| 改进的局部保持投影算法的多模型软测量 |
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| 引用本文： | 梅振益,杨慧中.改进的局部保持投影算法的多模型软测量[J].计算机与应用化学,2011,28(7). |
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| 作者姓名： | 梅振益 杨慧中 |
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| 作者单位： | 江南大学教育部轻工过程先进控制重点实验室,江苏,无锡,214122 |
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| 基金项目： | 国家自然科学基金(60674092); 江苏省高技术研究项目(BG20060010) |
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| 摘 要： | 针对化工生产过程中软测量模型估计精度的问题,提出一种基于改进的局部保持投影算法的多模型建模方法。该方法通过有监督自适应权值的局部保持投影算法对输入数据空间进行特征提取,并结合最近邻分类器算法进行输入空间的划分,最后融合支持向量机实现多模型建模。仿真应用结果表明:将改进的局部保持投影算法应用在UCI数据库的Iris数据集的分类中,其分类精度高于基本的局部保持投影算法的分类精度;同时将改进的局部保持投影算法的多模型建模方法应用于双酚A生产的软测量多模型建模中,该方法能够有效的进行输入空间地划分,构建回归模型的数据更加合理,使得模型估计精度得到了提高,并具有更强的泛化能力。
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| 关 键 词： | 软测量 局部保持投影 多模型 特征提取 |
A multi-model soft senor based on improved locality preserving projection |
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| Mei Zhenyi,Yang Huizhong.A multi-model soft senor based on improved locality preserving projection[J].Computers and Applied Chemistry,2011,28(7). |
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| Authors: | Mei Zhenyi Yang Huizhong |
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| Affiliation: | Mei Zhenyi and Yang Huizhong~* (Key Laboratory of Advanced Process Control for Light Industry,Ministry of Education,Jiangnan University,Wuxi,214122,Jiangsu,China) |
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| Abstract: | In view of accurate estimation problem of soft sensor in chemical process.A Multi-model Soft senor based on Improved Locality Preserving Projection is proposed.The proposed approach extracts feature by Supervised and Adapt Weighted Locality Preserving Projection.A Multi-model can be constructed by Support Vector Machine after using the nearest neighbor classifier to divide input date space.The Simulation results show that,compared to the basic Locality Preserving Projection algorithm,the classification accu... |
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| Keywords: | soft senor locality preserving projection multi-model feature extraction |
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