With the research of paper sheet thickness measurement, the technical realization and excutation of paper quality index thickness is proposed. Here the paper sheet thickness measurement and control methods are analyzed. The emphasis is focus on the processing of cross-directional thickness signal, which includes signal detecting, transformation, verification and compensation. Then the control
... [Show full abstract] method is analyzed, and electromagnetic heating adjustor for the controlled middle-high roller is set to obtain uniform paper sheet thickness cross-directionally.