The kinematics algorithm of 3RPS mechanism with compound sphere joint

  • Wan Yong Zhou*
  • , Wu Yi Chen
  • , Xian Guo Han
  • , Fang Zou
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The new schemes for the kinematics algorithm of traditional 3RPS and 3RPS with compound sphere joint were presented. The kinematics algorithm of traditional 3RPS was established by Quaternion, and the constraint equation of compound sphere joint was established by DH method based on Dual quaternion, and then the kinematics algorithm of 3RPS with compound sphere joint was gotten by replacing the constraint equation of spherical hinge with compound sphere joint. Compound sphere joint was determined by three revolving joints. The proposed method is applicable to any position and orientation of three revolving joints and can analyze systematic errors during manufacturing and calculating process. Examples were used to verify that this method can calculate fast with good reliability.

Original languageEnglish
Pages (from-to)91-96
Number of pages6
JournalJournal of Harbin Institute of Technology (New Series)
Volume20
Issue number6
StatePublished - Dec 2013

Keywords

  • 3RPS mechanism
  • Compound sphere joint
  • DH method
  • Dual quaternion
  • Quaternion

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