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| Research on Taper Tension Control Method for Winding Unit of Roll-to-roll Coating Machine |
| Received:November 24, 2025 Revised:January 03, 2026 |
| DOI：10.11980/j.issn.0254-508X.2026.03.023 |
| Key Words:winding system roll-to-roll coating taper tension control radial stress linear active disturbance rejection controller |
| Fund Project:渭南市重点研发计划（2024ZDYFJH-767，2024ZDYFJH-605）。 |
| Author Name | Affiliation | Postcode | | LI Chunjie* | 1Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, Shaanxi Province, 710048 | 710048 | | REN Fang | 1Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, Shaanxi Province, 710048 | 710048 | | JU Guoli | 2Xi’an Xiangxun Technology Co., Ltd., Xi’an, Shaanxi Province, 710068 | 710068 | | CHEN Minghui | 3Shaanxi Beiren Printing Machinery Co., Ltd., Weinan, Shaanxi Province, 714000） | 714000 | | LI Yinfeng | 3Shaanxi Beiren Printing Machinery Co., Ltd., Weinan, Shaanxi Province, 714000） | 714000 | | LIU Shanhui* | 1Faculty of Printing, Packaging Engineering and Digital Media Technology, Xi’an University of Technology, Xi’an, Shaanxi Province, 710048 | 710048 |
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| Abstract:To address the winding quality issues caused by excessive radial stress during the winding process， this study conducted the research on taper tension control for the winding process of roll-to-roll precision coating machines. A taper tension control method was proposed， and its parameter characteristics， and radial stress control effects were analyzed. Based on the genetic algorithm (GA)， an improved parameter self-tuning linear active disturbance rejection controller (LADRC) was designed， and a taper tension control strategy was formulated. A simulation model was established in MATLAB 2019b/Simulink to verify the winding tension control effect of the improved parameter self-tuning LADRC. The results showed that the GA-based improved controller could achieve high-precision control of taper tension， with a winding tension error of less than 0.6% and a radial stress error of less than 0.4%. |
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