Digital servo control system for use in disk drives using driver saturation model
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United States of America Patent
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-
Oct 7, 1997
Grant Date -
N/A
app pub date -
Feb 25, 1994
filing date -
Sep 18, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A servo control system provides adaptive compensation for a variety of tracking and seek problems found in disk drives. The servo control system is ideally implemented in digital form for accuracy, speed and compactness. A first embodiment includes two modes, a tracking (or position) mode and a seek (or velocity) mode, each mode employing a variety of compensation functions. A second embodiment includes a single comprehensive control system which functions during both tracking and seek operations.
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