Type synthesis of 3-DOF translational parallel manipulators based on atlas of DOF characteristic matrix

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

Abstract

Low-degree-of-freedom (Low-DOF) parallel manipulators ( PMs ) have drawn extensive interest, particularly in type synthesis in which two main approaches were established in the reciprocal screw system theory and Lie group theory. This paper aims at proposing a new type synthesis method to complementing the above methods. For this purpose, the concept of the DOF characteristic matrix, originated from displacement subgroup and displacement submanifold, is proposed. A new but general approach based on the atlas of DOF Characteristic Matrix is addressed for both exhaustive classification and type synthesis of low-DOF PMs. Compared to the method based on Lie group, the proposed approach is prone to construct an orthogonal structure and easy to realize the complete classification and exhaustive enumeration of a class of low-DOF PM. In order to verify the effectiveness of the proposed method, type synthesis of Translational PMs (TPMs) particularly in ones with an orthogonal structure is performed, resulting in some novel orthogonal TPMs.

Original languageEnglish
Title of host publicationProceedings of 2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006
PublisherAmerican Society of Mechanical Engineers
ISBN (Print)079183784X, 9780791837849
StatePublished - 2006
Event2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006 - Philadelphia, PA, United States
Duration: 10 Sep 200613 Sep 2006

Publication series

NameProceedings of the ASME Design Engineering Technical Conference
Volume2006

Conference

Conference2006 ASME International Design Engineering Technical Conferences and Computers and Information In Engineering Conference, DETC2006
Country/TerritoryUnited States
CityPhiladelphia, PA
Period10/09/0613/09/06

Keywords

  • Degree of freedom
  • Displacement subgroup
  • Translational parallel mechanisms
  • Type synthesis

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