Profile control method and system therefor

Details Profile control method and system therefor Profile control method and system therefor

2007-03-29

2010-06-22

Kasenge, Charles R (Department: 2121)

Data processing: generic control systems or specific application

Specific application, apparatus or process

Product assembly or manufacturing

C700S128000, C162S262000

Reexamination Certificate

active

07742835

ABSTRACT:
A profile control method for controlling a profile in the width direction of a sheet by using a plurality of actuators, includes calculating an envelope profile connecting local peaks of the profile; and calculating a manipulated value of each actuator with the objective of optimizing 2σ of the profile and the envelope profile.

REFERENCES:
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patent: 6080691 (2000-06-01), Lindsay et al.
patent: 6461474 (2002-10-01), Lindsay et al.
patent: 7128808 (2006-10-01), Metsala et al.
patent: 02-139488 (1990-05-01), None
patent: 2005-186377 (2005-07-01), None
Sasaki, et al., “Optimizing Control of Basis Weight Profile in Paper Machines Based on Virtual Slice-bolt Position,” Kagaku Kogaku Ronbunshu, vol. 25, No. 6, 1999, pp. 947-954.

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