METHOD AND SYSTEM FOR VIBRATION DAMPING AND SHAPE CONTROL OF A SUSPENDED METAL STRIP

摘要

In accordance with the invention, a method for vibration damping and shape control of a suspended metal strip is provided. The method comprises the steps of : measuring distance to the metal strip 1 by a plurality of non-contact sensors 3, providing distance measurements; generating a deflection profile based on the distance measurements; decomposing the deflection profile to a number of base shapes I, II, III, IV, V; and controlling the deflection profile by a plurality of non-contact actuators m1 2a, m2 2a,..., mi 2a,...mn 2a and m1 2a', m2 2a',..., mi 2a',..., mi 2a', the step of controlling comprising providing for each of the base shapes I, II, III, IV, V a corresponding combination of force profiles.