Device and method for controlling the position of a head relative to a tape within a tape transport system
US9087539B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 26, 2014 |
| Grant date | Jul 21, 2015 |
| Priority date | — |
| Expiry date | Jun 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B15/602
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Controlling the position of a head within a tape transport system. A track-follow control system (TFCS) includes a controller device for generating a control signal as a function of a position error signal (PES), wherein the PES indicates a difference between the actual and target positions of the head relative to the tape, and an actuator for changing the actual position. The TFCS is adapted to select a controller device configuration from a plurality of configurations dependent on an operating tape speed. The configurations are predetermined depending on a vibration frequency domain profile indicative of environmental vibrations induced to the head and tape to determine the control signal for adjusting an actuator output signal relative to a lateral tape motion signal. The TFCS is also adapted to feed-back a signal depending on a difference of the actuator output signal and the lateral tape motion signal to generate the PES.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.