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A novel fine track-seeking scheme for optical storage device

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2 Author(s)
Jao-Ming Huang ; Opto-Electron. & Syst. Labs., Ind. Technol. Res. Inst., Hsinchu, Taiwan ; Jia-Yush Yen

This paper presents a novel hybrid track position (HTP) detector for the track jump controller in an optical disk drive. The servo system then draws the feedback information from the HTP position information instead of the conventional track crossing velocity. The proposed design provides more accurate feedback information, and thus more accurate velocity profile. The experimental results show that the proposed controller achieves better seek time performance. The short jump experiments also show that the proposed system can more effectively cancel the disk eccentricity effect.

Published in:

IEEE Transactions on Consumer Electronics  (Volume:49 ,  Issue: 2 )