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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Takaishi, K. Imamura, T. Mizoshita, Y. Hasegawa, S. Ueno, T. Yamada, T. |
| Copyright Year | 1965 |
| Abstract | The nonlinear response of a conventional actuator which depends on the ball-bearing friction is the main factor for determining the high track density of hard disk drives. We cannot get enough servo loop gain in the low-frequency region with a conventional single actuator because of its hysteresis characteristics. We have developed a new planar piezoelectric microactuator which is lightweight and applicable for a hard disk drive. Also we introduced a two-stage servo controller and realized a high servo bandwidth over 1 kHz and enough tracking-error reduction in the low-frequency region. |
| Sponsorship | IEEE Magnetics Society |
| Starting Page | 1863 |
| Ending Page | 1866 |
| Page Count | 4 |
| File Size | 386800 |
| File Format | |
| ISSN | 00189464 |
| Volume Number | 32 |
| Issue Number | 3 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 1996-05-01 |
| Publisher Place | U.S.A. |
| Access Restriction | One Nation One Subscription (ONOS) |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Microactuators Disk drives Friction Actuators Hard disks Servomechanisms Transfer functions Hysteresis Bandwidth Resonant frequency |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering |
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