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Journal of System Simulation

Abstract

Abstract: Because of the similarity of various types of data in the industrial process. The fault diagnosis using the K-means algorithm has a large error rate. A K-means clustering algorithm based on Locally Linear Embedding (LLE) is proposed. the normal data is reduced by the LLE algorithm and the projection matrix is obtained. The projection matrix is used to map the original fault data to the low-dimensional space and the K-means algorithm clusters is used to carry out the data to establish a detection and diagnosis model. The method is applied to the fault detection and diagnosis in the TE (Tennessee-Eastman) process and is compared with the traditional K-means algorithm and LLE algorithm. The results show that the proposed new method has a higher accuracy rate, and could effectively identify the unknown types of fault data.

First Page

2066

Revised Date

2020-07-10

Last Page

2073

CLC

TP277

Recommended Citation

Li Yuan, Geng Zewei. Fault Diagnosis of Industrial Process Based on LLE and K-means Clustering Algorithm[J]. Journal of System Simulation, 2021, 33(9): 2066-2073.

DOI

10.16182/j.issn1004731x.joss.20-0362

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