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Letteratura scientifica selezionata sul tema "Allocation de tâches à des senseurs"
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Articoli di riviste sul tema "Allocation de tâches à des senseurs"
BAERT, Quentin, Anne-Cécile CARON, Maxime MORGE e Jean-Christophe ROUTIER. "Allocation équitable de tâches pour l’analyse de données massives". Revue d'intelligence artificielle 31, n. 4 (28 agosto 2017): 401–26. http://dx.doi.org/10.3166/ria.31.401-426.
Testo completoHette, Gaël, Sylvia Estivie, Emmanuelle Adam e René Mandiau. "Ré-allocation dynamique de tâches pour un réseau de transport". Revue d'intelligence artificielle 26, n. 6 (30 dicembre 2012): 709–34. http://dx.doi.org/10.3166/ria.26.709-734.
Testo completoHowlett, Michael, e Adam M. Wellstead. "Policy Work in Multi-Level States: Institutional Autonomy and Task Allocation among Canadian Policy Analysts". Canadian Journal of Political Science 45, n. 4 (dicembre 2012): 757–80. http://dx.doi.org/10.1017/s0008423912000984.
Testo completoTesi sul tema "Allocation de tâches à des senseurs"
Quentel, Paul. "Architecture multi-agent distribuée et collaborative pour l’allocation de tâches à des senseurs : application aux systèmes navals". Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2024. http://www.theses.fr/2024IMTA0406.
Testo completoThe changing context of naval and aerial defense requires a major modification of current sensor system architectures to overcome future threats and to integrate next generation devices and sensors. These sensors, heterogeneous, complementary, and embedded on naval or aerial platforms, are essential for acquiring data from the environment in order to establish the tactical situation. In this context, platforms can collaborate and share their sensor resources to achieve new functionalities and set up a global overview of the situation. In this thesis, we have designed and developed a multi-agent system for allocating tasks to distributed resources on distinct platforms in order to accomplish collaborative capabilities. We present scenarios illustrating the operational needs that the architecture must meet, thus establishing a set of specifications. Then, we detail the steps involved in designing and implementing this new architecture, describing each type of agent and the possible interactions between them. We propose an auction algorithm requiring exchanges between agents, subject to bandwidth and latency constraints. Finally, we present a test bed integrating tools for capturing and display system metrics, allowing the evaluation of agent concepts and their communication mechanisms. The objective is to demonstrate that our architecture meets the specified operational requirements, in particular the scalability of the agents’ algorithms and communication interfaces, fault tolerance, and system performance
Yang, Yang. "Allocation optimale des tâches pour la coopération de deux robots dans une cellule flexible d'assemblage". Lille 1, 1988. http://www.theses.fr/1988LIL10001.
Testo completoMavridis, Panagiotis. "Utilisation d'une hiérarchie de compétences pour l'optimisation de sélection de tâches en crowdsourcing". Thesis, Rennes 1, 2017. http://www.theses.fr/2017REN1S060/document.
Testo completoA large number of commercial and academic participative applications rely on a crowd to acquire, disambiguate and clean data. These participative applications are widely known as crowdsourcing platforms where amateur enthusiasts are involved in real scientific or commercial projects. Requesters are outsourcing tasks by posting them on online commercial crowdsourcing platforms such as Amazon MTurk or Crowdflower. There, online participants select and perform these tasks, called microtasks, accepting a micropayment in return. These platforms face challenges such as reassuring the quality of the acquired answers, assisting participants to find relevant and interesting tasks, leveraging expert skills among the crowd, meeting tasks' deadlines and satisfying participants that will happily perform more tasks. However, related work mainly focuses on modeling skills as keywords to improve quality, in this work we formalize skills with the use a hierarchical structure, a taxonomy, that can inherently provide with a natural way to substitute tasks with similar skills. It also takes advantage of the whole crowd workforce. With extensive synthetic and real datasets, we show that there is a significant improvement in quality when someone considers a hierarchical structure of skills instead of pure keywords. On the other hand, we extend our work to study the impact of a participant’s choice given a list of tasks. While our previous solution focused on improving an overall one-to-one matching for tasks and participants we examine how participants can choose from a ranked list of tasks. Selecting from an enormous list of tasks can be challenging and time consuming and has been proved to affect the quality of answers to crowdsourcing platforms. Existing related work concerning crowdsourcing does not use either a taxonomy or ranking methods, that exist in other similar domains, to assist participants. We propose a new model that takes advantage of the diversity of the parcipant's skills and proposes him a smart list of tasks, taking into account their deadlines as well. To the best of our knowledge, we are the first to combine the deadlines of tasks into an urgency metric with the task proposition for knowledge-intensive crowdsourcing. Our extensive synthetic and real experimentation show that we can meet deadlines, get high quality answers, keep the interest of participants while giving them a choice of well selected tasks
Debernard, Serge. "Contribution à la répartition dynamique de tâches entre opérateur et système automatisé : application au contrôle du trafic aérien". Valenciennes, 1993. https://ged.uphf.fr/nuxeo/site/esupversions/455a1b3c-57c3-4994-98ff-5dec24c35a2d.
Testo completoAli, Muhammad. "Stockage de données codées et allocation de tâches pour les centres de données à faible consommation d'énergie". Electronic Thesis or Diss., CY Cergy Paris Université, 2023. http://www.theses.fr/2023CYUN1243.
Testo completoData centers are responsible for a significant portion of global energy consumption. This consumption is expected to grow in the coming years, driven by the increasing demand for data center services. Therefore, the need for energy-efficient, low-carbon data center operations is growing rapidly.This research focuses on designing and implementing a low-carbon, energy-efficient data center powered by solar and hydrogen, granting it independence from the power grid. As a result, the data center is limited by the upper bound on the energy consumption, which is 10KWh. The maximum usage of energy-constraint imposes several challenges to the design, energy usage, and sustainability of the data center.The work first contributes to designing a low-power budget data center while respecting the overall energy constraint. We tried to save the energy usage of the data center through the right choice of hardware while keeping the performance of the data center intact. The second contribution of our work provides valuable protocols like lazy repair in distributed data storage, job placement, and power management techniques to further reduce the data center's energy usage. With the combined efforts of the right choice of hardware, protocols, and techniques, we significantly reduced the overall energy consumption of the data center
Kamoun, Anas. "Contribution à la répartition dynamique des tâches entre opérateur et calculateur pour la supervision des procédés automatisés". Valenciennes, 1989. https://ged.uphf.fr/nuxeo/site/esupversions/0ec201b4-4963-4d88-bfc0-ae94c6c230e2.
Testo completoAhmadoun, Douae. "Interdependent task allocation via coalition formation for cooperative multi-agent systems". Electronic Thesis or Diss., Université Paris Cité, 2022. http://www.theses.fr/2022UNIP7088.
Testo completoTask allocation among multiple autonomous agents that must accomplish complex tasks has been one of the focusing areas of recent research in multi-agent systems. In many applications, the agents are cooperative and have to perform tasks that each requires a combination of different capabilities that a subset of agents can have. In this case, we can use coalition formation as a paradigm to assign coalitions of agents to tasks. For robotic systems, in particular, solutions to this task allocation problem have several and increasingly important real-world applications in defense, space, disaster management, underwater exploration, logistics, product manufacturing, and support in healthcare facilities support. Multiple coalition formation and task allocation mechanisms were introduced in the prior art, seldom accounting for interdependent tasks. However, it is recurrent to find tasks whose quality cannot be evaluated without considering the other tasks in real-world applications. These tasks are called interdependent in contrast to independent tasks that can be individually assessed, resulting in a global evaluation of the tasks' allocation that sums all the tasks' evaluations. Research in the past has led to many task allocation algorithms that address the case of independent tasks from different angles and under different paradigms. Other works solve the case of the interdependent tasks, but they do it either centrally with very high complexity or only for the case of precedence dependencies. However, many forms of interdependence may exist between tasks in real-world applications. In addition, these applications need task allocation mechanisms to be decentralised and available at anytime to allow them to return a solution at any time and to improve it if there is time left, to respond to their time-sensitivity and robustness issues. In this dissertation, we consider cooperative multi-agent environments where tasks are multi-agent and interdependent, and task allocation methods have to be decentralized and available at anytime. In this regard, we propose a problem formalisation that considers the agents' and the tasks' qualitative and quantitative attributes and captures the tasks' dependencies on the requirements level and the allocation evaluation level. We introduce a novel approach with a token-passing anytime decentralised coalition formation mechanism. The approach enables agents with complementary capabilities to form, autonomously and dynamically, feasible coalition structures that accomplish a global, composite task. It is based on forming a feasible coalition structure that allows the agents to decide which coalition to join and thus which task to do so that all the tasks can be feasible. Then, the formed structures are incrementally improved via agent replacements to optimise the global evaluation. The purpose is to accomplish the tasks with the best possible performance. The analysis of our algorithms' complexity shows that although the general problem is NP-complete, our mechanism provides a solution within an acceptable time. Simulated application scenarios are used to demonstrate the added value of our approach
Teng, Fei. "Ressource Allocation and Schelduling Models for Cloud Computing". Phd thesis, Ecole Centrale Paris, 2011. http://tel.archives-ouvertes.fr/tel-00659303.
Testo completoAl, Sheikh Ahmad. "Resource allocation in hard real-time avionic systems : scheduling and routing problems". Phd thesis, INSA de Toulouse, 2011. http://tel.archives-ouvertes.fr/tel-00631443.
Testo completoAl, Sheikh Ahmad. "Resource allocation in hard real-time avionic systems : scheduling and routing problems". Electronic Thesis or Diss., Toulouse, INSA, 2011. http://www.theses.fr/2011ISAT0010.
Testo completoThe avionic domain has seen a profound evolution by the introduction of Integrated Modular Avionics (IMA). This defines a standardized execution and communication support in order to reduce the complexity of the physical architecture. Nevertheless, due to the sharing of resources, this reduction of complexity is opposed by an increased difficulty in application conception and integration, which necessitates dedicated tools for assisting system designers. This thesis’ contributions concern two major resource allocation problems: i) the multiprocessor scheduling of strictly periodic tasks and ii) the routing of messages exchanged between the avionic functions. The first problem was formulated using integer linear programming so as to guarantee a maximum evolution potential for the task execution durations. The inefficiency of this exact approach for large problem instances led us to develop an original heuristic, inspired from Game Theory, and further enhance it with a multi-start algorithm. The routing problem was formulated as an optimization one so as to minimize the maximum link loads. Two methods were proposed for this purpose, the first is exact based on node-link formulations, and the other is a two phase heuristic based on link-path formulations