Servo bandwidth and positioning accuracy design for high track density disk drives

Possibility of achieving positioning accuracy to meet the areal density of 40 Gb/in/sup 2/ has been studied. Stationary and nonstationary position errors are shown, and the servo design approaches have been proposed. A precise model of head-positioning system has been developed, and the required ope...

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Veröffentlicht in:	IEEE transactions on magnetics 2000-09, Vol.36 (5), p.2216-2218
Hauptverfasser:	Yamaguchi, T., Usui, K., Okuyama, A., Yasuna, K., Akagi, K., Shishida, K.
Format:	Artikel
Sprache:	eng
Schlagworte:	Accuracy Actuators Applied sciences Bandwidth Control systems Crossovers Density Design engineering Disk drives Electric shock Electronics Exact sciences and technology Laboratories Magnetic devices Magnetism Mechanical engineering Other magnetic recording and storage devices (including tapes, disks, and drums) Position errors Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices Servomechanisms Target tracking Vibrations
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