| US 7,489,472 B2 | ||
| High-order hybrid actuator controller | ||
| Mirmehdi L. Abrishamchian, Shrewsbury, Mass. (US); Travis Hein, Holliston, Mass. (US); and Jihao Luo, Shrewsbury, Mass. (US) | ||
| Assigned to Maxtor Corporation, Longmont, Colo. (US) | ||
| Filed on Jan. 24, 2007, as Appl. No. 11/657,161. | ||
| Prior Publication US 2008/0174900 A1, Jul. 24, 2008 | ||
| Int. Cl. G11B 5/596 (2006.01) | ||
| U.S. Cl. 360—78.09 [360/78.04] | 19 Claims |
| 1. A method, comprising:
selecting an actuator controller for an actuator, including:
responsive to the actuator being in a settle stage, selecting a first controller having an estimator-compensator architecture;
responsive to the actuator being in a track follow stage, selecting a second controller having an architecture including an
infinite impulse response filter having an integrator in parallel; and
providing a control output, which is indicative of a control signal, from the selected controller to the actuator.
|