Online-learning and Attention-based Approach to Obstacle Avoidance Using a Range Finder

  • Authors:
  • Shuqing Zeng;Juyang Weng

  • Affiliations:
  • Department of Computer Science and Engineering, Michigan State University, East Lansing, USA 48824-1126;Department of Computer Science and Engineering, Michigan State University, East Lansing, USA 48824-1126

  • Venue:
  • Journal of Intelligent and Robotic Systems
  • Year:
  • 2007

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Abstract

The problem of developing local reactive obstacle-avoidance behaviors by a mobile robot through online real-time learning is considered. The robot operated in an unknown bounded 2-D environment populated by static or moving obstacles (with slow speeds) of arbitrary shape. The sensory perception was based on a laser range finder. A learning-based approach to the problem is presented. To greatly reduce the number of training samples needed, an attentional mechanism was used. An efficient, real-time implementation of the approach was tested, demonstrating smooth obstacle-avoidance behaviors in a corridor with a crowd of moving students as well as static obstacles.