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Self-Organization of Place Cells and Reward-Based Navigation for a Mobile Robot[edit]

Takashi TAKAHASHI, Toshio TANAKA, Kenji NISHIDA and Takio KURITA,[edit]

Proc. International Conference on Neural Information Processing(ICONIP2001), paper ID #251, 2001

Abstract[edit]

We investigate a method to navigate a mobile robot by using self-organizing map and reinforcement learning. Modeling hippocampal place cells, the map consists of units activated at specified locations in an environment. In order to adapt the map to a real-world environment, preferred locations of these units are self-organized by Kohonen's algorithm using the robot's actual position data. Then an actor-critic network is provided the position information from the self-organized map and trained to acquire goal-directed behavior of the robot. It is shown by simulation that the network successfully achieves the navigation avoiding obstacles.


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Last-modified: 2014-08-13 (水) 13:45:19 (1198d)