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JACIII Vol.13 No.6 pp. 608-614
doi: 10.20965/jaciii.2009.p0608
(2009)

Paper:

Construction of Semi-Markov Decision Process Models of Continuous State Space Environments Using Growing Cell Structures and Multiagent k-Certainty Exploration Method

Takeshi Tateyama*, Seiichi Kawata**, and Yoshiki Shimomura***

*Tokyo Metropolitan University, 6-6 Asahigaoka, Hino, Tokyo 191-0065, Japan

**Advanced Institute of Industrial Technology, 1-10-40 Higashiohi , Shinagawa-ku, Tokyo 140-0011, Japan

***Tokyo Metropolitan University, 6-6 Asahigaoka, Hino, Tokyo 191-0065, Japan

Received:
April 16, 2009
Accepted:
July 31, 2009
Published:
November 20, 2009
Keywords:
reinforcement learning, k-certainty exploration method, growing cell structure, parallel reinforcement learning, mobile robot navigation
Abstract

k-certainty exploration method, an efficient reinforcement learning algorithm, is not applied to environments whose state space is continuous because continuous state space must be changed to discrete state space. Our purpose is to construct discrete semi-Markov decision process (SMDP) models of such environments using growing cell structures to autonomously divide continuous state space then using k-certainty exploration method to construct SMDP models. Multiagent k-certainty exploration method is then used to improve exploration efficiency. Mobile robot simulation demonstrated our proposal’s usefulness and efficiency.

Cite this article as:
Takeshi Tateyama, Seiichi Kawata, and Yoshiki Shimomura, “Construction of Semi-Markov Decision Process Models of Continuous State Space Environments Using Growing Cell Structures and Multiagent k-Certainty Exploration Method,” J. Adv. Comput. Intell. Intell. Inform., Vol.13, No.6, pp. 608-614, 2009.
Data files:
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