Friction-induced instability and vibration in a precision motion stage with a friction isolator
Jiamin Wang,
Xin Dong,
Oumar R. Barry
et al.
Abstract:Motion stages are widely used for precision positioning in manufacturing and metrology applications. However, nonlinear pre-motion friction can significantly affect their control performance and accuracy. This paper analytically studies the dynamical effect of a friction isolator (FI) proposed in previous studies, in which the beneficial effects of FI on improving the robustness, speed, and precision of the system have been experimentally demonstrated. A fundamental understanding of the dynamical effects of FI… Show more
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