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JRM Vol.15 No.3 pp. 349-355
doi: 10.20965/jrm.2003.p0349
(2003)

Paper:

3D Visual Information Processing and Gait Control of a Quadruped Robot – for operation on a steep slope protected by a free frame –

Takahiro Doi, Hideyuki Tsukagoshi, and Shigeo Hirose

Tokyo Institute of Technology, 2-12-1, Ookayama, Meguro-ku, Tokyo, 152-8552 Japan

Received:
December 3, 2002
Accepted:
February 13, 2003
Published:
June 20, 2003
Keywords:
walking robot, visual sensor, map generation, intermittent crawl gait, shape recognition
Abstract

Construction work on steep slopes is difficult and dangerous, but it is also difficult to automate work at such type sites. One reason is that construction sometimes calls for movement across a “Free Frame” – a structure built to keep a slope from collapsing – and because of the ups and downs of the natural slope, it is difficult to design a purposeful simple mechanism to move on this frame. We propose a sensor-based quadruped walking robot that moves on the slope without damage to the surface of the frame, and developed a TITAN VII prototype robot. We detail the techniques required by this type robot to move and work on steep slopes. Practical ways of A) detecting positions and orientations of frame surfaces on rough slopes and B) stepping over the frame and maintaining the stability of the robot using positioning, are presented and their effectiveness is verified through experiments.

Cite this article as:
Takahiro Doi, Hideyuki Tsukagoshi, and Shigeo Hirose, “3D Visual Information Processing and Gait Control of a Quadruped Robot – for operation on a steep slope protected by a free frame –,” J. Robot. Mechatron., Vol.15, No.3, pp. 349-355, 2003.
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