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Effects of spinal structure on quadruped bounding gait

Published online by Cambridge University Press:  21 July 2022

Chen Lei
Affiliation:
College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin, China State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, China
Chen Dongliang*
Affiliation:
College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin, China
Dong Wei
Affiliation:
State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin, China
*
*Corresponding author. E-mail: chendongliang@hrbeu.edu.cn

Abstract

This paper proposes a robot model with multiple spines and investigates its effects on the bounding gait of quadruped robot. Contrastive tests, carried out by adding an active driving joint (ADJ) and changing the number of passive driving joints, were divided between simulation and physical. The results reveal that the spinal structure (one ADJ and several passive driving joints) is closely related to the performance parameters. Increasing the number of passive driving joints can improve the velocity and energy efficiency. This structure may have significant guidance for designing a quadruped robot.

Type
Research Article
Copyright
© The Author(s), 2022. Published by Cambridge University Press

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