Meander control system, and meander control method

Details Meander control system, and meander control method Meander control system, and meander control method

2009-05-05

2011-10-18

Severson, Jeremy R (Department: 3653)

Sheet feeding or delivering

Feeding

With means to align sheet

C226S021000

Reexamination Certificate

active

08038148

ABSTRACT:
A meander control is performed by using: a guide roller that alters the conveying direction of a aluminum sheet conveyed along a conveying path; a first edge sensor that detects the amount of meandering at a first detection position that is upstream of the guide roller; a second edge sensor that detects the amount of meandering at a second detection position between the first edge sensor and the guide roller; and a control device that calculates an error contained in a first gain of a first feedforward model on the basis of a detected value from the first edge sensor and a detected value from the second edge sensor, and corrects a second gain of a second feedforward model by the calculated error, and then calculates a guide position-estimated amount of meandering on the basis of the second feedforward model and the detected value from the second edge sensor.

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