A method for automatically controlling the thickness of product emerging from a rolling mill. Signals indicative of total roll force (F), rollgap position (S), angular position of one mill roll (v) and downstream product thickness (h) are utilized to obtain an output signal indicative of roll eccentricity...http://www.google.es/patents/US4691547?utm_source=gb-gplus-sharePatente US4691547 - Rolling mill strip thickness controller