Examinando por Materia "Sistemas Multiagentes"
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Ítem Experts's agreement support for distributed engineering Knowledge Modelling(Springer Berlin Heidelberg, 2013) Mejía Gutiérrez, Ricardo; Calad Álvarez, Alejandro; Zuluaga Holguín, Daniel; Universidad EAFIT. Departamento de Ingeniería de Diseño; Ricardo Mejia (rmejiag@eafit.edu.co); Alejandro Calad (acaladal@eafit.edu.co); Daniel Zuluaga (dzulua19@eafit.edu.co); Ingeniería de Diseño (GRID)Knowledge sharing among partners in collaborative and concurrent engineering processes is becoming more critical for decision-making in Product Design Engineering (PDE) -- The approach presented in this article proposes a Fuzzy Logic (FL) based semi-automatic support for reaching agreements in the definition of variable’s domain under a Constraint Satisfaction Problem (CSP) modelling process -- A negotiation model is proposed, including suggestions about preferred domains for a variable that it is used for more than one expert -- Competence of the users involved in the negotiation is measured with a set of developed indexes -- A Fuzzy Inference System (FIS) is used to calculate user’s indexes and suggestions about the domain are made based on the proposed domains and competence index of the experts -- The proposal is included in a Multi-Agent System (MAS) for supporting distributed knowledge modellingÍtem Knowledge modelling for supporting decision making in optimal distributed design process(IEEE, 2007-12-02) Mejía Gutiérrez, Ricardo; Fischer Estia, Xavier; Bennis, Fouad; Universidad EAFIT. Departamento de Ingeniería de Diseño; Ricardo Mejia (rmejiag@eafit.edu.co); Ingeniería de Diseño - GRIDA methodology for distributed knowledge modeling will be presented in this article, in order to contribute to a better decision making during design problems analysis -- An optimal design process refers to setting up coherent numerical models and it requires a well structured problem definition -- However, a lack of downstream information in early stages of product development leads to a complicated elicitation task that became an issue due to nowadays distributed environments -- A Multi-Agent approach is proposed to support the distributed knowledge elicitation process -- A set of agents will guide members from the distributed design team, throughout the product life cycle, to extract relevant information and analyze it -- The interaction among agents will highlight potential incoherencies during the modeling process, in order to enable partners to avoid inconsistent information -- A coherent knowledge base is then constructed and ready to be used to create models to be analyzed by traditional inference engines such as optimization solvers,constraint satisfaction programming, etcÍtem A Multi - Agent approach for engineering design knowledge modelling(Springer-Verlag Berlin Heidelberg, 2011) Mejía Gutiérrez, Ricardo; Cálad Álvarez, Alejandro; Ruiz Arenas, Santiago; Mejía Gutiérrez, Ricardo; Cálad Álvarez, Alejandro; Ruiz Arenas, Santiago; Universidad EAFIT. Departamento de Ingeniería de Diseño. Grupo de Investigación en Ingeniería de Diseño - GRID; Universidad EAFIT. Departamento de Ingeniería de Diseño; Ricardo Mejía-Gutiérrez (rmejiag@eafit.edu.co); Alejandro Cálad-Álvarez (acaladal@eafit.edu.co); Santiago Ruiz-Arenas (sruizare@eafit.edu.co); Ingeniería de Diseño (GRID)Usually a product design process implies collaborative work between experts located in different geographical locations -- This context makes the process of taking design decisions more difficult and slow -- Nowadays, definition of variables and constraints is a key issue, that experts related with product design have to face throughout the product lifecycle -- A Multi-Agent system is proposed for tutoring experts in a standardized manner for the definition of variables and constraints -- This domain specific knowledge will be use to build “Constraint Satisfaction Problem” models to support early stages of product design, specifically embodiment designÍtem W-planner model and development: multi-agent online system applied to e-tourism(Universidad EAFIT, 2005-04-01) Castillo, Luis F.; Corchado, J. F.; Bedia, Manuel; Universidad Autónoma de Manizales; Universidad de Salamanca; Universidad de Salamanca