| 基于Elman神经网络的飞机电源系统欠压故障诊断研究 |
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| 引用本文： | 程建兴,史仪凯.基于Elman神经网络的飞机电源系统欠压故障诊断研究[J].电光与控制,2009,16(8). |
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| 作者姓名： | 程建兴 史仪凯 |
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| 作者单位： | 1. 西北工业大学机电学院,西安,710072;仲恺农业工程学院机电工程学院,广州,510235
2. 西北工业大学机电学院,西安,710072 |
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| 摘 要： | 分析了飞机电源系统欠压故障的发生原因和判别,尝试了一种基于改进E lm an神经网络的飞机电源欠压故障仿真方法,在阐述E lm an网络理论的基础上,将改进E lm an网络应用于飞机电源欠压故障的诊断,分析了网络结构、学习算法、特征提取和故障判别方法;网络模型应用了故障样本及专家经验知识,并通过学习使模型不断完善。通过实验数据验证,该网络模型和故障诊断方法是可行和有效的。
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| 关 键 词： | 飞机电源系统 欠压保护 Elman神经网络 故障诊断 |
Under-Voltage Fault Diagnosis of Aircraft Power Supply System Based on Elman Neural Network |
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| CHENG Jianxing,SHI Yikai.Under-Voltage Fault Diagnosis of Aircraft Power Supply System Based on Elman Neural Network[J].Electronics Optics & Control,2009,16(8). |
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| Authors: | CHENG Jianxing SHI Yikai |
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| Affiliation: | 1.College of Mechanical and Electrical Engineering;Northwestern Polytechnical University;Xi'an 710072;China;2.College of Mechanical and Electrical Engineering;Zhongkai University of Agriculture Engineering;Guangzhou 510235;China |
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| Abstract: | The root cause and discrimination of the under-voltage fault of aircraft power supply system is analyzed.A simulation method for under-voltage fault diagnosis based on improved Elman neural network was attempted.The improved Elman network was applied to the diagnosis of under-voltage fault of aircraft power supply.The network structure,learning algorithm,feature extraction and method of the fault discrimination were investigated.Fault samples and expert experience knowledge were applied in the network model... |
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| Keywords: | aircraft power supply under-voltage protection Elaman neural network fault diagnosis |
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