Prabhakar Pagilla, Aravind Seshadri, et al
US Patent: US8554354
Priority date: Feb 12, 2010
Publication date: Oct 8, 2013
A method of adaptive guiding of a web on a roller is disclosed. The method includes computing an output of a reference model, reading an output of a sensor that indicates a web position, determining a difference between the output of the reference model and the output of the sensor, and updating a set off controller parameters for the roller based on the difference.