| 基于信息熵的飞机交流发电机异常检测 |
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| 引用本文： | 江钦龙,董恩生,张源原,胡朝军.基于信息熵的飞机交流发电机异常检测[J].航空计测技术,2011(4):7-9. |
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| 作者姓名： | 江钦龙 董恩生 张源原 胡朝军 |
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| 作者单位： | 空军航空大学控制工程系;海军飞行学院空中领航教研室;中国人民解放军94916部队; |
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| 摘 要： | 以交流发电机的仿真输出电压为参考信号,利用能反映符号序列总体特征的Shannon熵及二进制符号化方法,对仿真出来的正常电压信号及异常电压信号进行二进制符号化分析,并求取符号化后各自的Shannon熵,根据仿真计算表明Shannon熵能够体现由频率引起的电压异常特征。
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| 关 键 词： | 符号化 Shannon熵 异常检测 |
Anomaly Detection Based on Shannon Entropy in Aircraft AC Generator |
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| JIANG Qinlong,DONG Ensheng,ZHANG Yuanyuan,HU Chaojun.Anomaly Detection Based on Shannon Entropy in Aircraft AC Generator[J].Aviation Metrology & Measurement Technology,2011(4):7-9. |
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| Authors: | JIANG Qinlong DONG Ensheng ZHANG Yuanyuan HU Chaojun |
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| Institution: | JIANG Qinlong1,DONG Ensheng1,ZHANG Yuanyuan2,HU Chaojun3(1.Dept.of Aviation Control and Engineering,Aviation University of Air Force,Changchun 130022,China,2.Navy Flying Academy,Huludao 125000,3.The No.94916 of PLA,Nanjing 210022,China) |
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| Abstract: | In this article,the discussion was based on the reference signals of simulated output voltage.According to calculating symbolic series Shannon entropy of normal voltage and anomalous voltage signals and their simulations,we can clearly find the influence of anomalous frequency to voltage. |
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| Keywords: | symbolic Shannon entropy anomaly detection |
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