A Distributed Model for Mobile Robot Environment-Learning and Navigation

  • Authors:
  • Maja J. Mataric

  • Affiliations:
  • -

  • Venue:
  • A Distributed Model for Mobile Robot Environment-Learning and Navigation
  • Year:
  • 1990

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Abstract

A distributed method for mobile robot navigation, spatial learning, and path planning is presented. It is implemented on a sonar-based physical robot, Toto, consisting of three competence layers: 1) Low-level navigation: a collection of reflex-like rules resulting in emergent boundary-tracing. 2) Landmark detection: dynamically extracts landmarks from the robot''s motion. 3) Map learning: constructs a distributed map of landmarks. The parallel implementation allows for localization in constant time. {\it Spreading of activation} computes both topological and physical shortest paths in linear time. The main issues addressed are: distributed, procedural, and qualitative representation and computation, emergent behaviors, dynamic landmarks, minimized communication.