| 航空电缆故障在线检测与定位技术研究 |
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| 引用本文： | 陈卫,王莉.航空电缆故障在线检测与定位技术研究[J].飞机设计,2010,30(2):62-67. |
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| 作者姓名： | 陈卫 王莉 |
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| 作者单位： | 南京航空航天大学,自动化学院,江苏,南京,210016 |
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| 摘 要： | 在综述了电缆故障类型和现有电缆故障检测与定位方法的基础上,引入了两种电缆故障在线检测与定位新方法——序列时域反射法(STDR)和扩散频谱时域反射法(SSTDR),分析研究了两种方法的原理,选取了一种适用于两种方法的相关算法——改进的实序列频域相关算法,并在MATLAB中建立了仿真模型,对两种方法进行了仿真验证,并进行了比较,对实际的应用具有理论指导意义。
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| 关 键 词： | STDR SSTDR 在线检测 相关算法 MATLAB |
Low Voltage Network Cable Fault Detection and Location On-line Technology Research |
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| CHEN Wei,WANG Li.Low Voltage Network Cable Fault Detection and Location On-line Technology Research[J].Aircraft Design,2010,30(2):62-67. |
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| Authors: | CHEN Wei WANG Li |
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| Institution: | (College of Automation Engineering,Nanjing University of Aeronautics and Astronautics,Nanjing 210016,China) |
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| Abstract: | This article introduces two new cable fault detection and location on line methods-sequence time domain reflectometry method（STDR）and spread spectrum time domain reflectometry method（SSTDR）-based on an overview of the cable fault type and the existing methods of cable fault detection and location.And then analyzes the principles of these two approaches,selects a correlation algorithm applicable to both of these two methods so as to improve frequency-domain correlation algorithm for Real-valued sequences.At last,a simulation model in MATLAB is established.These two methods are simulated,validated,and compared.It＇s theoretical guidance for practical application. |
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| Keywords: | STDR SSTDR MATLAB |
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