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Issue:
Research on Fault Diagnosis System of Ventilator Based on LS-SVM
Author(s):
LIU Yanxia
,
LI Jiangang
,
REN Zizuo
Pages:
414
-
417,422
Year:
2011
Issue:
5
Journal:
Journal of Huaiyin Teachers College(Natural Science Edition)
Keyword:
LS-SVM
;
fault diagnosis
;
ventilator
;
time-domain analysis
;
Abstract:
介绍了最小二乘支持向量机(LS-SVM)算法的诊断原理,学习算法以及技术路线.在对现场振动信号特征数据进行采集以及归一化处理的基础上,建立了风机故障数学模型以及故障样本数据库.分析了风机故障模式识别的原理,提出应用LS-SVM进行故障特征学习和分类的方法.最后对故障模型进行训练和仿真,并通过与传统的三层BP神经网络输出进行对比,验证了该方法能够及时检测到故障的发生并进行识别,是风机故障诊断的有效方...
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