Control system for sheetmaking
US5121332A · kind A · utility
46Cited by
12References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 1989 |
| Grant date | Jun 9, 1992 |
| Priority date | — |
| Expiry date | Mar 31, 2009 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05D5/03
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A time delay compensation control system for use in controlling a sheetmaking process includes a controller operated according to the Smith Predictor control scheme and means to automatically adjust the closed-loop time constant of the controller in inverse relationship to the system error or to the signal-to-noise ratio of the system output signals.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.