Active damping of the 1D rocking mode


Babakhani, Bayan and Vries, Theo de (2010) Active damping of the 1D rocking mode. In: IEEE International Conference on Mechatronics and Automation, ICMA 2010, 4-7 Aug 2010, Xi'an, China (pp. pp. 1370-1375).

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Abstract:Active damping of a rotational vibration mode in the linear guidance of a precision machine in a one dimensional (1D) setting is considered in this paper. This so-called rocking mode presents itself in machines having linear actuation. The limitation this vibration mode imposes on the machine precision and closed-loop bandwidth can be overcome by means of active damping. Implementing active damping in a collocated fashion in combination with a passive control algorithm guarantees the robust stability of the system. Active damping control operates in parallel with the motion controller if one is present. These controllers operate completely independently of each other. The overall result is that a higher bandwidth can be achieved for the closed-motion-loop involving the actively damped plant. This improves the performance of the machine in terms of response
time, settling time and steady-state and/or set-point error.
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Copyright:© 2010 IEEE
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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