A Novel Hybrid Method Integrating ICA-PCA With Relevant Vector Machine for Multivariate Process Monitoring

A Novel Hybrid Method Integrating ICA-PCA With Relevant Vector Machine for Multivariate Process Monitoring
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一种将 ICA-PCA 与相关向量机相结合的新型混合方法用于多变量过程监控

DOI:
10.1109/tcst.2018.2816903
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发表时间:
2019-07
影响因子:
4.8
通讯作者:
Qun-Xiong Zhu
Qun-Xiong Zhu
中科院分区:
计算机科学2区
文献类型:
--
作者:
Yuan Xu;Sheng-Qi Shen;Yan-Lin He;Qun-Xiong Zhu

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本文提出了一种独立成分分析-主成分分析(ICA-PCA)与相关向量机(RVM)相结合的多变量过程监控方法。考虑到工业过程变量的分布大多是非高斯的,主成分分析不能很好地处理非高斯部分。为了同时提取多变量过程的非高斯信息和高斯信息,提出了一种混合ICA-PCA方法。首先利用独立分量分析对过程中的非高斯部分进行监测,然后利用主成分分析提取残差过程中的高斯部分。在特征提取后,为了避免传统方法中阈值的选取和单一统计量的补偿,建立了一种基于贝叶斯的分类器RVM进行故障检测。利用田纳西州伊士曼过程验证了该方法的性能。仿真结果验证了该方法的有效性。
This brief proposes an independent component analysis-principal component analysis (ICA-PCA) integrating with relevance vector machine (RVM) for multivariate process monitoring. Given the fact that the distribution of industrial process variables is mostly non-Gaussian and PCA cannot well deal with the non-Gaussian part. A hybrid ICA-PCA method is proposed to simultaneously extract the non-Gaussian and Gaussian information of multivariate processes. ICA is first used to monitor the non-Gaussian part of the process and then the Gaussian part of the residual process can be extracted using PCA. After feature extraction, a Bayesian-based classifier named RVM is established to make fault detection for the sake of both preventing the chosen of threshold as in traditional method and compensating for the single statistic. The performance of the proposed approach is validated using the Tennessee Eastman process. Simulation results verified the effectiveness of the proposed method.
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发表时间: 1999
期刊: --
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