Control system and method for loading actuator arm of...

Details Control system and method for loading actuator arm of... Control system and method for loading actuator arm of...

2011-08-16

2011-08-16

Sniezek, Andrew L (Department: 2627)

Dynamic magnetic information storage or retrieval

Automatic control of a recorder mechanism

Controlling the head

C360S078040, C369S030170

Reexamination Certificate

active

08000055

ABSTRACT:
A system includes a control module configured to generate a first signal to control a speed of an actuator arm of a rotating storage device. An estimating module includes a first filter configured to generate a first filtered output based on the first signal. A second filter is configured to generate a second filtered output based on the speed of the actuator arm. The estimating module is configured to estimate a force to move the actuator arm based on (i) the first filtered output and (ii) the second filtered output. The first filter and the second filter include infinite impulse response (IIR) filters of Pthorder, where P is an integer greater than 1.

REFERENCES:
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patent: 6400533 (2002-06-01), Lie et al.
patent: 7068463 (2006-06-01), Ji et al.
patent: 7259933 (2007-08-01), Tan et al.
patent: 7864480 (2011-01-01), Ito
patent: 2002/0027740 (2002-03-01), Inaji et al.

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