| 数字滤波技术在失重式计量加料系统中的应用 |
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| 引用本文： | 周星,许红,王克俭,吴大鸣.数字滤波技术在失重式计量加料系统中的应用[J].中国塑料,2008,22(6):83-86. |
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| 作者姓名： | 周星 许红 王克俭 吴大鸣 |
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| 作者单位： | 北京化工大学塑料机械及工程研究所，北京100029 |
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| 摘 要： | 沦述了将数宇滤波技术应用于失重式计量加料控制系统，以提高挤出过程中挤出流量的在线测量精度;同时介绍了失重式计量加料系统的机械结钩及其控制原理，详细说明限幅一递推平均滤波算法在失重加料控制系统中对挤出流量所进行的数值处理，并通过复合板材挤出过程中测得的在线挤出流量数值得到验证。
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| 关 键 词： | 失重计量加料 数宇滤波 在线测量 精度 挤出 |
| 收稿时间： | 2008-04-24 |
Application of Digital Filtering Technology in Weight-loss Metering Feeding |
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| ZHOU Xing XU Hong WANG Ke-jian WU Da-ming.Application of Digital Filtering Technology in Weight-loss Metering Feeding[J].China Plastics,2008,22(6):83-86. |
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| Authors: | ZHOU Xing XU Hong WANG Ke-jian WU Da-ming |
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| Affiliation: | Institute of Plastics Machinery&Engineering,Beijing University of Chemical Technology, Beijing 10029 ,China |
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| Abstract: | Digital filtering technology was applied to weight-loss metering feeding system in order to im- prove the accuracy of on-line flux-measuring in extrusion process.The mechanical structure and control- ling mechanism of the weight-loss metering were introduced.Limiting-recursive average filtering algo- rithms was employed to control the extrusion flux through the weight-loss metering system,which was verified by the on-line flux measuring in composite sheet extrusion. |
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| Keywords: | weight-loss metering feeding digital filtering on-line extrusion flux accuracy extrusion |
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