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Reduction of Flow-Induced Suspension Vibrations in a Hard Disk Drive by Dual-Stage Suspension Control
| Content Provider | CiteSeerX |
|---|---|
| Author | Teerhuis, Arjan P. Cools, Ra J. M. Callafon, Raymond A. De |
| Abstract | Abstract—A control design methodology is proposed to control an active dual-stage suspension for the reduction of flow-induced vibrations (windage) in a hard disk drive. The design of the controller uses dynamical models of both the suspension and the stochastic behavior of the windage to design a low third-order discrete-time feedback controller to reduce windage-induced track misregistration. Experimental results show that nonrepeat-able runout errors due to windage are reduced by an order of a magnitude. Index Terms—Hard disks, optimal control, vibration control. I. |
| File Format | |
| Access Restriction | Open |
| Content Type | Text |