Digital servo system with loop gain calibration
US6904007B2 · kind B2 · utility
8Cited by
56References
16Claims
0Family size
Assignee
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Key dates
| Filing date | Sep 10, 2001 |
| Grant date | Jun 7, 2005 |
| Priority date | — |
| Expiry date | Jun 26, 2023 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG11B7/0948
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A calibration of a loop gain in a digital servo system is presented. The loop gain can be calibrated measuring the response in a control signal generated by the digital servo system when the control signal is replaced by a sum of the control signal and a sinusoidal disturbance. The loop gain can be set to provide a desired gain, for example unity, between the control signal and the sinusoidal disturbance at a cross-over frequency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.