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基于符号时间序列的飞机交流发电机异常检测技术研究 被引量:1

Anomaly Detection Technology of Aircraft AC Generator Based on Symbolic Time Series Analysis
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摘要 飞机交流发电机是飞机电源系统中最重要的部件,它的工作状态直接影响到整个飞机机载设备的运行状况和飞行安全,因此研究交流发电机的异常检测技术具有十分重要的意义。针对飞机交流发电机日常维护中传统的检测和分析方法的不足,本文提出将符号化时间序列分析方法应用于飞机交流发电机的异常检测中,引进表征符号总体特征的Shannon熵对交流发电机的健康状况进行评估。 In order to improve the faults of traditional detection and analysis method in daily maintenance of aircraft AC generator, the symbolic time series analysis is applied to the anomaly detection of aircraft AC generator and Shannon entropy is introduced to evaluate the health situations of AC generator.
作者 姚远
出处 《唐山职业技术学院学报》 2012年第4期63-66,共4页
关键词 飞机交流发电机 符号化时间序列分析 Shannon熵 异常检测 aircraft AC generator symbolic time series analysis Shannon entropy anomaly detection
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