Method and control system for tuning flatness control in a mill
US10661322B2 · kind B2 · utility
1Cited by
2References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 5, 2014 |
| Grant date | May 26, 2020 |
| Priority date | — |
| Expiry date | Apr 25, 2037 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB21B37/42
- WIPO fieldMachine tools
- WIPO sectorMechanical engineering
Abstract
A method for tuning flatness control for rolling a strip in a mill including rolls controllable by means of a plurality of actuators, which mill is modeled by means of a mill matrix. The method includes: a) obtaining an equivalent movement range for each actuator, b) determining a scaled mill matrix by scaling the mill matrix based on the equivalent movement ranges, and c) obtaining a singular value decomposition of the scaled mill matrix for providing flatness control of the strip by means of the actuators. A computer program and a control system for carrying out the above method are also presented herein.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.