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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Ohno, K. Hara, S. |
| Copyright Year | 2005 |
| Description | Author affiliation: Autonomous Syst. Lab., Fujitsu Labs. Ltd., Kanagawa, Japan (Ohno, K.) |
| Abstract | This paper is concerned with the use of the sampled-data H/sub /spl infin//servo controller with generalized hold for the track-following control of hard disk drives (HDDs). Conventional input multi-rate control normally utilizes a fast zero order hold that is uniformly time-divided piecewise constant function. However, there is no need to assume such an uniformity in hold duration. Elimination of this assumption increases the design degree-of-freedom. In this paper, we propose to invoke the sampled-data H/sub /spl infin// servo control theory to have an optimal piecewise continuous hold function. The derived function is used as a basis of our proposed nonuniformly time-divided piecewise constant function, which is introduced to implement it on standard systems with digital-to-analogue conversion devices. We conducted a set of simulations as well as experiments, and confirmed that the proposed method can improve the control performance. |
| Sponsorship | American Automatic Control Council |
| Starting Page | 3229 |
| Ending Page | 3234 |
| File Size | 573852 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780390989 |
| ISSN | 07431619 |
| e-ISBN | 0780390997 |
| DOI | 10.1109/ACC.2005.1470469 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2005-06-08 |
| Publisher Place | USA |
| Access Restriction | Subscribed |
| Rights Holder | American Automatic Control Council(AACC) |
| Subject Keyword | Control systems Sampling methods Laboratories Servomechanisms Hard disks Frequency Uncertainty Control design Control system synthesis Physics |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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