Modeling and Simulation of Elementary Robot Behaviors using Associative Memories

• Main Author: Claude F. Touzet
• Format: Article
• Language: English
• Published: SAGE Publishing 2008-11-01
• Series: International Journal of Advanced Robotic Systems
• Subjects: Robot learning; Kohonen map; self-organizing map; autonomous robotics; associative memory programming; obstacle avoidance.
• Online Access: http://www.intechopen.com/articles/show/title/modeling_and_simulation_of_elementary_robot_behaviors_using_associative_memories

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.