Fault diagnosis method of petrochemical air compressor based on deep belief network

被引：0

作者：

Lu C. ^{[1
,2
,3
]}

Li W. ^{[1
,2
,3
]}

机构：

[1] College of Electrical and Information Engineering, Lanzhou University of Technology, Lanzhou, 730050, Gansu

[2] Key Laboratory of Gansu Advanced Control for Industrial Processes, Lanzhou, 730050, Gansu

[3] National Experimental Teaching Center of Electrical and Control Engineering, Lanzhou University of Technology, Lanzhou, 730050, Gansu

来源：

Huagong Xuebao/CIESC Journal | 2019年 / 70卷 / 02期

关键词：

Air compressor; Deep belief network model; Fault diagnosis; Stability;

D O I：

10.11949/j.issn.0438-1157.20181357

中图分类号：

学科分类号：

摘要：

According to the complexity of fault mechanism, the lack of prior knowledge, and the low diagnosis precision of traditional shallow layer neural network for the fault diagnosis of petrochemical air compressor, a kind of petrochemical air compressor fault diagnosis method is put forward based on the deep belief network because of its advantage in feature extraction and nonlinear data processing. By using state monitoring data of the air compressor, the method realizes the unsupervised characteristics learning and supervised fine-tuning of training network, constructs the deep network model of the air compressor fault, thus achieving the effective intelligent diagnosis for fault types of the air compressor. The effectiveness of the method is compared with the traditional fault diagnosis method. The results show that the diagnostic accuracy of the method is better than the traditional fault diagnosis method and the stability is better. © All Right Reserved.

引用

页码：757 / 763

页数：6

共 30 条

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