首页|A novel one-degree-of-freedom translational partly compliant mechanism with variable motion direction
A novel one-degree-of-freedom translational partly compliant mechanism with variable motion direction
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NSTL
Elsevier
This study presents the design and analysis of a one-degree-of-freedom (DOF) translational partly compliant mechanism (TPCM) with variable motion direction. The variable motion direction is achieved by using rigid-body internal DOFs to change the poses of flexure beams. The use of rigid-body internal DOFs overcomes the small deflection limit of compliant joints and enables continuous changes in the motion direction. First, a simplified model is developed through mobility analysis and shows that the motion direction of the proposed TPCM can be changed continuously in a spatial manner. Then, the compliance ratio is obtained by decomposing the compliance matrix. It shows that the compliance ratio drops quickly near the singularity and that the motion direction should be limited. Finite element analysis and experiments are conducted to evaluate the design.
Compliance modelingPartly compliant mechanismVariable motion direction
Du J.、Zhang X.、Zhang H.、Zhu B.、Zhong W.
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GuangDong Key Laboratory of Precision Equipment and Manufacturing Technology South China University of Technology
NSTL
Elsevier
