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Bien, Zeungnam
Intelligent Robot Control System Lab
Research Interests
  • Intelligent Control
  • Learning System Methodologies
  • Assistive Robotics
  • Smart Home System

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A HIERARCHICAL STRATEGY FOR PLANNING CRAB GAITS OF A QUADRUPED WALKING ROBOT

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Title
A HIERARCHICAL STRATEGY FOR PLANNING CRAB GAITS OF A QUADRUPED WALKING ROBOT
Author
LEE, YJBien, Zeungnam
Keywords
CRAB GAIT;  QUADRUPED ROBOT;  OPTIMAL STABILITY;  TRAVERSABILITY
Issue Date
1994-01
Publisher
CAMBRIDGE UNIV PRESS
Citation
ROBOTICA, v.12, no., pp.23 - 31
Abstract
A method of planning crab gaits for a quadruped walking robot is proposed. In the conventional gait study, one of the major concerns has been the foothold selection based on a prescribed body motion, but, in the paper, we consider the body motion planning problem under the assumption that a set of irregular footholds is given, and propose a hierarchical strategy. The strategy can be divided into three stages: first, a feasible range of the body movement is sought under the kinematic limit and the stability constraint. Next, a swing-leg sequence is selected with the aid of a proposed measure of trasversability. Finally, an optimal sequence of the body motion is planned by the proposed procedure of optimizing the gait stability margin. To verify the efficiency of the proposed method, simulation results are presented.
URI
https://scholarworks.unist.ac.kr/handle/201301/9180
ISSN
0263-5747
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