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A LATERAL CONTROL ALGORITHM FOE ROLL-TO-ROLL WEB SYSTEM BASED ON BACK-STEPPING APPROACH
Kyung-Huyn Choi,Tran Trung Thanh,Jeong-Beom Ko,Su-Jin Kim,Yang-Hoi Doh,Dong-Soo Kim 대한기계학회 2008 대한기계학회 춘추학술대회 Vol.2008 No.11
Roll-to-roll based manufacturing plays an important role in producing devices at high speed with lower production cost in printed electronics and publishing industry. Web lateral control is one of the most important factors in improving the quality of product and contributes a considerable point in making devices at micrometer-level accuracy. In recent years, most algorithms proposed for web lateral control base on the Shelton’s model for designing the feedback control system using the PI controller. Experimental results showed that the existing models do not fully describe the characteristics of the lateral dynamics for some typical operating conditions and so result in poor control algorithms. In this paper, a new lateral control algorithm is proposed for web lateral control system based on back-stepping approach. The outcome of this study proves the reliability throughout simulation results in Matlab/Simulink and comparison with the algorithms based on the existing results.
Choi, Eun Woo,Jung, Ji Yoon,Su, Jun Huck,Park, Sae Huyn,Cho, Kyu Hyang,Yoon, Kyung Woo,Park, Jong Won,Do, Jun Young,Kang, Seok Hui Yeungnam University College of Medicine 2015 Yeungnam University Journal of Medicine Vol.32 No.2
Arrhythmias are complications of tunneled cuffed hemodialysis catheter insertion. Most complications associated with arrhythmias occur during guide-wire access, where the guide wire can cause traumatic damage to the conduction system of the heart. Conducting system injury in tunneled cuffed hemodialysis catheter insertion often involves the right bundle, causing right bundle branch block (RBBB). Transient RBBB with sinus rhythm is not usually accompanied by abnormal vital signs. However if patients already have left bundle branch block (LBBB), new onset RBBB can cause complete atrioventricular block (AVB), which can lead to fatal complications requiring invasive treatment. We report on a patient with LBBB who developed complete AVB during hemodialysis catheter insertion.
( Eun Woo Choi ),( Ji Yoon Jung ),( Jun Huck Su ),( Sae Huyn Park ),( Kyu Hyang Cho ),( Kyung Woo Yoon ),( Jong Won Park ),( Jun Young Do ),( Seok Hui Kang ) 영남대학교 의과대학 2015 Yeungnam University Journal of Medicine Vol.32 No.2
Arrhythmias are complications of tunneled cuffed hemodialysis catheter insertion. Most complications associated with arrhythmias occur during guide-wire access, where the guide wire can cause traumatic damage to the conduction system of the heart. Conducting system injury in tunneled cuffed hemodialysis catheter insertion often involves the right bundle, causing right bundle branch block (RBBB). Transient RBBB with sinus rhythm is not usually accompanied by abnormal vital signs. However if patients already have left bundle branch block (LBBB), new onset RBBB can cause complete atrioventricular block (AVB), which can lead to fatal complications requiring invasive treatment. We report on a patient with LBBB who developed complete AVB during hemodialysis catheter insertion.