. représentation des discussions) à des analyses de contenu de ces listes (p.ex. activités collaboratives de conception), ainsi que des analyses des traces des espaces de documentation et d'implémentation et des entretiens.
Concernant l'organisation de la conception de l'artefact dans les trois espaces d'activité, nous montrons que la liste orientée usage et la liste orientée conception sont spécialisées, en termes de phases du processus de conception et d'activités qui y ont lieu. De même, nous montrons les relations qui lient les actions dans les listes (espace de discussion) avec les actions dans les deux autres espaces d'activités (implémentation, documentation). Les discussions de conception sont focalisées et marquées par des moments d'échange quasi-synchrones, traduisant la présence de règles implicites encadrant les discussions. Enfin, la répartition des activités collaboratives de conception et des séquences d'activités est similaire à celle mise en évidence dans d'autres études concernant les réunions de conception en face à face.
Concernant ce qui constitue le collectif de conception, nous montrons que la communauté des concepteurs de Python est constituée de réseaux de conception locaux associant des membres provenant de diverses communautés d'utilisateurs, autour d'un noyau dur de développeurs. Dans ce collectif de conception, la participation est basée sur les rôles effectivement tenus par les participants, plus que sur leurs statuts (utilisateurs vs. développeurs). Notre analyse montre que les rôles cognitifs (génération-évaluation de solutions de conception) et épistémiques (clarification) sont pris en charge par l'ensemble des participants, y compris les utilisateurs. Des profils de participants spécifiques apparaissent néanmoins. Le chef de projet et les personnes proposant les nouvelles fonctionnalités (les champions) ont un profil d'animateur du processus de conception, caractérisé par un rôle de coordination, par un rôle interactif (gestion de l'interaction) central dans les discussions, et parfois par un rôle socio-relationnel (relations interpersonnelles). Des profils d'acteurs d'interface, articulant usage et conception, apparaissent comme des participants clés pour la performance du processus de conception. Ils se caractérisent par un rôle interactif basé sur la participation croisée, entre les listes orientées usage et conception, et une position centrale dans les discussions. Ils ont également un rôle épistémique basé sur des apports de connaissances spécifiques quant aux domaines d'application de la conception, et enfin un rôle de soutien du champion de la proposition.
Ces résultats peuvent fonder la spécification d'outils permettant de favoriser la participation aux projets LOS, en dépassant diverses barrières (p.ex. coût temporel d'intégration dans un projet) et en soutenant la construction et le maintien de la conscience du projet (conscience du processus de conception et conscience sociale).
Maranzana, Nicolas. "Amélioration de la performance en conception par l'apprentissage en réseau de la conception innovante." Phd thesis, Université de Strasbourg, 2009. http://tel.archives-ouvertes.fr/tel-00464861.
Full textSCARAVETTI, Dominique. "Formulation préalable d'un problème de conception, pour l'aide à la décision en conception préliminaire." Phd thesis, Ecole nationale supérieure d'arts et métiers - ENSAM, 2004. http://tel.archives-ouvertes.fr/tel-00008800.
Full textNous proposons un système d'aide à la décision en conception préliminaire, permettant de partir de plusieurs concepts de solution pertinents, pour arriver à une architecture validée et prédimensionnée en objectivant les choix de conception.
Les grandes étapes sont : (i) l'écriture du problème de conception préliminaire sous forme de Problème par Satisfaction de Contraintes (PSC), (ii) la recherche exhaustive des architectures solutions, (iii) l'exploitation et la réduction de l'espace des solutions pour aider à la décision. C'est seulement ensuite qu'un choix est à faire parmi ces solutions, qui n'ont pas été arbitrairement restreintes par des choix initiaux.
Les étapes (i) et (iii) nécessitent une analyse préalable du problème de conception. Il faut, d'une part, le limiter aux seules caractéristiques nécessaires et suffisantes pour la conception architecturale, que nous nommons caractéristiques structurantes. D'autre part, il faut exprimer les objectifs de conception et les critères de qualification de la conception, qui permettent de hiérarchiser les architectures-solutions obtenues et ainsi aider au choix final parmi elles.
Nous proposons pour cela une démarche systématique d'analyse et structuration du problème de conception, basée sur quatre étapes, depuis l'analyse du besoin jusqu'à une approche physique, en passant par des approches fonctionnelle et organique du produit à concevoir. Des tableaux systématiques sont proposés.
Notre approche est confrontée avec la démarche 'classique' d'un groupe de concepteurs, pour une même conception architecturale. L'utilisation du système d'aide à la décision permet une amélioration de la satisfaction des objectifs de conception, le choix du concept de solution le plus performant, l'obtention d'architectures-solutions valides et respectant toutes les contraintes énoncées. On dispose ainsi d'éléments dimensionnels pour poursuivre en conception détaillée sans subir les itérations engendrées par le processus essai-erreur.
DUCOUSSO, LAURENT. "Methodologie de conception de microprocesseurs vlsi pour unite centrale de grands systemes : conception physique." Paris 6, 1990. http://www.theses.fr/1990PA066487.
Full textMaranzana, Nicolas. "Amélioration de la performance en conception par l’apprentissage en réseau de la conception innovante." Strasbourg, 2009. http://www.theses.fr/2009STRA6223.
Full textIn the current economic context, price, quality and time are not any more the only competitive advantages since all the serious competitors are powerful on these three dimensions. In order to be different, companies have to innovate. To achieve this goal, the company has to be flexible and has to develop its intelligence. This leads to a better innovation process management and in particular a growth in its design activities effectiveness. This increase can be done thanks to two nonexclusive alternatives: on the one hand, a more extended control of various scientific knowledge, because of an increasing complexification of the technical systems; on the other hand, a rise in people competence on effective design methods, i. E. Leading to real modifications of existing systems, even to totally new systems. It is what we call innovative design. Various cases are possible for companies wishing to innovate. They can seek to innovate by themselves, to gather in corporate network to innovate together or to gather in network to learn how to innovate. This thesis problematic rests on the improvement of the performance in design by learning the innovative design in network. In order to limit resources, the partners gather their learning in order to learn together how to design better. The main contribution relates to the definition and the characterization of a network making it possible to join together companies wishing to develop their competences on new design methods
Bishani, Leila. "Méthodologie de conception et intégration de contraintes géométriques en conception mécanique assistée par ordinateur." Lyon, INSA, 1998. http://www.theses.fr/1998ISAL0111.
Full textActually Mechanical design use a computer Aided to optimise the time, the cost and performance of product for manufacturing. This study treats the problem of Mechanical design in general, but based on a concrete case already studied. The bibliography shows that indeed a space enough separates the general ideas of theoretical of the concrete aspects of the mechanical design. More particularly, four design projects of power transmission by Gear or bet has been considered. Projects have been developed in the environment CATIA, the conditions and the behaviour has been also extracted. The third part of this thesis is consisted to extrapolate the result and the method acquired to an industrial case of drilling moult-head gear box/design. Always in CATIA environrnent, many solutions have been proposed by repressing a large number of geometrical conditions. In summary, the observation and the realisation of significant mechanical cases have allowed to reduce the distance a between the application and the theory. The treated cases have been presented in order to that could serve also in the framework of the Primeca
Grégori, Nicolas. "Etude clinique d'une situation de conception de produit : vers une pragmatique de la conception." Nancy 2, 1999. http://www.theses.fr/1999NAN21041.
Full textNoomtong, Chaiwat. "Conception des matrices pour l'extrusion de profilés d'aluminium dans un contexte de conception intégrée." Grenoble INPG, 2006. http://www.theses.fr/2006INPG0120.
Full textAluminium extrusion die design is one of the crucial areas of aluminium hot extrusion process. Traditionally, the die designer creates a new die based on his/her previous experiences and skills by using sketching on blue print or CAD drawing that is not weIl defined and cannot share information to other departments. Ln concurrent engineering philosophy, die design knowledge should be shared in central database and related department operators can access it concurrently. Furthermore, the die designer knowledge integration and cooperative work each design phase among die design team members would be discussed. Ln order to support cooperative design, the CORBA technology is presented. The knowledge of die design is stored in the computer system and we can use it to design a die. The objectives of this research are development the tools in order to help a die designer design an extrusion die based on integrated design and to evaluate the process cost of the extrusion workpiece
Scaravetti, Dominique. "Formulation préalable d'un problème de conception, pour l'aide à la décision en conception préliminaire." Paris, ENSAM, 2004. https://pastel.archives-ouvertes.fr/pastel-00001138.
Full textIn the early phases of a traditional design process, many decisions are often made by designers. For that purpose, they take advantage of their experience and company knowledge. These decisions are necessary in a sequential design process but may hide many embodiment solutions. Moreover, designers often use a time consuming trial-and-error mode to find a working combination of standard elements. To overcome these difficulties, a decision support system based on constraint programming is proposed. The object of the design process set out in this work is to facilitate the embodiment design phase by avoiding a-priori decision making and searching for feasible architectures in which all the points of view of the various participants in the project are taken into account. The main stages are: the writing of the design problem into a Constraints Solving Problem (CSP) form, the exhaustive search for the feasible architectures, the exploitation and the reduction of the solutions space to help in the decision making. A preliminary analysis of the design problem is necessary. On one hand, it is essential to restrict the design problem to the only necessary and sufficient characteristics for the embodiment design phase, which we name structuring characteristics. On the other hand, it is necessary to express the design objectives and the qualification criteria of the design, in order to sort the embodiment solutions being obtained. An exhaustive four step method is detailed in this thesis. To determine the most interesting solutions, objectives and performance indicators are entered. Finally, the benefits of our approach are discussed
Al, Khatib Ahmad. "Conception collaborative du couple produit/usage : approche à travers des objets intermédiaires de conception." Thesis, Belfort-Montbéliard, 2015. http://www.theses.fr/2015BELF0273/document.
Full textIn our economic environment with low growth and high competition, technological advance is important, but often not enough. To be competitive, it is also necessary to propose a product which corresponds to the real needs, expectations and characteristics of users. Therefore, product use becomes a source of innovation by industrial companies. In order to integrate product use in design process, we choose to study the multidisciplinary convergence phases about the product and its related use because they are phases of strong collaboration between design actors. However, different disciplines, knowledge and practices involved in design projects, make the transfer of knowledge between design actors difficult. To this end, we are particularly interested in Intermediary Objects of Design (IOs) (ex. Virtual prototype, physical prototype, etc.) as a means to facilitate the exchange and communication between design actors. Our goal is to improve collaboration between design actors through the study of IOs, a better understanding of theirs contributions and the definition of a methodology that allows designactors to define these objects depending on their own needs and expectations. In this context, we indicate the interest of adding interactions dedicated to design actors through the IOs to improve the quality of collaboration. This has been shown through the developing and validating an annotation and 2D (Virtusketches) sketching tool in immersive virtual environment. Our results also show significant differences between a virtual prototype using (virtual reality platform) and CAD model (using CAD system) concerning the quality of collaboration and the realized objectives in design reviews. We also propose a methodological approach for the choice and the definition of IOs (DCDO). One of the originalities of this approach lies in the fact to consider all aspects related to the definition of the IOs in the context of convergence on the product/use couple. This methodological approach has been implemented and put into practice using an application to prepare project reviews in PLM (Product Lifecycle Management).environment
Bascoul, Christophe. "Esquisse virtuelle en conception mécanique." Phd thesis, Université Blaise Pascal - Clermont-Ferrand II, 2007. http://tel.archives-ouvertes.fr/tel-00718284.
Full textBlanchet, Elise. "Conception d'un procédé d'électrosynthèse microbienne." Phd thesis, Toulouse, INPT, 2016. http://oatao.univ-toulouse.fr/15853/1/Blanchet_elise.pdf.
Full textBergeron, François. "Conception d'un simulateur d'écosystèmes manufacturiers." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape2/PQDD_0016/NQ48968.pdf.
Full textDupé, Valérie. "Conception multidisciplinaire de microsystèmes autonomes." Phd thesis, Bordeaux 1, 2011. http://tel.archives-ouvertes.fr/tel-00858692.
Full textRainey, S. "A progmatic conception of rationality." Thesis, Queen's University Belfast, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.517509.
Full textGurney, M. D. "Arnold Schoenberg's conception of music." Thesis, University of Cambridge, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.599797.
Full text李康怡 and Hong-yee Connie Lee. "Conception path in Mong Kok." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2000. http://hub.hku.hk/bib/B31985270.
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