| 电力机车主变流器故障智能诊断系统 |
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| 引用本文： | 刘松柏,蒋新华,陈特放.电力机车主变流器故障智能诊断系统[J].机车电传动,2005(3):57-59,62. |
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| 作者姓名： | 刘松柏 蒋新华 陈特放 |
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| 作者单位： | 1. 株洲电力机车研究所,技术中心,湖南,株洲,412001
2. 中南大学,信息工程学院,湖南,长沙,410075 |
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| 摘 要： | 对电力机车主变流器的输出电压波形采用能量分布特征提取方法和优化BP算法，提出了基于小波变换和BP神经网络的主变流器故障智能诊断系统。利用该系统对变流器整流元件的开路故障进行了故障诊断仿真，验证了该智能诊断系统的准确性和有效性。
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| 关 键 词： | 变流器 故障诊断 小波分析 神经网络 |
| 文章编号： | 1000-128X(2005)03-0057-03 |
Intelligent fault diagnosis system for main converter of electric locomotive |
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| LIU Song-bai,JIANG Xin-hua,CHEN Te-fang.Intelligent fault diagnosis system for main converter of electric locomotive[J].Electric Drive For Locomotive,2005(3):57-59,62. |
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| Authors: | LIU Song-bai JIANG Xin-hua CHEN Te-fang |
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| Abstract: | Method of extraction of energy distribution characteristics and optimized BP algorithm is used for the output voltage waveform of main converter for electric locomotive. It is put forward the intelligent fault diagnosis system for main converter based on small wave transformation and BP neural network.Fault diagnosis is simulated by the system for opened fault of converter component. The correctness and efficiency of the intelligent diagnosis system is verified. |
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| Keywords: | converter fault diagnosis wavelet transform neural networks |
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