| 基于输出频谱和支持向量机的模拟电路故障诊断方法 |
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| 引用本文： | 李飞,韩海涛,郑耿乐. 基于输出频谱和支持向量机的模拟电路故障诊断方法[J]. 电子设计工程, 2011, 19(14): 94-97 |
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| 作者姓名： | 李飞 韩海涛 郑耿乐 |
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| 作者单位： | 第二炮兵驻装备修理厂军事代表室,湖北武汉430000 [2]第二炮兵工程学院101教研室,陕西西安710025 [3]第二炮兵青州士官学校,山东青州262500 |
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| 摘 要： | 针对模拟电路的特点和其故障诊断中存在的问题,提出了一种基于输出频谱和支持向量机的新型模拟电路故障诊断方法(FMSVM)。该方法采用多音信号作为模拟电路的激励信号,并用其输出频谱中的有限个频率点的幅值作为故障特征,采用多分类支持向量机(MSVM)进行故障模式判别,实现了模拟电路的故障诊断。实验结果表明,该故障诊断方法具有速度快、准确率高的特点,具有重要的实用价值。
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| 关 键 词： | Volterra级数 故障特征 输出频谱 支持向量机 故障诊断 |
Fault diagnosis method of analog circuits based on output frequency and support vector machine |
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| LI Fei,HAN Hai-tao,Zheng Geng-le. Fault diagnosis method of analog circuits based on output frequency and support vector machine[J]. Electronic Design Engineering, 2011, 19(14): 94-97 |
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| Authors: | LI Fei HAN Hai-tao Zheng Geng-le |
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| Affiliation: | 1.The Second Artillery Equipment Department Military Representative Office of the Equipment Repair Factory,Wu Han 430000,China;2.The 101 Teaching and Research Section of the Second Artillery Engineering College,Xi’an 710025,China;3.The Second Artillery Sergeant School,Qingzhou 262500,China) |
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| Abstract: | On the basis of the characteristics of analog circuits and the problems of analog circuits＇ fault diagnosis,a new fault diagnosis method is proposed based on the Output Frequency and Multiple Support Vector Machine（FMSVM）.Multitone signal is used to stimu |
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| Keywords: | Volterra series fault tags output frequency Support Vector Machine fault diagnosis |
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