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Time optimal track-to-track seek control by model following deadbeat control

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3 Author(s)
Iwashiro, M. ; Hard Disk Drive Technol. Dept., Toshiba Corp., Japan ; Yatsu, M. ; Suzuki, H.

This paper proposes a time optimal control method for track-to-track seek. Deadbeat control is applied to model following seek control, in which a single control architecture covers seeking and tracking control. Time delay between head position detection and VCM input was compensated. Experimenting with this control method upon a 2.5 inch HDD, we confirmed that it showed the good performance and control robustness

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Magnetics, IEEE Transactions on  (Volume:35 ,  Issue: 2 )