National Changhua University of Education Institutional Repository : Item 987654321/18369
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题名: An Automotive Generator Fault Diagnosis System Using Discrete Wavelet Transform and Artificial Neural Network
作者: Wu, Jian-Da;Kuo, Jun-Ming
贡献者: 車輛科技研究所
关键词: Fault diagnosis system;Automotive generator;Discrete wavelet transform;Artificial neural network
日期: 2009-08
上传时间: 2014-04-29T07:28:18Z
出版者: Elsevier Ltd
摘要: This paper describes a fault diagnosis system for automotive generators using discrete wavelet transform (DWT) and an artificial neural network. Conventional fault indications of automotive generators generally use an indicator to inform the driver when the charging system is malfunction. But this charge indicator tells only if the generator is normal or in a fault condition. In the present study, an automotive generator fault diagnosis system is developed and proposed for fault classification of different fault conditions. The proposed system consists of feature extraction using discrete wavelet analysis to reduce complexity of the feature vectors together with classification using the artificial neural network technique. In the output signal classification, both the back-propagation neural network (BPNN) and generalized regression neural network (GRNN) are used to classify and compare the synthetic fault types in an experimental engine platform. The experimental results indicate that the proposed fault diagnosis is effective and can be used for automotive generators of various engine operating conditions
關聯: Expert Systems with Applications, 36(6): 9776-9783
显示于类别:[車輛科技研究所] 期刊論文

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