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A switching controller system for a wheeled mobile robot

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Abstract

A wheeled mobile mechanism with a passive and/or active linkage mechanism for rough terrain environment is developed and evaluated. The wheeled mobile mechanism which has high mobility in rough terrain needs sophisticated system to adapt various environments.

We focus on the development of a switching controller system for wheeled mobile robots in rough terrain. This system consists of two sub-systems: an environment recognition system using link angles and an adaptive control system. In the environment recognition system, we introduce a Self-Organizing Map (SOM) for clustering link angles. In the adaptive controllers, we introduce neural networks to calculate the inverse model of the wheeled mobile robot.

The environment recognition system can recognize the environment in which the robot travels, and the adjustable controllers are tuned by experimental results for each environment. The dual sub-system switching controller system is experimentally evaluated. The system recognizes its environment and adapts by switching the adjustable controllers. This system demonstrates superior performance to a well-tuned single PID controller.

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Authors and Affiliations

  1. Department of Brain Science and Engineering, Kyushu Institute of Technology, 808-0196, Kitakyushu, Japan

    Masanori Sato, Atushi Kanda & Kazuo Ishii

Authors
  1. Masanori Sato
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  2. Atushi Kanda
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  3. Kazuo Ishii
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Correspondence to Masanori Sato.

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Sato, M., Kanda, A. & Ishii, K. A switching controller system for a wheeled mobile robot. J Bionic Eng 4, 281–289 (2007). https://doi.org/10.1016/S1672-6529(07)60042-0

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  • DOI: https://doi.org/10.1016/S1672-6529(07)60042-0

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