| 磁粉制动轮转胶印机放卷张力的研究与仿真 |
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| 引用本文： | 张永彬,陈章才,陈旭东,高玉春.磁粉制动轮转胶印机放卷张力的研究与仿真[J].阜阳师范学院学报(自然科学版),2012(3):69-72. |
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| 作者姓名： | 张永彬 陈章才 陈旭东 高玉春 |
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| 作者单位： | 安徽新闻出版职业技术学院印刷工程系 |
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| 基金项目： | 安徽省高校省级自然科学研究项目(KJ2012Z138);安徽省级精品课程(胶印工艺及操作)项目资助 |
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| 摘 要： | 研究了轮转胶印机放卷张力控制问题。针对放卷张力常规PID控制动态性能不高问题,在分析放卷受力基础上,推导了磁粉制动器的数学模型,利用Simulink仿真软件建立了Smith预估补偿模型,对磁粉制动器纯滞后进行补偿。仿真结果表明,Smith预估补偿PID控制系统阶跃响应上升时间为1.56 s、超调量为10.2%、调节时间为4.2 s。采用Smith预估补偿克服稳定性差、响应慢的不足,提高了系统控制品质,为纸带放卷张力在印刷中控制提供了理论依据。
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| 关 键 词： | 放卷张力 磁粉制动器 Smith补偿 仿真 |
Study and simulation on unwinding tension of web offset printer based on magnetic powder brake |
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| ZHANG Yong-bin,CHEN Zhang-cai,CHEN Xu-dong,GAO Yu-chun.Study and simulation on unwinding tension of web offset printer based on magnetic powder brake[J].Journal of Fuyang Teachers College:Natural Science,2012(3):69-72. |
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| Authors: | ZHANG Yong-bin CHEN Zhang-cai CHEN Xu-dong GAO Yu-chun |
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| Institution: | (Department of Printing,Anhui Vocational College of Press and Publishing,Hefei Anhui 230601,China) |
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| Abstract: | Study of web offset printing machine for unwinding tension control.According to the unwinding tension of conventional PID control dynamic performance is not high,in the analysis of rolling force on the basis of the magnetic powder brake,deduces the mathematical model,using Simulink simulation software to build a Smith predictor compensation model,the magnetic powder brake and pure lag compensation.The simulation results show that,Smith predictive PID control system step response rise time of 1.56 s,overshoot is 10.2%,adjusting time is 4.2 s.Using Smith predictor compensation to overcome the poor stability,slow response,improve the control quality,for tape unwinding tension in printing control provides a theoretical basis. |
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| Keywords: | unwinding tension magnetic powder brake Smith compensation simulation |
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