Method of controlling the winding of a roll of web material

Details Method of controlling the winding of a roll of web material Method of controlling the winding of a roll of web material

2004-06-03

2008-03-18

Cuomo, Peter M. (Department: 3654)

Winding, tensioning, or guiding

Convolute winding of material

Detector, control, or material responsive stop

C242S541400, C242S542200

Reexamination Certificate

active

07344105

ABSTRACT:
A method controls the response rate and profile of a variable parameter. The method determines an error value for a first variable parameter as the difference between a first parameter set point and a first parameter analog value. An output, controlled by a first variable-process-parameter control loop, adjusts according to the determined error value to adjust the parameter analog value and thereby reduce the error value at a response rate. The first variable-process-parameter control loop has a gain. The gain of the first variable-process-parameter control loop determines the response rate and the response profile. The analog value of a second variable parameter determines the gain. Adjusting the response rate of the control loop may provide a means of adjusting an error correction response profile of the first variable parameter.

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