Automatic cross-directional control zone alignment for sheetmaki

Details Automatic cross-directional control zone alignment for sheetmaki Automatic cross-directional control zone alignment for sheetmaki

1993-09-03

1995-03-21

Envall, Jr., Roy N.

Boots, shoes, and leggings

73159, 162198, 356431, 356429, G06F 1546, G01L 504, D21F 1100, G01N 2184

Patent

active

054002583

ABSTRACT:
A system for aligning control zones with measurement zones in a sheetmaking system having a plurality of actuators arranged in the cross-direction, comprising the steps of: a) bumping at least one of the actuators; b) measuring a profile of the sheet at a substantial distance from the bumped actuators; and c) determining a location of the effect of each of the bumped actuators on the sheet.

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patent: 4965736 (1990-10-01), Balakrishnan
patent: 5122963 (1992-06-01), Chen

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