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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Shim, W. Morris, J.C. |
| Copyright Year | 2005 |
| Description | Author affiliation: Seagate Technol., Shakopee, MN, USA (Shim, W.) |
| Abstract | This paper derives a discrete-time closed-form solution of time-optimal seek control based on the 3rd-order hard disk drive model including the back-EMF effect and coil inductance. Using the proposed method, online reference signal generation for 2-DOF control structure is discussed for short and long seeking cases. Simulation results show that the reference signals generated are good for smooth settling. Modification of the proposed method for improving acoustics during seeking is demonstrated. A feasible implementation of the proposed method is investigated for efficient usage of digital signal processor and limited memory available. The feed-forward current for seek control is obtained considering the power amplifier saturation so the proposed method has better features of adaptation for varying operating conditions. |
| Sponsorship | American Automatic Control Council |
| Starting Page | 3223 |
| Ending Page | 3228 |
| File Size | 282883 |
| Page Count | 6 |
| File Format | |
| ISBN | 0780390989 |
| ISSN | 07431619 |
| e-ISBN | 0780390997 |
| DOI | 10.1109/ACC.2005.1470468 |
| 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 | Closed-form solution Hard disks Target tracking Signal generators Feedforward systems Velocity control Actuators Control systems Voltage control Coils |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering |
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