Removable Storage White Papers
Multiple Robust Track-Following Controller Design in Hard Disk Drives
Overview This paper presents a new technique for track-following control in hard disk drives, in order to achieve high tracking precision of magnetic read-write heads uniformly for a huge number of disk drives. The basic idea in this technique is to classify the disk drives into several sets depending on dynamics properties, and to apply a robust controller to each set. The problem of designing the optimal classification of dynamics and corresponding optimal robust controllers is formulated as a nonconvex optimization problem, for which suboptimal solutions are to be found numerically. A numerical simulation shows the usefulness of the proposed technique, by illustrating a tracking performance improvement.
| Publisher | John Wiley & Sons | File Format | |
|---|---|---|---|
| Date Published | April 2007 | Downloads | 10 |
| Format | White Papers | ||
| Topics | |||
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