Type synthesis of 3-DOF parallel manipulators with both a planar operation mode and a spatial translational operation mode

Xianwen Kong*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

92 Citations (Scopus)

Abstract

Type synthesis of multimode parallel manipulators (PMs) (also parallel manipulators with multiple operation modes) is an open issue in the research on reconfigurable mechanisms and robots. This paper deals with the type synthesis of 3-DOF (degree-of-freedom) parallel manipulators with both a planar operation mode and a spatial translational operation mode. The type synthesis of planar parallel manipulators, which refer to parallel manipulators in which the moving platform undergoes planar motion, is first dealt with using the virtual-chain approach. Types of planar parallel manipulators, including those involving Bennett compositional unit (CU), are obtained. Then, the types of 3-DOF parallel manipulators with both a planar operation mode and a translational operation mode are obtained. This paper focuses on 3-DOF parallel manipulators composed of only revolute joints. This work contributes to the type synthesis of parallel manipulators and can be extended to the type synthesis of other classes of multimode parallel manipulators.

Original languageEnglish
Article number041015
Number of pages8
JournalJournal of Mechanisms and Robotics
Volume5
Issue number4
DOIs
Publication statusPublished - Nov 2013

Keywords

  • multimode parallel mechanism
  • Bennett linkage
  • type synthesis
  • reconfigurable mechanism
  • screw theory
  • MECHANISMS

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