Workspace and force-moment transmission of a variable arm type parallel manipulator

Research output: Contribution to journalArticle

10 Citations (Scopus)

Abstract

Kinematic and dynamic characteristics of Stewart platform based parallel manipulators are fixed once they are constructed. Thus parallel manipulators with various configurations are required to meet a variety of applications. In this research a variable arm type parallel manipulator (VAPM) has been developed, in which the length of the arm linking the platform center to the platform-leg contact point can be varied by the actuator. Workspace of the VAPM is larger than that of a traditional Stewart platform and especially the range in which the maximum orientation angles can be maintained is significantly expanded. Furthermore, the characteristics of force and moment transmission between the legs and platform can be adjusted to meet the requirements of various tasks. Kinematic and dynamics analysis was performed to verify the usefulness of the VAPM and the actual hardware was built to demonstrate the feasibility.

Original languageEnglish
Pages (from-to)3666-3671
Number of pages6
JournalProceedings-IEEE International Conference on Robotics and Automation
Volume4
DOIs
Publication statusPublished - 2002

ASJC Scopus subject areas

  • Software
  • Control and Systems Engineering
  • Artificial Intelligence
  • Electrical and Electronic Engineering

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