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Article
Accuracy analysis and error compensation for Tricept machine tool under load
This paper provides an efficient way to estimate the accuracy performance of the Tricept machine tool under load. Both joint clearances and link flexibility are considered. Clearances of the spherical joints a...
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Article
Accuracy analysis of a parallel positioning mechanism with actuation redundancy
A forward accuracy analysis method based on Lie-group theory and screw theory is proposed to analyze the pose error of parallel mechanisms with actuation redundancy. Both the input uncertainty and components s...