Disk drive generating feed-forward actuator compensation based on a speaker driver signal

A disk drive is disclosed comprising a disk, a head, an actuator for actuating the head over the disk, and control circuitry comprising a servo control system for controlling the actuator. A compensation value is generated based on a speaker driver signal, and the actuator is controlled using the co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: CHAHWAN ALAIN, FLYNN WILLIAM
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A disk drive is disclosed comprising a disk, a head, an actuator for actuating the head over the disk, and control circuitry comprising a servo control system for controlling the actuator. A compensation value is generated based on a speaker driver signal, and the actuator is controlled using the compensation value.