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Vibration rejection control for disk drives by acceleration feedforward control

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2 Author(s)
Sang-Eun Baek ; Samsung Adv. Inst. of Technol., Suwon, South Korea ; Seung-Hi Lee

Considers accelerometer based vibration rejection control for disk drives using acceleration feedforward. A very simple and practical acceleration feedforward control algorithm is proposed to reject the effect of external vibration for improved tracking accuracy. No transfer function from the base frame to the actuator is introduced, while the phase delay of accelerometers is considered. Noticeable improvement in tracking accuracy is observed with the proposed acceleration feedforward control. Through the results of simulation and experiment, it is shown that the proposed simple algorithm is very effective to attain tracking accuracy in the existence of vibration

Published in:

Decision and Control, 1999. Proceedings of the 38th IEEE Conference on  (Volume:5 )

Date of Conference:

1999