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Modeling and Simulation of Elementary Robot Behaviors using Associative Memories

Author(s): Claude F. Touzet

Journal: International Journal of Advanced Robotic Systems
ISSN 1729-8806

Volume: 3;
Issue: 2;
Date: 2008;
Original page

Keywords: Robot learning | Kohonen map | self-organizing map | autonomous robotics | associative memory programming | obstacle avoidance.

Today, there are several drawbacks that impede the necessary and much needed use of robot learning techniques in real applications. First, the time needed to achieve the synthesis of any behavior is prohibitive. Second, the robot behavior during the learning phase is ? by definition ? bad, it may even be dangerous. Third, except within the lazy learning approach, a new behavior implies a new learning phase. We propose in this paper to use associative memories (self-organizing maps) to encode the non explicit model of the robot-world interaction sampled by the lazy memory, and then generate a robot behavior by means of situations to be achieved, i.e., points on the self-organizing maps. Any behavior can instantaneously be synthesized by the definition of a goal situation. Its performance will be minimal (not necessarily bad) and will improve by the mere repetition of the behavior.
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