| 装载机采样频率的优化 |
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| 引用本文： | 于海红,韩志杰.装载机采样频率的优化[J].数字社区&智能家居,2009(8). |
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| 作者姓名： | 于海红 韩志杰 |
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| 作者单位： | 南京化工职业技术学院信息技术系;苏州大学计算机科学与技术学院; |
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| 基金项目： | 国家863高技术研究发展计划资助项目(2003AA430190) |
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| 摘 要： | 将计算机技术、数字信号处理技术和通信技术相结合,实现工程机械的远程故障诊断是当前机械设备智能化的重要发展方向。结合"装载机远程服务系统与智能化挖掘机"这一项目,该文提出了利用计算机进行采样频率优化的方法。对原始数据利用计算机通过信号抽取和三次样条插值进行信号重构,重构信号与原始信号分别进行时域上的图形比对和频域上主频比对,证明本文设计的优化方法可行。信号的采样频率的优化,降低了下位机采集和传输负载,提高了装载机远程故障诊断系统的效率。
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| 关 键 词： | 采样频率 信号重构 时频比对 信号主频 |
The Optimization of the Loading Machine's Sampling Frequency |
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| YU Hai-hong,HAN Zhi-jie.The Optimization of the Loading Machine's Sampling Frequency[J].Digital Community & Smart Home,2009(8). |
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| Authors: | YU Hai-hong HAN Zhi-jie |
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| Affiliation: | 1.Nanjing College of Chemical Technology;Nanjing 210048;China;2.School of Computer Science and Technology;Soochow Universi-ty;Suzhou 215006;China |
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| Abstract: | At present,it is an important developing direction that computer technology combining with digital signal processing technology and communication technology realizes the remote fault diagnosis of engineering machinery,The thesis that combines the entry named " The remote service system of the loader and intellectualized excavator" focuses on introduces how to optimize the sampling frequency using computer.By signal extraction and cubic spline interpolation,this thesis reconfigures signals using the computer... |
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| Keywords: | sampling frequency signal reconfiguration contrast on temporal and frequency domain main frequency of signal |
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