METHOD FOR CHANNEL DECOUPLING OF WHOLE-ROLLER FLATNESS METER FOR COLD-ROLLED STRIP

摘要

The present invention discloses a method for channel decoupling of a whole-roller flatness meter for a cold-rolled strip. The method includes the following steps: 1, setting a channel number and a channel breadth of the flatness meter; 2, obtaining an influence matrix under the condition of coupled channels; 3, calculating an inverse matrix of the influence matrix; 4, decoupling the channel by the inverse matrix of the influence matrix; and 5, obtaining flatness distribution after channel decoupling. The present invention decouples the channel of the whole-roller flatness meter by inverting the influence matrix and multiplying with the detection force vector. The present invention reproduces the true force vector and flatness distribution, and provides a new method for improving the flatness detection accuracy.