Closed-form direct kinematics solution for a class of 3-3 RSR Stewart platform manipulators

B. Zhou*, H. Fang, Z. R. Feng

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

This paper presents a novel pose description corresponding to the structure characteristics of parallel manipulators which is convenient and intuitionistic to us. A class of 3-RSR parallel manipulator is considered here. Through analysis on geometry, we obtain a new method of the closed-form solution to the forward kinematics via Mathematica. The closed-form solution contains two different meanings - analytical and real-time. A numerical example is also presented and the results are verified by an inverse kinematics analysis. It shows that the method has a practical value for real-time control.

Original languageEnglish
Pages (from-to)194-195
Number of pages2
JournalJixie Kexue Yu Jishu/Mechanical Science and Technology
Volume20
Issue number2
Publication statusPublished - Mar 2001
Externally publishedYes

Keywords

  • Closed-form solution
  • Direct kinematics
  • Parallel manipulator
  • Pose description

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