Mobile robot control using intelligent agents

  • Authors:
  • K. Figueiredo;M. Vellasco;M. A. Pacheco

  • Affiliations:
  • ICA: Computational Intelligence Laboratory, Department of Electrical Engineering, PUC-Rio R. Marquês de S. Vicente 225, Gávea, Rio de Janeiro, CEP 22453-900, RJ, Brazil;ICA: Computational Intelligence Laboratory, Department of Electrical Engineering, PUC-Rio R. Marquês de S. Vicente 225, Gávea, Rio de Janeiro, CEP 22453-900, RJ, Brazil;ICA: Computational Intelligence Laboratory, Department of Electrical Engineering, PUC-Rio R. Marquês de S. Vicente 225, Gávea, Rio de Janeiro, CEP 22453-900, RJ, Brazil

  • Venue:
  • Second international workshop on Intelligent systems design and application
  • Year:
  • 2002

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Abstract

The agents' theory offers flexibility for solution of problems whose environment is dynamic and imprecise. The use of the computational intelligence together with the agents' theory seems to be a natural way of providing an agent with intelligence. In this paper we describe the use of intelligent agents, whose intelligence is based on a fuzzy logic system, applied to the control of a robot, simulated by the Khepera simulator [1]. Fuzzy Logic Systems have demonstrated, through the numerous applications in the area, to be an effective procedure for control problems [2][3]. The attitude to be taken at each moment by an agent is defined by a set of fuzzy rules based upon the robot position, its sensor values, distance and angle relative to the target. To prevent the robot from getting stuck by some obstacles, a path memory system was created, forcing the robot to seek new alternatives when it gets trapped [4]. The results obtained demonstrate a successful combination of Computational Intelligence and the Theory of Agents in a control system with ability to avoid deadlock situations.