COMPENSATOR FOR SYNCHRONOUS SAMPLING TIME-BASED SERVO SYSTEM

摘要

PROBLEM TO BE SOLVED: To provide a compensator for synchronous sampling time-based servo system.

SOLUTION: This method operates a tape drive, which has a basic tape speed for moving a magnetic tape along with a tape head, and which generates a first tape head position signal from the tape head at a first sample frequency proportional to the basic tape speed. Further, the method comprises the steps of: processing the first tape head position signal synchronized with the first sample frequency and controlling the tape head position using a control system including a compensator having a maximum phase response in a first cross over frequency; giving an interrupt signal synchronized with the first sample frequency to a processing system; and the processing system giving an output value h (k) which generates the maximum phase response at the first cross over frequency responsive to the processing system receiving the interruption signal.

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