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A Comparative Study among Three Automatic Gait Generation Methods for Quadruped Robots
Kisung SEO Soohwan HYUN
IEICE TRANSACTIONS on Information and Systems
Publication Date: 2014/02/01
Online ISSN: 1745-1361
Print ISSN: 0916-8532
Type of Manuscript: LETTER
Category: Artificial Intelligence, Data Mining
robot automatic gait generation, quadruped robot, genetic algorithm, paw trajectory, joint trajectory, genetic programming, central pattern generator,
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This paper introduces a comparison of three automatic gait generation methods for quadruped robots: GA (Genetic Algorithm), GP (genetic programming) and CPG (Central Pattern Generator). It aims to provide a useful guideline for the selection of gait generation methods. GA-based approaches seek to optimize paw locus in Cartesian space. GP-based techniques generate joint trajectories using regression polynomials. The CPGs are neural circuits that generate oscillatory output from an input coming from the brain. Optimizations for the three proposed methods are executed and analyzed using a Webots simulation of the quadruped robot built by Bioloid. The experimental comparisons and analyses provided herein will be an informative guidance for research of gait generation method.