Mobility and Singularity Analysis of a Class of 2-DOF Rotational Parallel Mechanisms Using a Visual Graphic Approach
Keyword(s):
In this paper, a simple and straightforward visual graphic approach for mobility and singularity analysis of mechanisms is introduced. Although the proposed method is established upon the reciprocal screw system theory, it needs no formula derivation instead knowing about a few simple rules. As a study case, mobility and singularity analysis for a class of two degrees-of-freedom (DOF) rotational parallel mechanisms i.e. well-know Omni-Wrist III with four limbs, and its two derived architectures with three limbs (named T-type and δ-type) is analyzed by the proposed method. As a result, a novel PKM derived from Omni-Wrist III is presented, which has the DOF and kinematics property close to Omni Wrist III.
2014 ◽
Vol 496-500
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pp. 781-784
2018 ◽
Vol 54
(15)
◽
pp. 21
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Keyword(s):
Vestnik of Volga State University of Technology Ser Radio Engineering and Infocommunication Systems
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2016 ◽
Vol 31
(3)
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pp. 53-65