Дисертації з теми "Autonomous agents and multiagent systems"
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Hurt, David. "An Empirical Evaluation of Communication and Coordination Effectiveness in Autonomous Reactive Multiagent Systems." Thesis, University of North Texas, 2005. https://digital.library.unt.edu/ark:/67531/metadc4770/.
Повний текст джерелаOyenan, Walamitien Hervé. "An algebraic framework for compositional design of autonomous and adaptive multiagent systems." Diss., Kansas State University, 2010. http://hdl.handle.net/2097/3869.
Повний текст джерелаDepartment of Computing and Information Sciences
Scott A. DeLoach
Organization-based Multiagent Systems (OMAS) have been viewed as an effective paradigm for addressing the design challenges posed by today’s complex systems. In those systems, the organizational perspective is the main abstraction, which provides a clear separation between agents and systems, allowing a reduction in the complexity of the overall system. To ease the development of OMAS, several methodologies have been proposed. Unfortunately, those methodologies typically require the designer to handle system complexity alone, which tends to lead to ad-hoc designs that are not scalable and are difficult to maintain. Moreover, designing organizations for large multiagent systems is a complex and time-consuming task; design models quickly become unwieldy and thus hard to develop. To cope with theses issues, a framework for organization-based multiagent system designs based on separation of concerns and composition principles is proposed. The framework uses category theory tools to construct a formal composition framework using core models from the Organization-based Multiagent Software Engineering (O-MASE) framework. I propose a formalization of these models that are then used to establish a reusable design approach for OMAS. This approach allows designers to design large multiagent organizations by reusing smaller composable organizations that are developed separately, thus providing them with a scalable approach for designing large and complex OMAS. In this dissertation, the process of formalizing and composing multiagent organizations is discussed. In addition, I propose a service-oriented approach for building autonomous, adaptive multiagent systems. Finally, as a proof of concept, I develop two real world examples from the domain of cooperative robotics and wireless sensor networks.
Davis, Cledo L. "The systems integration of autonomous behavior analysis to create a "Maritime Smart Environment" for the enhancement of maritime domain awareness." Thesis, Monterey, California : Naval Postgraduate School, 2010. http://edocs.nps.edu/npspubs/scholarly/theses/2010/Jun/10Jun%5FDavis.pdf.
Повний текст джерелаThesis Advisor(s): Goshorn, Rachel ; Goshorn, Deborah. "June 2010." Description based on title screen as viewed on June 24, 2010. Author(s) subject terms: Anomaly Detection, Artificial Intelligence, Automation, Behavior Analysis, Distributed Artificial Intelligence, Intelligence-Surveillance-Reconnaissance, Maritime Domain Awareness, Maritime Force Protection, Multi-agent Systems, Network-centric Operations, Network-centric Systems Engineering, Network-centric Warfare, Smart Sensor Networks, Systems Engineering, Systems Integration, System of Systems. Includes bibliographical references (p. 209-212). Also available in print.
Seppecher, Pascal. "Modélisation multi-agents d'une économie monétaire de production : un système dynamique et complexe d'interactions réelles et monétaires entre des agents multiples, hétérogènes, autonomes et concurrents." Phd thesis, Université de Nice Sophia-Antipolis, 2011. http://tel.archives-ouvertes.fr/tel-00693151.
Повний текст джерелаSeelam, Aruntej. "REORGANIZATION OF MASSIVE MULTIAGENT SYSTEMS: MOTL/O." Available to subscribers only, 2009. http://proquest.umi.com/pqdweb?did=1966550041&sid=3&Fmt=2&clientId=1509&RQT=309&VName=PQD.
Повний текст джерелаOyenan, Walamitien Hervé. "An algebraic framework for compositional design of autonomous and adaptive multiagent systems." Manhattan, Kan. : Kansas State University, 2010. http://hdl.handle.net/2097/3869.
Повний текст джерелаJarne, Ornia Daniel. "Ant Colony Algorithms andits applications to Autonomous Agents Systems." Thesis, KTH, Optimeringslära och systemteori, 2017. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-217391.
Повний текст джерелаMed den senaste tidens utveckling inom autonoma agentsystem och teknologier, finns ett ökat intresse för utveckling av styralgoritmer och metoder för att koordinera stora mängder robotenheter. Inom detta område visar användandet av biologiskt inspirerade algoritmer, baserade på naturliga svärmbeteenden, intressanta egenskaper som kan utnyttjas i styrandet av system som innefattar ett flertal agenter. Dessa är uppbyggda av simpla instruktioner och kommunikationsmedel för att tillgodose struktur i systemet. I synnerhet fokuserar detta masterexamensarbete på studier av Ant Colony-algoritmer, baserade på stigmergy-interaktion för att koordinera enheter och få dem att utföra specifika uppgifter. Den första delen behandlar den teoretiska bakgrunden och konvergensbevis medan den andra delen i huvudsak består av experimentella simuleringar samt resultat. Till detta ändamål har metriska parametrar utvecklats, vilka ansågs särskilt användbara när planeringen av en enkel bana studerades. Huvudkonceptet som utvecklats i detta arbete är en tillämpning av Shannon- Entropi, vilket mäter enhetlighet och ordning i ett system samt den viktade grafen. Denna parameter har använts för att studera prestandan och resultaten hos ett autonomt agentsystem baserat på Ant Colony-algoritmer. Slutligen har denna styralgoritm modifierats för att utveckla ett händelsestyrt styrschema. Genom att använda egenskaperna hos den viktade grafen (entropi) tillsammans med sensorsystemet hos agentenheterna, så har en decentraliserad händelsestyrd metod implementerats, testats och visat sig ge ökad effektivitet gällande utnyttjandet av systemresurser.
AL-Buraiki, Omar S. M. "Specialized Agents Task Allocation in Autonomous Multi-Robot Systems." Thesis, Université d'Ottawa / University of Ottawa, 2020. http://hdl.handle.net/10393/41504.
Повний текст джерелаHess, Traci J. "A Study of Autonomous Agents in Decision Support Systems." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/11277.
Повний текст джерелаPh. D.
Khan, Majid Ali. "Coalition formation and teamwork in embodied agents." Doctoral diss., University of Central Florida, 2007. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2711.
Повний текст джерелаPh.D.
School of Electrical Engineering and Computer Science
Engineering and Computer Science
Computer Engineering PhD
Meshref, Hossam. "Modeling Autonomous Agents' Behavior Using Neuro-Immune Networks." Diss., Virginia Tech, 2002. http://hdl.handle.net/10919/28473.
Повний текст джерелаPh. D.
Faratin, Peyman. "Automated service negotiation between autonomous computational agents." Thesis, Queen Mary, University of London, 2000. http://qmro.qmul.ac.uk/xmlui/handle/123456789/28945.
Повний текст джерелаTroquard, Nicolas. "Independent agents in branching time : towards a unified framework for reasoning about multiagent systems." Toulouse 3, 2007. http://www.theses.fr/2007TOU30119.
Повний текст джерелаThe work presented in this thesis is a multidisciplinary study of the notion of agency. We build new formal approaches starting on the literature of agency in philosophy of action, game theory or computer science. Belnap and Perloff's STIT theory is our frame of experimentation. This is a logic that stems from philosophy of action based on the observation that an action can be identi_ed with what it brings about. In this tradition, the sentence. Ishmael sails on board the Pequod. Will be paraphrased by. Ishmael sees to it that Ishmael sails on board the Pequod. . Our first contribution is to simplify the axiomatics of a version of the logic restrained to individual agency and without temporal aspects. This allows us to simplify the semantics of STIT as well as to discover a link with product logics. We establish the NEXPTIME-completeness of the problem of satisfiability. We capitalize on the simplifications and extend the axiomatization to coalitional actions. We show that we can embed Coalition Logic in the resulting logic. We also provide an epistemic extension and use it to tackle the problem of epistemically uniform strategies. Then we study further the temporal aspects of agency. We first do it by way of a logic combining STIT with a dynamic logic providing actions with duration, that can be deliberatively continued or aborted along time. We then give an embedding of Alternating-time Temporal Logic in a slightly adapted strategic STIT logic. Having developed a neat understanding of relevant structures of agency, we propose a fine-grained ontology of action and agency
White, Alan Gordon. "CAMP-BDI : an approach for multiagent systems robustness through capability-aware agents maintaining plans." Thesis, University of Edinburgh, 2017. http://hdl.handle.net/1842/31465.
Повний текст джерелаChau, Wan-hin Derek, and 鄒允軒. "Modeling and solving decentralized supply chain management problems using multi-agent system with dynamic-control agents." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2015. http://hdl.handle.net/10722/208622.
Повний текст джерелаpublished_or_final_version
Industrial and Manufacturing Systems Engineering
Doctoral
Doctor of Philosophy
Case, Denise Marie. "Engineering complex systems with multigroup agents." Diss., Kansas State University, 2015. http://hdl.handle.net/2097/19045.
Повний текст джерелаComputing and Information Sciences
Scott A. DeLoach
As sensor prices drop and computing devices continue to become more compact and powerful, computing capabilities are being embedded throughout our physical environment. Connecting these devices in cyber-physical systems (CPS) enables applications with significant societal impact and economic benefit. However, engineering CPS poses modeling, architecture, and engineering challenges and, to fully realize the desired benefits, many outstanding challenges must be addressed. For the cyber parts of CPS, two decades of work in the design of autonomous agents and multiagent systems (MAS) offers design principles for distributed intelligent systems and formalizations for agent-oriented software engineering (AOSE). MAS foundations offer a natural fit for enabling distributed interacting devices. In some cases, complex control structures such as holarchies can be advantageous. These can motivate complex organizational strategies when implementing such systems with a MAS, and some designs may require agents to act in multiple groups simultaneously. Such agents must be able to manage their multiple associations and assignments in a consistent and unambiguous way. This thesis shows how designing agents as systems of intelligent subagents offers a reusable and practical approach to designing complex systems. It presents a set of flexible, reusable components developed for OBAA++, an organization-based architecture for single-group MAS, and shows how these components were used to develop the Adaptive Architecture for Systems of Intelligent Systems (AASIS) to enable multigroup agents suitable for complex, multigroup MAS. This work illustrates the reusability and flexibility of the approach by using AASIS to simulate a CPS for an intelligent power distribution system (IPDS) operating two multigroup MAS concurrently: one providing continuous voltage control and a second conducting discrete power auctions near sources of distributed generation.
Sendi, Naziha. "Transparent approach based on deep learning and multiagent argumentation for hypertension management." Thesis, université Paris-Saclay, 2020. http://www.theses.fr/2020UPASG036.
Повний текст джерелаHypertension is known to be one of the leading causes of heart disease and stroke, killing around 7.5 million people worldwide every year, mostly because of its late diagnosis.In order to confirm the diagnosis of Hypertension, it is necessary to collect repeated medical measurements. One solution is to exploit these measurements and integrate them into Electronic Health Records by Machine Learning algorithms.In this work, we focused on ensemble learning methods that combine several machine learning algorithms for classification. These models have been widely used to improve classification performance of a single classifier. For that purpose, methods such as Bagging and Boosting are used. These methods mainly use majority or weighted voting to integrate the results of the classifiers. However, one major drawback of these approaches is their opacity, as they do not provide results explanation and they do not allow prior knowledge integration. As we use machine learning for healthcare, the explanation of classification results and the ability to introduce domain and clinical knowledge inside the learned model become a necessity.In order to overcome theses weaknesses, we introduce a new ensemble method based on multiagent argumentation.The integration of argumentation and machine learning has been proven to be fruitful and the use of argumentation is a relevant way for combining the classifiers. Indeed, argumentation can imitate human decision-making process to realize resolution of the conflicts.Our idea is to automatically extract the arguments from ML models and combine them using argumentation. This allows to exploit the internal knowledge of each classifier, to provide an explanation for the decisions and to facilitate integration of domain and clinical knowledge.In this thesis, objectives were multiple. From the medical application point of view, the goal was to predict the treatment of Hypertension and the date of the next doctor visit. From the scientific point of view, the objective was to add transparency to ensemble method and to inject domain and clinical knowledge.The contributions of the thesis are various:-Explaining predictions;-Integrating internal classification knowledge;-Injecting domain and clinical knowledge;-Improving predictions accuracy.The results demonstrate that our method effectively provides explanations and transparency of the ensemble methods predictions and is able to integrate domain and clinical knowledge into the system. Moreover, it improves the performance of existing machine learning algorithms
Derakhshan, Farnaz. "The implementation of dynamic assignment of rights, responsibilities and sanctions to external agents in normative multiagent systems." Thesis, University of Liverpool, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.494086.
Повний текст джерелаCasali, Ana. "On intentional and social agents with graded attitudes." Doctoral thesis, Universitat de Girona, 2008. http://hdl.handle.net/10803/7748.
Повний текст джерелаsobre las creencias, deseos e intenciones, presentando en cada caso una axiomática completa y consistente. Para tratar con la semántica operacional del modelo de agente, primero se definió un calculus para la ejecución de sistemas multi-contextos, denominado Multi-context calculus. Luego, mediante este calculus se le ha dado al modelo g-BDI semántica computacional. Por otra parte, se ha presentado una metodología para la ingeniería de agentes g-BDI en un escenario multiagente. El objeto de esta propuesta es guiar el diseño de sistemas multiagentes, a partir de un problema del mundo real. Por medio del desarrollo de un sistema recomendador en turismo como caso de estudio, donde el agente recomendador tiene una arquitectura g-BDI, se ha mostrado que este modelo es valioso para diseñar e implementar agentes concretos. Finalmente, usando este caso de estudio se ha realizado una experimentación sobre la flexibilidad y performance del modelo de agente g-BDI, demostrando que es útil para desarrollar agentes que manifiesten conductas diversas. También se ha mostrado que los resultados obtenidos con estos agentes recomendadores modelizados con actitudes graduadas, son mejores que aquellos alcanzados por los agentes con actitudes no-graduadas.
The central contribution of this dissertation is the proposal of a graded BDI agent model (g-BDI), specifying an architecture capable of representing and reasoning with graded mental attitudes. We consider that making the BDI architecture more exible will allow us to design and develop agents capable of improved performance in uncertain and dynamic environments, serving other agents (human or not) that may have a set of graded motivations.
In the g-BDI model, the agent graded attitudes have an explicit and suitable representation. Belief degrees represent the extent to which the agent believes a formula to be true. Degrees of positive or negative desires allow the agent to set di_erent levels of preference or rejection respectively. Intention degrees also give a preference measure but, in this case, modelling the cost/benefit trade off of achieving an agent's goal. Then, agents having different kinds of behaviour can be modelled on the basis of the representation and interaction of their graded attitudes. The formalization of the g-BDI agent model is based on Multi-context systems and in order to represent and reason about the beliefs, desires and intentions, we followed a many-valued modal approach. Also, a sound and complete axiomatics for representing each graded attitude is proposed. Besides, in order to cope with the operational semantics aspects of the g-BDI agent model, we first defined a Multi-context calculus for Multi-context systems execution and then, using this calculus we give this agent model computational meaning.
Furthermore, a software engineering process to develop graded BDI agents in a multiagent scenario is presented. The aim of the proposed methodology is to guide the design of a multiagent system starting from a real world problem. Through the development of a Tourism recommender system, where one of its principal agents is modelled as a g-BDI agent, we show that the model is useful to design and implement concrete agents.
Finally, using the case study we have made some experiments concerning the exibility and performance of the g-BDI agent model, demonstrating that this agent model is useful to develop agents showing varied and rich behaviours. We also show that the results obtained by these particular recommender agents using graded attitudes improve those achieved by agents using non-graded attitudes.
Frozza, Rejane. "Simula : ambiente para desenvolvimento de sistemas multiagentes reativos." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 1997. http://hdl.handle.net/10183/17923.
Повний текст джерелаMultiagent Systems is a subject of study in DAI (Distributed Artificial Intelligence) in which a group of agents interacts with the same tool . DAI is based on social behavior of agents (human and artificial ones) focus on actions and interactions of them . Those agents can be cognitive or reactive . Reactive Multiagent Systems have been used in research and studies linked to important fields of use that generates the development of systems not only for academic areas but also to meet the needs of industrial market. As we have the objective of ranging a research field of multiagent systems, this work comes up with a definition and implementation of a prototype of a software tool which enables the application development in reactive multiagent system . This tool has the purpose to ease the creation of such applications like the use of agents and consequently achieving a satisfactory result . The tool is called SIMULA and it enables the user to create his own applications through elements from a graphic interface . The user who interacts with the tool determines the agents involved in the problem and how they will act in the process of solving this matter . Applications are developed based in models created by the user. In order to characterize the tool SIMULA , three models of reactive multiagent systems found in [STE 90] , [DEM 93] and [FER 91] have been studied and analyzed. A comparative table has been made according to definite criteria. These models allow shaping the applications in which the process of problem solving represented by such applications seems adequate to the characteristics of reactive agents . Validation of use of SIMULA tool involved modeling of three applications : performance of robots in mineral prospection defined in [STE 90] , PENGI game defined in [AGR 87] and [FER 91] and perfomance of parasite in controlling crop plagues that is being a novelty.
Collins, N. M. "Towards autonomous agents for live computer music : realtime machine listening and interactive music systems." Thesis, University of Cambridge, 2007. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.597873.
Повний текст джерелаLutzhöft, Margareta. "Self-organised communication in autonomous agents: A critical evaluation of artificial life models." Thesis, University of Skövde, Department of Computer Science, 2000. http://urn.kb.se/resolve?urn=urn:nbn:se:his:diva-485.
Повний текст джерелаThis dissertation aims to provide a critical evaluation of artificial life (A-Life) models of communication in autonomous agents. In particular the focus will be on the issue of self-organisation, which is often argued to be one of the characteristic features distinguishing A-life from other approaches. To ground the arguments, a background of the study of communication within artificial intelligence is provided. This is followed by a comprehensive review of A-Life research on communication between autonomous agents, which is evaluated by breaking down self-organisation into the following sub-questions. Is communication self-organised or hard-coded? What do signals mean to the agents, and how should an external examiner interpret them? Is there any spatial or temporal displacement, or do agents only communicate about their present situation? It is shown that there is very little self-organised communication, as yet, when examined on these grounds, and that most models only look at communication as relatively independent from other behaviours. As a conclusion, it is suggested to use integrated co-evolution of behaviours, including communication, in the spirit of the enactive cognitive science paradigm, and by using incremental evolution combined with learning.
Evans, Katherine. "The Implementation of Ethical Decision Procedures in Autonomous Systems : the Case of the Autonomous Vehicle." Thesis, Sorbonne université, 2021. http://www.theses.fr/2021SORUL003.
Повний текст джерелаThe ethics of emerging forms of artificial intelligence has become a prolific subject in both academic and public spheres. A great deal of these concerns flow from the need to ensure that these technologies do not cause harm—physical, emotional or otherwise—to the human agents with which they will interact. In the literature, this challenge has been met with the creation of artificial moral agents: embodied or virtual forms of artificial intelligence whose decision procedures are constrained by explicit normative principles, requiring the implementation of what is commonly called artificial morality into these agents. To date, the types of reasoning structures and principles which inform artificial morality have been of two kinds: first, an ethically maximal vision of artificial morality which relies on the strict implementation of traditional moral theories such as Kantian deontology or Utilitarianism, and second, a more minimalist vision which applies stochastic AI techniques to large data sets of human moral preferences so as to illicit or intuit general principles and preferences for the design of artificial morality. Taken individually, each approach is unable to fully answer the challenge of producing inoffensive behavior in artificial moral agents, most especially since both forms are unable to strike a balance between the ideal set of constraints which morality imposes on one hand, and the types of constraints public acceptability imposes, on the other. We provide an alternative approach to the design of artificial morality, the Ethical Valence Theory, whose purpose is to accommodate this balance, and apply this approach to the case of autonomous vehicles
Bunnell, Lawrence. "FinPathlight: Framework for an Ontology-Based, Multiagent, Hybrid Recommender System Designed to Increase Consumer Financial Capability." VCU Scholars Compass, 2019. https://scholarscompass.vcu.edu/etd/5801.
Повний текст джерелаMorge, Maxime. "Syst'eme dialectique multi-agents pour l'aide 'a la concertation." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2005. http://tel.archives-ouvertes.fr/tel-00797376.
Повний текст джерелаMagg, Sven. "Self-organised task differentiation in homogeneous and heterogeneous groups of autonomous agents." Thesis, University of Hertfordshire, 2012. http://hdl.handle.net/2299/9038.
Повний текст джерелаLIMA, Allan Diego Silva. "FAct: Um framework para a construção de sistemas multiatores." Universidade Federal de Pernambuco, 2009. https://repositorio.ufpe.br/handle/123456789/1804.
Повний текст джерелаAtores Sintéticos são agentes inteligentes que possuem personalidade, atuam em ambientes multimídias ou virtuais e são representados graficamente por avatares. Estas entidades são utilizadas em sistemas de simuladores como forma de enriquecer a interação entre a aplicação e seus usuários, proporcionando assim aumento da credibilidade do projeto. Com a sua popularização sugiram vários projetos que os utilizam. Estes projetos têm diversos aspectos em comum. Por exemplo, neles seus atores se comunicam e possuem modelos de personalidade. Contudo, apesar das similaridades os projetos encontrados na literatura foram implementados de forma independente. Ou seja, tiveram seu código fonte desenvolvido do zero. Porém, no âmbito dos sistemas multiagentes tal problema não ocorre devido à existência de diversos frameworks multiagentes que agrupam as funcionalidades comuns a tais sistemas, fazendo com que o desenvolvedor implemente apenas o que é relativo ao seu contexto de simulação. Porém, estes frameworks não são utilizados em sistemas multiarores, pois não suportam as peculiaridades dos sistemas multiatores. Buscando solucionar esse problema, este trabalho apresenta o FAct (Framework for Actors), um projeto criado especificamente para auxiliar na construção sistemas multiatores. Ele focado nas características peculiares destes sistemas e tem como principal objetivo reduzir o custo e tempo de desenvolvimento para os projetos baseados nesta tecnologia. Como forma de exemplificar o uso do FAct e avaliar o seu impacto no desenvolvimento de simuladores multiatores, serão apresentados dois simuladores implementados com base no framework
Gâteau, Benjamin. "Modélisation et Supervision d'Institutions Multi-Agents." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2007. http://tel.archives-ouvertes.fr/tel-00777825.
Повний текст джерелаGiansiracusa, Michelangelo Antonio. "A secure infrastructural strategy for safe autonomous mobile agents." Thesis, Queensland University of Technology, 2005. https://eprints.qut.edu.au/16052/1/Michaelangelo_Giansiracusa_Thesis.pdf.
Повний текст джерелаGiansiracusa, Michelangelo Antonio. "A Secure Infrastructural Strategy for Safe Autonomous Mobile Agents." Queensland University of Technology, 2005. http://eprints.qut.edu.au/16052/.
Повний текст джерелаCointe, Nicolas. "Jugement éthique pour la décision et la coopération dans les systèmes multi-agents." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSEM043/document.
Повний текст джерелаThe increasing use of multiagent systems in various fields raises the need of autonomous agents able to take into account such ethical principles in their decisions. More and more propositions are published, but they are often agent-centered and they don’t consider the issues raised by the interactions between artificial agents and possibly humans, potentially using another ethics. Our goal is to give the agents the ability to reason on ethics to enable an ethics-based cooperation in multiagent systems. This work presents a model of ethical judgment for artificial autonomous agents in multiagent systems both useful to influence their decisions and behaviors, and describes an ethics-based cooperation framework. This model distinguishes the morality (or theory of the good), describing the goodness of actions in a context regarding a set of moral values and moral rules, and ethics (or theory of the right), describing the rightness of an action regarding a set of ethical principles. The use of this model in the decision process generates a conform behavior regarding the chosen theories of good and right. An agent may also use this model to judge the observed behavior of the other agents and employ this judgment to adapt its own behavior towards the judged agents. The detailed presentation of this model is followed by some experimentations to show the use of this model in a realistic application based on an ethical asset management scenario. The results show how the behaviors of the agents might be impacted and the efficiency of this model to discriminate the behaviors of the others
Poli, Nicola. "Game Engines and MAS: BDI & Artifacts in Unity." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2018. http://amslaurea.unibo.it/15657/.
Повний текст джерелаWang, Zhu Wei. "Multi-agent path finding in an order picking system." Thesis, University of Macau, 2018. http://umaclib3.umac.mo/record=b3950627.
Повний текст джерелаSzwaykowska, Klementyna. "Controlled Lagrangian particle tracking: analyzing the predictability of trajectories of autonomous agents in ocean flows." Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/50357.
Повний текст джерелаLucien, Laurent. "Contribution à une modélisation globale de la collaboration dans les systèmes multi-agents : Application aux entités mobiles intelligentes." Thesis, Bourgogne Franche-Comté, 2018. http://www.theses.fr/2018UBFCD039/document.
Повний текст джерелаWe live today in an increasingly complex and interconnected world where many entities, increasingly intelligent, generate a multitude of interactions that can contribute to enrich their capabilities.We are interested in collaboration that will enable complex tasks to be performed by these machines of today and tomorrow by stimulating these structured interactions and integrating intelligent decision-making processes. In this way, it will contribute to improve their functioning and will be able to participate in their improvement (better knowledge of their environment, speed of action and decision-making, provision of new skills).The main objective of the thesis is therefore to contribute to the understanding of what collaboration is, from its definition to its implementation, by highlighting its underlying concepts. We propose a method of analysis (needs and constraints) and a collaborative agent architecture model (HACCA) to integrate all the characteristics of the collaborative processes that we present. We are also showing a first implementation in the GAMA multi-agent platform.As part of this study, we are interested in two cases of application of mobile entities: drones and connected vehicles.Thus we also contribute more to the autonomy needs and decision-making process of drones, connected and autonomous vehicles of the future, in a constrained temporal context where the quality of interactions is essential to optimize the process of achieving objectives
Estgren, Martin. "Lightweight User Agents." Thesis, Linköpings universitet, Artificiell intelligens och integrerad datorsystem, 2016. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-129909.
Повний текст джерелаOuzrout, Yacine. "Modélisation et Simulation d'Organisations Productives Réactives: Une Approche Moiti-Agents." Phd thesis, INSA de Lyon, 1990. http://tel.archives-ouvertes.fr/tel-00838911.
Повний текст джерелаBakolas, Efstathios. "Optimal steering for kinematic vehicles with applications to spatially distributed agents." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/42873.
Повний текст джерелаCoutinho, Luciano Reis. "Interoperabilidade organizacional em sistemas multiagentes abertos baseada em engenharia dirigida por modelos." Universidade de São Paulo, 2009. http://www.teses.usp.br/teses/disponiveis/3/3141/tde-29092010-152356/.
Повний текст джерелаThis thesis proposes to integrate systematically organizational models for providing organizational interoperability in open multiagent systems. Organizational interoperability consists in enabling the participation, in the same agent organization, of agents developed with different organizational models. For this purpose, it is applied an approach based on techniques from Model-driven Engineering. The approach is divided in three main steps: (1) to represent the conceptual structure of organizational models by means of metamodels; (2) to identify correspondences among the conceptual structures of the organizational models using as heuristics the idea of organizational modeling dimensions and patterns; (3) to combine the metamodels of the organizational models by following a merge algorithm based on graphs and graph articulations. Using the proposed approach, four existing organizational models are integrated: AGR, STEAM, MOISE+ and ISLANDER. To illustrate the use of the integration, an organizational interoperability infrastructure called MAORI (Model-driven Architecture for Organizational Interoperability) is specified and implemented. The MAORI infrastructure is structured in two layers: (1) the M2M layer, in which the integration of models is used to translate the organizational specifications and states, and (2) the ORI layer, in which the organizational infrastructures are interconnected. To test and validate the approach, MAORI infrastructure was implemented for the organizational infrastructures S-MOISE+ and MADKIT, and an application called Write Paper was developed. Using the implementations, some experiments were done. The results show that the organizational model integration, implemented in the MAORI infrastructure, effectively interconnects distinct organizational infrastructures and enables the participation, in the same agent organization, of agents developed with different organizational models.
Kieling, Gustavo Luiz. "Inserção de conhecimento probabilístico para construção de agentes BDI modelados em redes bayesianas." reponame:Biblioteca Digital de Teses e Dissertações da UFRGS, 2011. http://hdl.handle.net/10183/28741.
Повний текст джерелаAchieving faithful representation of knowledge is a historic and still unreached goal in the area of Artificial Intelligence. Problems are solved and decisions are made taking into consideration different kinds of knowledge, from which many are biased, inaccurate, ambiguous or still incomplete. Computational systems that store knowledge in many different ways have been built in order to emulate the capacity of human knowledge representation, taking into consideration the several inherent difficulties to it. Within this context, this paper proposes an experiment that utilizes two distinct ways of representing knowledge: symbolic, BDI in this case, and probabilistic, Bayesian Networks in this case. In order to develop a proof of concept of this propose of knowledge representation, examples that will be built through agent oriented programming technology will be used. For that, implementation of a MultiAgent System was developed, extending the Jason framework through the implementation of a plugin called COPA. For the representation of probabilistic knowledge, a Bayesian Network building tool, also adapted to this system, was used. The case studies showed improvement in the management of uncertain knowledge in relation to the building approaches of classic BDI agents, i.e., that do not use probabilistic knowledge.
Assaad, Mohamad Ali. "An overview on systems of systems control : general discussions and application to multiple autonomous vehicles." Thesis, Compiègne, 2019. http://www.theses.fr/2019COMP2466/document.
Повний текст джерелаThis thesis focuses on System of Systems (SoS) control, and how to build adaptable and reliable SoS. This work is part of the Labex MS2T laboratory of excellence on technological SoS development. SoS are complex systems that consist of multiple independent systems that work together to achieve a common goal. SoS Engineering is an approach that focuses on how to build and design reliable SoS that can adapt to the dynamic environment in which they operate. Given the importance of controlling constituent systems (CS) in order to achieve SoS objectives, the first part of this thesis involved a literature study about the subject of SoS control. Some control methods exist for large-scale systems and multi-agent systems, namely, hierarchical, distributed, and decentralized control might be useful and are used to control SoS. These methods are not suitable for controlling SoS in its whole, because of the independence of their CS; whereas, multi-views frameworks are more suitable for this objective. A general framework approach is proposed to model and manage the interactions between CS in a SoS. The second part of our work consisted of contributing to Intelligent Transportation Systems. For this purpose, we have proposed the Cooperative Maneuvers Manager for Autonomous Vehicles (CMMAV), a framework that guides the development of cooperative applications in autonomous vehicles. To validate the CMMAV, we have developed the Cooperative Lateral Maneuvers Manager (CLMM), an application on the autonomous vehicles that enables equipped vehicles to exchange requests in order to cooperate during overtaking maneuvers on highways. It was validated by formal scenarios, computer simulations, and tested on the autonomous vehicles of the Equipex Robotex in Heudiasyc laboratory
Verdaguer, Planas Marta. "Avaluació del paradigma d'agents en la gestió d'un sistema complex d'aigües residuals." Doctoral thesis, Universitat de Girona, 2012. http://hdl.handle.net/10803/97128.
Повний текст джерелаLa tesi presenta i avalua l’aplicació del paradigma d’agents en la gestió d’un sistema d’aigües residuals urbanes. El sistema es conceptualitza com a sistema multiagent a partir del desenvolupament dels models d’agents i d’enllaços de comunicació. En el desenvolupament s’evidencia que la coordinació (de volums i càrregues contaminants) entre totes les aportacions d’aigües residuals al tractament i la capacitat disponible d’aquest, constitueix un punt clau del funcionament del sistema. Per tal de considerar-ho, es defineix un agent Coordinador que executa la coordinació de les aportacions al tractament i a més, la priorització dels efluents industrials quan el tractament no disposa de capacitat suficient per admetre totes les propostes d’aportacions. La priorització es resol emprant una metaheurística d’optimització de colònia de formigues, la qual s’instancia mitjançant quatre versions algorísmiques diferents. Per últim, s’implementa el sistema i s’executen cicles consecutius de simulació mostrant com el paradigma constitueix una proposta factible.
Ben, Hmida Faten. "Evaluation des performances des systèmes multi-agents." Thesis, Bordeaux 1, 2013. http://www.theses.fr/2013BOR15200/document.
Повний текст джерелаThis thesis focuses on the issue of MultiAgent Systems (MAS) evaluation. The MAS own characteristics, namely autonomy, distribution, dynamicity and sociality, have greatly contributed to the expansion of their application scope; but in return they made their analysis more difficult. Thus, evaluation methods in classic computer systems are insufficient to analyse MAS, since they do not take into account their specificities. The objective of this thesis is to provide a generic approach for the evaluation of MAS by measuring their functional characteristics. To this end, the need for information about the execution of the system to be evaluated is evident. In this context, a new approach to observe MAS is proposed. The results of these observations are exploited to build an abstraction model of the system which is studied in order to define performance metrics. The analysis focuses on two key characteristics, at the basis on the dynamics and sociality in MAS: communication and organization. The experiments of the proposed solution are performed on two multiagent applications. The first is an application of fault diagnosis in an industrial environment and the second is an application of control and production planning in supply chains
Galland, Stéphane. "Méthodologie et outils pour la simulation multiagent dans des univers virtuels." Habilitation à diriger des recherches, Université de Franche-Comté, 2013. http://tel.archives-ouvertes.fr/tel-00936334.
Повний текст джерелаSuárez, Barón Silvia Andrea. "Dynamic task allocation and coordination in cooperative multi-agent environments." Doctoral thesis, Universitat de Girona, 2011. http://hdl.handle.net/10803/7754.
Повний текст джерелаDistributed task allocation and coordination have been the focus of recent research in last years and these topics are the heart of multi-agent systems. Agents in these systems need to cooperate and consider the other agents in their actions and decisions. Moreover, agents may have to coordinate themselves to accomplish complex tasks that need more than one agent to be accomplished. These tasks may be so complicated that the agents may not know the location of them or the time they have before the tasks become obsolete. Agents may need to use communication in order to know the tasks in the environment, otherwise, it may take a long time to find the tasks into the scenario. Similarly, the distributed decisionmaking process may be even more complex if the environment is dynamic, uncertain and real-time. In this dissertation, we consider constrained cooperative multi-agent environments (dynamic, uncertain and real-time). In this regard, we propose two approaches that enable the agents to coordinate themselves. The first one is a semi-centralized mechanism based on combinatorial auction techniques and the main idea is minimizing the cost of assigned tasks from the central agent to the agent teams. This algorithm takes into account the tasks' preferences of the agents. These preferences are included into the bid sent by the agent. The second one is a completely decentralized scheduling approach. It permits agents schedule their tasks taking into account temporal tasks' preferences of the agents. In this case, the system's performance depends not only on the maximization or the optimization criterion, but also on the agents' capacity to adapt their schedule efficiently. Furthermore, in a dynamic environment, execution errors may happen to any plan due to uncertainty and failure of individual actions. Therefore, an indispensable part of a planning system is the capability of replanning. This dissertation is also providing a replanning approach in order to allow agents recoordinate his plans when the environmental problems avoid fulfil them. All these approaches have been carried out to enable the agents to efficiently allocate and coordinate all their complex tasks in a cooperative, dynamic and uncertain multi-agent scenario. All these approaches have demonstrated their effectiveness in experiments performed in the RoboCup Rescue simulation environment.
Carabelea, Cosmin. "Raisonner sur l'autonomie d'un agent au sein de systèmes multi-agents ouverts : une approche basée sur les relations de pouvoir." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2007. http://tel.archives-ouvertes.fr/tel-00786141.
Повний текст джерелаHoang, Thi Thanh Ha. "Un modèle multi-agent récursif générique pour simplifier la supervision de systèmes complexes artificiels décentralisés." Thesis, Grenoble, 2012. http://www.theses.fr/2012GRENM033/document.
Повний текст джерелаObservation of large scale artificials systems is difficult because of their dimension and their openness. This thesis proposes a model SMA-R (Recursive Multi-Agent Systems) based on recursion for multi-level observation of artificial complex systems. From a given SMA, this model is able to build multi-level of abstractions. The model's agent has a module containning knowledge, skills and context of recursion, an eye to observe changes; two mechanisms to build or destroy an abstract level, a module of recursive interaction to support collective and individual behaviors. For applying this model to SMA physically decentralized, we proposed a generic decentralized architecture for recursive agent by adopting the concepts of the OSI model which offerts forward capabilities that we look for: multi-level encapsulation, exchange of virtual and physical messages ... A generic decentralized framework was developed allowing applicatives agents to build multi-levels observation. This framework is applied to the observation of a wireless sensor network
Carron, Thibault. "Des Systèmes Multi-Agents temporels pour des systèmes industriels dynamiques." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2001. http://tel.archives-ouvertes.fr/tel-00818319.
Повний текст джерелаDuvallet, Claude. "Des systèmes d'aide à la décision temps réel et distribués : modélisation par agents." Phd thesis, Université du Havre, 2001. http://tel.archives-ouvertes.fr/tel-00005194.
Повний текст джерелаVercouter, Laurent. "Conception et mise en oeuvre de systèmes multi-agents ouverts et distribués." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2000. http://tel.archives-ouvertes.fr/tel-00839604.
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