Academic literature on the topic 'Comportement optimal'
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Journal articles on the topic "Comportement optimal"
Steurer-Stey. "Asthmaschulung und Selbstmanagement: wichtige Voraussetzung für eine optimale Asthmakontrolle und den langfristigen Erfolg im Alltag." Praxis 92, no. 16 (April 1, 2003): 745–50. http://dx.doi.org/10.1024/0369-8394.92.16.745.
Full textBastien, G., and M. Rogalski. "Convexité, complète monotonie et inégalités sur les fonctions zèta et gamma, sur les fonctions des opérateurs de Baskakov et sur des fonctions arithmétiques." Canadian Journal of Mathematics 54, no. 5 (October 1, 2002): 916–44. http://dx.doi.org/10.4153/cjm-2002-034-7.
Full textHébert, Thibaut, and Éric Dugas. "Penser l’espace classe pour un climat d’apprentissage optimal : enquête auprès d’étudiants et d’enseignants débutants français de l’école primaire." Didactique 3, no. 1 (March 29, 2022): 94–120. http://dx.doi.org/10.37571/2022.0105.
Full textBrytek-Matera, Anna, and Lony Schiltz. "Capacités d’adaptation et fonctionnement défensif dans les troubles du comportement alimentaire. Étude structurale comparée basée sur le codage optimal." Annales Médico-psychologiques, revue psychiatrique 171, no. 10 (December 2013): 673–79. http://dx.doi.org/10.1016/j.amp.2012.07.008.
Full textBoyer, Martin. "Les clauses de valeur à neuf sont-elles optimales?" Articles 77, no. 1 (February 5, 2009): 53–74. http://dx.doi.org/10.7202/602344ar.
Full textMadiès, Thierry. "Fiscalité superposée et externalités fiscales verticales : faut-il reconsidérer le débat entre concurrence et coopération fiscales?" L'Actualité économique 77, no. 4 (February 5, 2009): 593–612. http://dx.doi.org/10.7202/602366ar.
Full textFiliatrault, Johanne, and Lucie Richard. "L'apport des théories des changements comportementaux aux interventions de prévention et de promotion de la santé de l'ergothérapeute." Canadian Journal of Occupational Therapy 72, no. 1 (February 2005): 45–56. http://dx.doi.org/10.1177/000841740507200110.
Full textSaidi, Latifa, and Pierre Godbout. "Étude de deux indicateurs de difficulté de mise en place de l’allaitement maternel : la fatigue maternelle et le comportement non optimal du bébé au sein." Recherche en soins infirmiers N° 125, no. 2 (2016): 32. http://dx.doi.org/10.3917/rsi.125.0032.
Full textBoadway, Robin. "Le rôle de la théorie de l’optimum du second rang en économie publique." L'Actualité économique 75, no. 1-2-3 (February 9, 2009): 29–65. http://dx.doi.org/10.7202/602284ar.
Full textMiháltz, P., Zs Csikor, P. Chatellier, and B. Siklódi. "Optimisation de la concentration de biomasse dans un réacteur à lit fluidisé." Revue des sciences de l'eau 14, no. 2 (April 12, 2005): 131–45. http://dx.doi.org/10.7202/705413ar.
Full textDissertations / Theses on the topic "Comportement optimal"
Laflamme, François. "Analyse et contrôle du comportement vibratoire d'un toit d'hélicoptère." Mémoire, Université de Sherbrooke, 2010. http://hdl.handle.net/11143/5951.
Full textLemonnier, Florian. "Étude du comportement en temps long d'équations aux dérivées partielles par des méthodes probabilistes." Thesis, Rennes 1, 2019. http://www.theses.fr/2019REN1S027/document.
Full textIn this thesis, we are interested in studying ergodic BSDEs, and our main goal is to apply our results to the large time behaviour of some PDEs. First, we prove some results (already known in the case where the underlying SDE has an additive noise) in the case of an underlying multiplicative noise. Then, we introduce a Poisson process and it leads us to the large time behaviour of a system of coupled PDEs. Finally, when the underlying SDE has a Lévy noise, we make a link with partial integro-differential equations. We also apply these equations to solve some optimal control problems
Sedrakyan, Hayk. "Comportement limite des systèmes singuliers et les limites de fonctions valeur en contrôle optimal." Thesis, Paris 6, 2014. http://www.theses.fr/2014PA066681/document.
Full textThis thesis consists of two main parts. In the first part, Chapter 3 is devoted to the investigation of the limit behavior of a singularly perturbed control system with two state variables which are weakly coupled. In order to prove our approximation result we use the so called averaging method and a recent result on nonexpansive control. The main novelty of our averaging approach lies in the fact that the limit dynamic may depend on the initial condition of the fast system. In the literature, the investigation of the limit behavior of such systems has been usually addressed under conditions that ensure that the limit dynamic is independent from the initial condition of the fast system. In Chapter 4, we generalise the results of Chapter 3 by considering a more general nonexpansivity condition. Moreover, we consider an example where the new nonexpansity condition is satisfied but the nonexpansivity condition of Chapter 3 does not hold true. The second part deals with Hamilton-Jacobi equations under state constraints. Chapter 5 focuses on the stable representation of convex Hamiltonians by functions describing a Bolza optimal control problem. In Chapter 6 we investigate stability of solutions of Hamilton-Jacobi-Bellman equations under state constraints by studying stability of value functions of a suitable family of Bolza optimal control problems under state constraints. We show that under suitable assumptions, the value function is a unique viscosity solution to Hamilton-Jacobi-Bellman equation and that solutions are stable with respect to Hamiltonians and state constraints
Robert-Schaal, Laurence. "Optimisation du comportement dynamique d'un échangeur de chaleur soumis au phénomène d'encrassement." Nancy 1, 1998. http://www.theses.fr/1998NAN10304.
Full textFroissart, Lucie. "Acquisition et utilisation d’informations passées : des mécanismes de mémorisation aux conséquences adaptatives du comportement." Thesis, Lyon 1, 2012. http://www.theses.fr/2012LYO10250/document.
Full textIn an uncertain and changing world, being able to shape its phenotype according to the current environmental conditions should provide individuals with a major fitness benefit. This depends on information gathering. In the context of behavioural plasticity, it more specifically implies to combine past and current information pieces. Past information use happens through learning and memory, that enables animals to store information in memory for a subsequent decision making. This thesis aims at strengthen the links between behavioural ecology and cognition. First, we tackled two questions specific to past information use. (i) Which weight is given to an older information piece in front of a more recent one? (ii) If several redundant information pieces are gathered, are they all stored? We showed that (i) the parasitoid wasp Venturia canescens seems, at the time scaled we worked with, to weight equally information pieces coming from older and more recent host patches successively foraged. (ii) Among three possible past information sources, only one is stored for a later use. Second, we tested the hypothesis that learning and memory evolved in response to ecological constraints. We conducted a comparative study with arrhenotokous and thelytokous V. canescens thriving in different habitats. Results obtained through olfactory conditioning partially matched our initial predictions; this support the idea of a link between resource distribution and learning features. From the theoretical point of view, the question of the adaptive significance of the length of memory phases has not been tackled yet. Here is shown a model, as a first attempt to fill this gap
Šimleša, Milija. "Collectif flow : sociocognitive model of optimal collaboration." Thesis, Sorbonne Paris Cité, 2018. https://wo.app.u-paris.fr/cgi-bin/WebObjects/TheseWeb.woa/wa/show?t=2029&f=14449.
Full textWith the increasing pressure to innovate, companies are led to find solutions how to increase the creativity of the teams working on innovation projects in a sustainable way. Research has shown that the flow (Csikszentmihalyi, 1975-2000), the optimal psychological experience of hyperfocused human functioning has benefits on subjective eudaemonic well-being as well as objective performance. However, the topic is poorly explored when it comes to flow experience in social settings. Therefore we decided to address the concept of collective flow. Funded by a French company SBT Human(s) Matter, this research project has also an applicative goal of gathering more knowledge about flow and team creativity in order to improve sustainable well-being and reach optimal collaboration for SBT's clients. We define collective flow as a state manifesting when a group acts as a whole. The members of the group are absorbed in the common activity, are coordinating efficiently and feel good together. Subsequently, we have built a sociocognitive model that conceptualizes collective flow as a process mainly relying on motivational and social identification processes, and triggered by specific preconditions such as team members' empathy, collective ambition and shared group identity. Six laboratory studies and few field tests allowed us to test our theoretical model and therefore test our hypotheses. The research was mainly conducted with French engineering students working on innovation projects. Results of the first study show that average level of Theory of Mind of group members does not predict neither the collective flow nor the creative output of the groups. This challenges previous findings related to collective intelligence of teams. However, analyses indicate that collective flow can be predicted by intrinsic motivation and social identification relative to group membership. Moreover, we have found that creativity of groups is predicted by individual flow experience. Results of the second, experimental study, which manipulated the level of action identification (high versus low) showed that high level action identification boosts social identification, intrinsic motivation, and flow of individual group members. Also, mediation analysis indicates that the effect of action identification on flow experience is mediated by social identification and intrinsic motivation. Third, experimental study testing the impact of social identity showed that, contrary to our expectations, the salience of social identity cues (wearing special T-shirts) neither impacts collective flow nor the creative output of the teams. Just like in the first study we found that intrinsic motivation and social identification are significant predictors of both individual and collective flow. However, collective flow did not seem to be predicted by the individual flow of group members. Finally, the fourth experimental study exploring flow experience in a Computer-Mediated Communication setting, relying on Social Identity model of Deindividuation Effects, tested online group creativity in anonymous, identified, synchronous and asynchronous virtual environment. Our results show that asynchronous mode of collaboration is not a flow-killer and that synchronous mode is not a flow booster. This means that individuals engaged in a collective task can indeed experience flow even when working remotely and asynchronously. Consistent in all four studies, our results show that flow in group settings is predicted by intrinsic motivation and social identification. Collective team ambition is also likely to considerably increase the experience of flow in team context. Lastly, our results concerning the impact of collective flow on creativity are less clear, indicating that in some cases the experience of individual flow boosts the creativity. However, this might be more complex and therefore provides a good reason to seek further refinement and better understanding
Allain, Pierre. "Analyse et synthèse de mouvements de foules par contrôle optimal." Lorient, 2012. http://www.theses.fr/2012LORIS257.
Full textIn the communities of computer graphics and vision the study of human crowds phenomena has raised an increasing interest over the past years. The main reasons stem from a continuous increase in the world population and the associated problems, but also from a search of a good visual realism in computer games or computer-generated images for the movie industry. Yet, most of the navigation mechanisms or collision avoidance strategies among pedestrians are not fully understood, resulting in empirical models inspired by qualitative observations. On the contrary, data- driven methods oppose to this qualitative methods by giving ways to describe quantitatively those phenomena. From crowd videos, it should be possible to enrich the behavioral simulation models through parameterization or calibration. In this thesis, an original approach is proposed to analyze and simulate crowd motions from videos, which exploits the optimal control formalism, and more specifically the variational data assimilation principles. By exploiting some existing physical models describing the dynamics of a crowd flow, and combining this information to the perceived motion in the image, it is shown in this thesis how to extract a high level information on the flow related to a disturbance potential. The information conveyed in this process is by essence Eulerian, and opposes to the Lagrangian nature of pedestrians. To overcome this plurality of representation, a new powerful graph-based representation is introduced. The control of individuals driven by a dynamical method and under external constraints (designed by an animator or acquired from videos) is then studied and discussed
Benbahia, Ilham. "L'influence de la digitalisation d'un magasin sur l'expérience vécue et le comportement des clients." Thesis, Paris 1, 2020. http://www.theses.fr/2020PA01E002.
Full textIn this thesis we study the impact of the shopping experience on consumer behavior in a physical store context offering digital devices to its customers. We thus seek to measure the added value ofthe use of digital devices on the experience lived in store and on the consumer’s behavior. We alsotest the moderating role of the individual variables which are the need to touch (Need For Touch) and the optimal level of stimulation (Optimal Level of Stimulation) on the link between the degreeof use of digital devices and the lived experience. After carrying out a literature review on our keyconcepts, we conducted three successive studies: a qualitative study with managers, then two quantitative studies conducted in store with customers. Research has shown a positive impact of the degree of use of in-store digital devices on consumer experience and behavior. The moderating effect of the optimal level of stimulation has been validated ; that of the need for touch has beenpartially
Romano, de Paula Valéria. "Social networks as a trade-off between optimal information transmission and reduced disease transmission." Thesis, Strasbourg, 2017. http://www.theses.fr/2017STRAJ056/document.
Full textSocial structure can theoretically regulate information transmission and disease risk via social contact or proximity. In theory, the same network properties that favor information transmission also favor pathogen transmission creating a potential trade-off between them. In my thesis, I used empirical data, network analysis and individual-based modelling to understand the influence of social structure on social transmission in primate and theoretical networks. My studies show that i) central Japanese macaques transmit disease faster but are also more prone to acquiring infectious agents; ii) the number of infected individuals in 40 wild primate groups is dependent on global network properties and epidemic time; iii) network efficiency peaks with intermediate values of group substructure in theoretical and empirical networks; and, iv) variation in the network properties is a consequence of individual decisions given the trade-offs between collecting information and avoiding infection. Altogether, my thesis reveals the mechanisms of social transmission and indicates that network properties might reflect a trade-off between information and pathogen transmission
Froissart, Lucie. "Acquisition et utilisation d'informations passées : des mécanismes de mémorisation aux conséquences adaptatives du comportement." Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-00984371.
Full textBooks on the topic "Comportement optimal"
Nagel, Stuart S. Public policy evaluation: Making super-optimum decisions. Aldershot, UK: Ashgate, 1998.
Find full textBook chapters on the topic "Comportement optimal"
"Influence de la formulation optimale et de la fraction de phase dispersée sur le comportement rhéologique des émulsions gels Emilio PARUTA, Véronique SADTLER, Philippe MARCHAL, Lionel CHOPLIN, Jean- Louis SALAGER, Shirley MARFISI." In Procédés et formulations au service de la santé, 71–80. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0939-4-007.
Full text"Influence de la formulation optimale et de la fraction de phase dispersée sur le comportement rhéologique des émulsions gels Emilio PARUTA, Véronique SADTLER, Philippe MARCHAL, Lionel CHOPLIN, Jean- Louis SALAGER, Shirley MARFISI." In Procédés et formulations au service de la santé, 71–80. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0939-4.c007.
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