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Optimization Design of Buffering and Walking Foot for Planetary Legged Robots

  • School of Mechatronics Engineering, Harbin Institute of Technology
  • Goertek Inc.

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

The legged robot has better adaptability to terrain in the process of moving and has been considered for future planetary exploration missions. As the part of direct contact with planet soil, the foot will directly affect movement performance and control effect of the legged robot. In this paper, the advantages and disadvantages of various foot configurations of ground legged robot are analyzed, and a coronal foot configuration is proposed. Based on the foot-terrain interaction mechanics model, the size of the coronal foot is optimized with the goal of anti-sinkage, anti-slip and light weight. Then, a high-performance coronal foot with two-stage buffering and touch sensing functions is designed. And the finite element analysis is carried out to verify the reliability of strength and stiffness of the foot in the ultimate working conditions. Finally, the anti-sinkage and tangential traction performance of the coronal foot is verified by quasi-static loading, loading with impact and tangential slip experiments.

Original languageEnglish
Title of host publicationAdvances in Mechanism, Machine Science and Engineering in China - Proceedings of IFToMM CCMMS 2022
EditorsXinjun Liu
PublisherSpringer Science and Business Media Deutschland GmbH
Pages393-408
Number of pages16
ISBN (Print)9789811993978
DOIs
StatePublished - 2023
Externally publishedYes
Event23rd IFToMM China International Conference on Mechanism and Machine Science and Engineering, IFToMM CCMMS 2022 - Yantai, China
Duration: 30 Jul 20221 Aug 2022

Publication series

NameLecture Notes in Mechanical Engineering
ISSN (Print)2195-4356
ISSN (Electronic)2195-4364

Conference

Conference23rd IFToMM China International Conference on Mechanism and Machine Science and Engineering, IFToMM CCMMS 2022
Country/TerritoryChina
CityYantai
Period30/07/221/08/22

Keywords

  • Coronal foot
  • Optimization design
  • Performance verification
  • Planetary legged robots

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