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

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...

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Veröffentlicht in:	IEEE transactions on magnetics 1999-03, Vol.35 (2), p.904-909
Hauptverfasser:	Iwashiro, M., Yatsu, M., Suzuki, H.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Architecture Delay effects Electronics Exact sciences and technology File systems Hard disks Magnetic devices Magnetic heads Magnetic noise Magnetic thin film devices: magnetic heads (magnetoresistive, inductive, etc.) domain-motion devices, etc Mathematical models Optimal control Robustness Sampling methods Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Servomechanisms Signal sampling Time delay Time optimal Time optimal control Tracking control Vibrations
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Beschreibung
Zusammenfassung:	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.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/20.753806