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A Novel Cross Directional Register Modeling and Feedforward Control in Multi-layer Roll-to-roll Printing by HyunKyoo Kang; ChangWoo Lee; KeeHyun Shin is a Engineering article available to read on EtoBox.

What is A Novel Cross Directional Register Modeling and Feedforward Control in Multi-layer Roll-to-roll Printing about?

For the adaption of roll-to-roll printing method to the printed electronics, it is mandatory to increase the resolution of register control. Therefore, it is desired to derive a mathematical model for register and to develop a controller to reduce the register error. The cross direction register error was derived considering both the lateral motion of a moving web and the transverse position of a printing roll. And a feedforward control method was proposed to cancel out the disturbance of CD register from upstream span. The proposed controller could be used to improve the performance of the CD register controller in a large area roll-to-roll printing machine. The mathematical modeling and proposed control method were validated by numerical simulations and experimental verifications in various operating conditions using a multilayer direct gravure printing machine. These results show that the proposed feedforward control scheme greatly improves the control performance of register control in overcoming the upstream disturbances.

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Author

HyunKyoo Kang; ChangWoo Lee; KeeHyun Shin

Publisher

Elsevier Science; Elsevier ; Butterworth Scientific Ltd.; Elsevier BV (ISSN 0959-1524)

Published

2010

Language

EN

Field

Engineering (Physical Sciences)