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A dynamic modeling method for BKX-I PKM based on FEM

  • Jin Quan Li*
  • , Tie Fu
  • , Hong Sheng Ding
  • , Zhen Xing Luan
  • *Corresponding author for this work
  • Beijing University of Posts and Telecommunications

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

Abstract

A modeling method of finite unit dynamics for 6-UPS parallel kinematic machine (PKM) was developed. After the BKX-I PKM was divided into 48 units, the dynamitic equation of individual unit was obtained in both the local coordinate and the entire coordinate systems on the basis of structure matrix analysis. The dynamic equations of all units were then integrated into an equation group in an entire coordinate system based on the continuous conditions of adjacent units. The modal analysis using these resultant equations was conducted, and the obtained results were compared with those of experiments. The comparison shows that the calculation precision of developed modeling method can meet the needs of the structure analysis for PKM. The utilization of this developed method could extend to similar robots.

Original languageEnglish
Title of host publicationProceedings of the IASTED International Conference on Modelling, Simulation, and Identification, MSI 2009
Publication statusPublished - 2009
Externally publishedYes
EventIASTED International Conference on Modelling, Simulation, and Identification, MSI 2009 - Beijing, China
Duration: 12 Oct 200914 Oct 2009

Publication series

NameProceedings of the IASTED International Conference on Modelling, Simulation, and Identification, MSI 2009

Conference

ConferenceIASTED International Conference on Modelling, Simulation, and Identification, MSI 2009
Country/TerritoryChina
CityBeijing
Period12/10/0914/10/09

Keywords

  • Dynamics
  • PKM
  • Robotic design and architecture
  • Structure matrix

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