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Adaptive feedforward based control strategy for attenuation of periodic tension oscillations in roll-to-roll manufacturing
(Oklahoma State University, 2013-06)
Considering the aforementioned issues, an adaptive feedforward (AFF) algorithm that can work in parallel to an existing feedback control systems is developed for control of web tension and to attenuate periodic oscillations. ...
Comparison of control strategies for roll-to-roll printing presses
(Oklahoma State University, 2013-06)
Flexible printed electronics is touted to be a significant part of the future of the roll-to-roll (R2R) printing industry. Electronic devices, such as RFID tags, low-cost displays and lighting devices, polymer solar cells, ...
On the governing equation for web tension with out-of-round rolls
(Oklahoma State University, 2013-06)
In roll-to-roll (R2R) manufacturing the presence of non-ideal elements, such as out-of-round or eccentric rolls, induces periodical oscillations in the web tension signal. Model simulations based on ideal elements do not ...
Application of dimensional analysis to roll-to-roll manufacturing systems
(Oklahoma State University, 2013-06)
In this paper, we investigate the application of dimensional analysis for R2R systems. First, dimensional form of governing equations for web tension and speed are transformed to non-dimensional form using dimensional ...
Modeling of the transport behavior of low modulus webs
(Oklahoma State University, 2013-06)
We consider three key issues in this study for low modulus webs. First, transport in the high strain region is considered when the materials exhibit nonlinear and viscoelastic behavior. Second, in-plane biaxial strain is ...