Fault Diagnosis of Water Pump Based on Probabilistic Neural Network

被引：1

作者：

Li Tie-jun ^{[1
]}

Zhao Yan-chun ^{[1
]}

Li Xin ^{[1
]}

Zhu Cheng-shi ^{[1
]}

Ning Jian-rong ^{[1
]}

机构：

[1] Shenyang Univ Chem Technol, Sch Mech Engn, Shenyang 110142, Peoples R China

来源：

PRODUCT DESIGN AND MANUFACTURING | 2011年 / 338卷

关键词：

Probabilistic neural network; Water pump; Fault diagnosis;

D O I：

10.4028/www.scientific.net/AMR.338.421

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The basic principle of probabilistic neural network (PNN) is introduced, which is used in the fault diagnosis of water pump in this paper. The multiple and fractional frequencies in the fault vibration signal spectrum are taken as the feature vectors, and the samples of the fault are established. The probabilistic neural network is trained based on the symptom diagnosis. The result shows that probabilistic neural network can overcome the local optimization of back propagation neural network (BPNN) and meet the requirements for fast diagnosis and high precision diagnosis during fault diagnosis process, so probabilistic neural network can be used in the real time diagnosis, and the fault diagnosis based on probabilistic neural network is feasible.

引用

页码：421 / 424

页数：4

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