Abstract
The mass production of printed electronics can be achieved by roll-to-roll(R2R) printing system, so highly accurate web tension is required that can minimize the register error and keep the thickness and roughness of printed devices in limits. The web tension of a R2R system is regulated by the use of integrated load cells and active dancer system for printed electronics applications using decentralized multi-input-single-output(MISO) regularized variable learning rate backpropagation artificial neural networks. The active dancer system is used before printing system to reduce disturbances in the web tension of process span. The classical PID control result in tension spikes with the change in roll diameter of winder and unwinder rolls. The presence of dancer in R2R system shows that improved web tension control in printing span and the web tension can be enhanced from 3.75 N to 4.75 N. The overshoot of system is less than ±2.5 N and steady state error is within ±1 N where load cells have a signal noise of ±0.7 N. The integration of load cells and active dancer with self-adapting neural network control provide a solution to the web tension control of multispan roll-to-roll system.
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This project is supported by Basic Science Research Program through the National Research Foundation of Korea(NRF), Ministry of Education, Science and Technology, Korea(Grant No. 2010-0026163), and Strategy Technology Development Project, Ministry of Knowledge Economy, Korea(Grant No. 10032149)
ZUBAIR Muhammad, born in 1984, is currently a PhD candidate at Jeju National University, Korea. He received his BE degree from National University of Sciences and Technology, Pakistan and MS engineering degree from University of Engineering and Technology, Taxila, Pakistan, in 2011.
PONNIAH Ganeshthangaraj, born in 1984, is currently working in Korea Institute of Machinery and Materials, Korea. He received his PhD degree from Jeju National University, Korea, in 2012.
YANG Young Jin, born in 1982, is currently a PhD candidate at Jeju National University, Korea. He received his MS degree from Jeju National University, Korea, in 2012.
CHOI Kyung Hyun, born in 1960, is leading Advanced Micro Mechatronics Lab, Mechatronics Engineering Department, Jeju National University, Jeju, South Korea. He received his BS and MS engineering degrees from Pusan National University and his PhD degree from University of Ottawa, Canada. His research interests are printed electronics systems and devices.
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Zubair, M., Ponniah, G., Yang, Y.J. et al. Web Tension regulation of multispan roll-to-roll system using integrated active dancer and load cells for printed electronics applications. Chin. J. Mech. Eng. 27, 229–239 (2014). https://doi.org/10.3901/CJME.2014.02.229
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DOI: https://doi.org/10.3901/CJME.2014.02.229