| 大型直线振动筛裂纹信号的功率谱分析 |
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| 引用本文： | 燕碧娟. 大型直线振动筛裂纹信号的功率谱分析[J]. 矿山机械, 2010, 0(1) |
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| 作者姓名： | 燕碧娟 |
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| 作者单位： | 太原科技大学材料工程学院; |
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| 摘 要： | 以振动筛的下横梁作为损伤结构识别的研究目标,利用计算机软件MatLab对裂纹信号进行了分析。试验证明,用AR模型对裂纹信号进行功率谱估计,可准确提取裂纹的信号特征,以实现对裂纹损伤的自动识别。
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| 关 键 词： | 振动筛 裂纹特征 AR功率谱 |
Power spectrum analysis on crack signals of the large-scale line vibrating screen |
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| YAN Bijuan School of Material Science , Engineering,Taiyuan University of Science , Technology,Taiyuan ,Shanxi,China. Power spectrum analysis on crack signals of the large-scale line vibrating screen[J]. Mining & Processing Equipment, 2010, 0(1) |
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| Authors: | YAN Bijuan School of Material Science Engineering Taiyuan University of Science Technology Taiyuan Shanxi China |
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| Affiliation: | YAN Bijuan School of Material Science , Engineering,Taiyuan University of Science , Technology,Taiyuan 030024,Shanxi,China |
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| Abstract: | The lower crossbeam is regarded as a researched object,the crack signals are analyzed by MATLAB software.The test results display that AR power spectral estimation is a suitable method of signal processing to detect material crack damage,and the characteristics of crack can be abstracted form acquiring signal,so the crack damage can be identified automatically. |
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| Keywords: | vibration screen crack characteristics AR power spectral |
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