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Master's Dissertation
DOI
https://doi.org/10.11606/D.3.2005.tde-13092023-091301
Document
Author
Full name
Emiliano Gonçalves de Castro
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2005
Supervisor
Committee
Tsuzuki, Marcos de Sales Guerra (President)
Carvalho, Jonas de
Takase, Fábio Kawaoka
Title in Portuguese
Inteligência de enxames aplicada na síntese de estratégias de caça em ambiente tridimensional.
Keywords in Portuguese
Inteligência artificial (Otimização)
Sistemas multiagentes
Abstract in Portuguese
Sistemas de inteligência artificial distribuída podem ser ferramentas poderosas numa ampla variedade de aplicações práticas. Sua característica mais surpreendente, o comportamento emergente, é também a maior responsável pela dificuldade em projetar estes sistemas. Este trabalho propõe uma ferramenta capaz de gerar as estratégias individuais para os elementos de um sistema multiagente de forma a proporcionar ao grupo uma maneira de obter os resultados desejados, trabalhando de forma coordenada e cooperativa. Foi adotado como exemplo de aplicação um problema onde um conjunto de predadores deve capturar uma presa no espaço contínuo tridimensional. Foi implementado um sistema de síntese de estratégias cujo mecanismo interno envolve a integração entre um simulador e o algoritmo de otimização por Enxame de Partículas, uma técnica da Inteligência de Enxames. O sistema foi testado em diversos cenários de simulação e foi capaz de sintetizar automaticamente estratégias de caça bem sucedidas, atestando que a ferramenta desenvolvida pode fornecer, contanto que trabalhe com modelos bem elaborados, soluções satisfatórias para problemas de natureza complexa, de difícil resolução a partir de abordagens analíticas.
Title in English
Swarm intellegence applied in the synthesis of hunting strategies in three-dimensional environment.
Keywords in English
Artificial intelligence (Optimization)
Multi-agent systems
Abstract in English
Distributed artificial intelligence systems can be powerful tools in a wide range of practical applications. Its most interesting feature, the emergent behavior, is also the major responsible for the hardness of projecting these systems. This work proposes a tool capable of generating individual strategies for the multiagent system elements in order to provide to the group a way to get the desired results, working in a coordinate and cooperative manner. A problem was adopted as application example where a team of predators must capture a prey in the three-dimensional continuous space. A strategies synthesis system was implemented, whose inner mechanism involves the integration between a simulator and the Particle Swarm optimization algorithm, a Swarm Intelligence technique. The system was tested in several simulation scenarios and was capable of automatically synthesize successful hunting strategies, certifying that the developed tool can supply, as long as it works with well elaborated models, satisfactory solutions for problems of complex nature, of difficult resolution from analytical approaches.
 
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Publishing Date
2023-09-13
 
WARNING: The material described below relates to works resulting from this thesis or dissertation. The contents of these works are the author's responsibility.
  • Castro, E. G., and Tsuzuki, M. S. G. Swarm Intelligence applied in synthesis of hunting strategies in a three-dimensional environment [doi:10.1016/j.eswa.2007.02.031]. Expert Systems with Applications [online], 2008, vol. 34, p. 1995-2003.
  • Castro, E. G., and Tsuzuki, M. S. G. Designing Cooperation Strategy in a 3D Hunting Game Using Swarm Intelligence [doi:10.1109/ISDA.2007.56]. In Seventh International Conference on Intelligent Systems Design and Applications, Rio de Janeiro, 2007. Proceedings of the 7th International Conference on Intelligent Systems Design and Application.Los Alamitos, Estados Unidos : IEEE Computer Society Press, 2007.
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