Dynamic magnetic information storage or retrieval – Automatic control of a recorder mechanism – Controlling the head
Reexamination Certificate
2006-05-02
2006-05-02
Hudspeth, David (Department: 2651)
Dynamic magnetic information storage or retrieval
Automatic control of a recorder mechanism
Controlling the head
Reexamination Certificate
active
07038876
ABSTRACT:
A control system for a data storage device including a constraint or weight to control stroke utilization and/or closed loop response of the control system. In particular, in one embodiment described, the weight or constraint is used to limit stroke utilization for a microactuator having a smaller stroke than a primary actuator. As described, the constraint or weight is used in conjunction with a mathematical synthesis to synthesize a controller to optimize system performance.
REFERENCES:
patent: 5978752 (1999-11-01), Morris
patent: 6005742 (1999-12-01), Cunningham et al.
patent: 6101058 (2000-08-01), Morris
patent: 6166890 (2000-12-01), Stefansky et al.
patent: 6266205 (2001-07-01), Schreck et al.
patent: 6519109 (2003-02-01), Price et al.
patent: 6600622 (2003-07-01), Smith
patent: 6618221 (2003-09-01), Gillis et al.
patent: 6621653 (2003-09-01), Schirle
patent: 6700736 (2004-03-01), Wu et al.
patent: 6738229 (2004-05-01), Williams
patent: WO 01/01401 (2001-01-01), None
patent: WO 01/52246 (2001-07-01), None
Holly R. Rapley and William C. Messner, “Controller Design For Two Stage Actuators Using The PQ Method and The Sbode Plot,” Digest Of APMRC2000, Mechatronics & Tribology Group Of SRC (Tokyo, Japan), (Nov. 6, 2000).
Holly R. Rapley & William C. Messner, “Designing Controllers For Two stage Disk Drive Actuator Systems Using The PQ Method and The Sbode Plot,” IEEE Transactions On Magnetics, IEEEMagnetics Society (Tokyo, Japan), vol. 37 (No. 2), p. 944-948, (Nov. 6, 2000).
Hudspeth David
Seagate Technology LLC
Tzeng Fred F.
Westman Champlin & Kelly P.A.
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