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| Analysis of Synchronous Control for Lower Roller Lifting of Paper Machine Calender |
| Received:November 01, 2023 Revised:December 12, 2023 |
| DOI：10.11981/j.issn.1000-6842.2024.03.160 |
| Key Words:paper machine;calender lower roller;lifting process;dual cylinder control;Simulink |
| Fund Project:广东省教育厅普通高校青年创新人才类项目（2023KQNCX163）；广东机电职业技术学院高层次人才项目（Gccrcxm-202209，Gccrcxm-202210）；广东机电职业技术学院校级教科研项目（YJZD2023-10，YJZD2023-19）；湖北省中华职业教育社2023年度课题研究项目（HBZJ2023194）；中国职业技术教育学会第五届理事会2023年度分支机构科研课题（ZJ2023B031）；中国高校产学研创新基金——阿依瓦科技创新教育专项（2023AY073）。 |
| Author Name | Affiliation | Postcode | | LI Chao | Guangdong Mechanical and Electronical college of Technology， Guangzhou， Guangdong Province， 510550 | 510550 | | XU Kai | Wuhan Institute of Shipbuilding Technology， Wuhan， Hubei Province， 430000 | 430050 | | SUN Fuming | Mudanjiang Hengfeng Paper Co.， Ltd.， Mudanjiang， Heilongjiang Province， 157013 | 157013 | | CHAI Ning | Guangdong Mechanical and Electronical college of Technology， Guangzhou， Guangdong Province， 510550 | 510550 | | ZHANG Pu | Guangdong Mechanical and Electronical college of Technology， Guangzhou， Guangdong Province， 510550 | 510550 | | OU Zhenhua | Guangdong Mechanical and Electronical college of Technology， Guangzhou， Guangdong Province， 510550 | 510550 | | CHEN Yijian | Guangdong Mechanical and Electronical college of Technology， Guangzhou， Guangdong Province， 510550 | 510550 |
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| Abstract: |
| In order to improve the synchronization of the dual cylinders during the lower roller lifting process for the paper machine calender， this study took the steel roller of the paper machine calender as the research object， and analyzed its lifting operation status， adopting an “equivalent” dual cylinder synchronous control method applied to the calender lower roller. Based on the Newton’s second law and the fixed axis rotation law of the rigid body， this study established a mathematical model， built a simulation model of dual cylinder synchronous control system through Simulink， and conducted simulation analysis and verification. The simulation results showed that the maximum displacement synchronization error of the dual cylinder was 1.7 mm， which decreased by about 88.7% compared with the original dual cylinder control method. This method improved the synchronization of the calender lower roller during the lifting operation， and could prevent uneven line pressure and provide reference for the dual cylinder synchronization control of the paper machine calender. |
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