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Dynamic Analysis of the Human-Machine System of a 4-Bar Gait Constraint Mechanism

  • Lailu Li*
  • , Lixun Zhang
  • , Bing Wang
  • , Da Song
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • College of Mechanical and Electrical Engineering, Harbin Engineering University
  • Northeast Electric Power University

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

Abstract

Bar gait constraint mechanism has been proposed in terms of its benefits: low-cost, easy to adjust, and low weight. Aiming to analyze the interaction characteristics between the human body and the end-effector of the 4-Bar mechanism, it is necessary to conduct the dynamic analysis of the human-machine system, including the interaction force, contact force, and joint torque. First, a gait constraint mechanism based on 4-Bar was introduced. Second, the dynamic mathematical model of the human-machine system was established. Third, the dynamic simulation based on the mathematical equations was carried out. The results demonstrate that the interaction force between the machine and the human body is smooth. The human joint torques are also in a reasonable range, indicating that the 4-Bar gait constraint mechanism could assist individuals with locomotion obstacles to achieve low-limb exercises.

Original languageEnglish
Title of host publication2022 5th International Conference on Mechatronics, Robotics and Automation, ICMRA 2022
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages31-35
Number of pages5
ISBN (Electronic)9781665472654
DOIs
StatePublished - 2022
Event5th International Conference on Mechatronics, Robotics and Automation, ICMRA 2022 - Virtual, Online, China
Duration: 25 Nov 202227 Nov 2022

Publication series

Name2022 5th International Conference on Mechatronics, Robotics and Automation, ICMRA 2022

Conference

Conference5th International Conference on Mechatronics, Robotics and Automation, ICMRA 2022
Country/TerritoryChina
CityVirtual, Online
Period25/11/2227/11/22

Keywords

  • 4-Bar
  • dynamic
  • gait
  • human-machine
  • simulation

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