Controlling the Execution of a Visual Servoing Task

  • Authors:
  • R. Swain Oropeza;M. Devy;V. Cadenat

  • Affiliations:
  • Laboratoire d‘/Analyse et d‘/Architecture des Systè/mes (LAAS-CNRS), 7, Avenue du Colonel Roche, 31077 Toulouse Cedex 4, France/ e-mail: {swain, michel, cadenat}@laas.fr;Laboratoire d‘/Analyse et d‘/Architecture des Systè/mes (LAAS-CNRS), 7, Avenue du Colonel Roche, 31077 Toulouse Cedex 4, France/ e-mail: {swain, michel, cadenat}@laas.fr;Laboratoire d‘/Analyse et d‘/Architecture des Systè/mes (LAAS-CNRS), 7, Avenue du Colonel Roche, 31077 Toulouse Cedex 4, France/ e-mail: {swain, michel, cadenat}@laas.fr

  • Venue:
  • Journal of Intelligent and Robotic Systems
  • Year:
  • 1999

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Abstract

This paper presents the application of the Visual Servoing approach to a mobile robot which must execute coordinate motions in a known indoor environment. In this work, we are interested in the execution and control of basic motions like Go to an object by using the mobile robot H^i l a r e 2 B i s. We use a diagonal matrix for the gain λ to improve the visual servoing behaviour and the potential field formalism to avoid obstacles. Namely, the robot is controlled according to the position of some features in an image. Such a path will be executed by a nonholonomic mobile robot, which has only two degrees of freedom (two wheels), and three configuration parameters (X Y &thetas;); a camera is mounted on the robot close to the end effector of an arm, controlled to add at least a new degree of freedom (&thetas;_p l).