Servo control system for controlling tracking of an optical head

Details Servo control system for controlling tracking of an optical head Servo control system for controlling tracking of an optical head

1993-01-07

1993-08-03

Psitos, Aristotelis

Dynamic information storage or retrieval

With servo positioning of transducer assembly over track...

Optical servo system

369 54, 369 4436, 360 7704, G11B 700

Patent

active

052335860

ABSTRACT:
Disclosed is a servo control system, which controls the position of a recording and/or reproducing head at the desired track on a record medium, comprising an actuator for moving the head relative to the track, a positional deviation detector, a controller for outputting the control signals for the actuator in such a manner that the head is put in the desired position relative to the track, a component for applying disturbance signals to the output of the controller, and a component for adjusting parameters of the controller which determines the correlation of the transfer characteristics at each frequency.

REFERENCES:
patent: 4482989 (1984-11-01), Bierhoff
Nakagawa, et al., "An Auto-Tuning PID Controller," Advances in Instrumentation, vol. 37, No. 3, Oct. 1982, pp. 1353 through 1362.

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