| AR模型功率谱估计在金刚石研磨振动信号分析中的应用 |
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| 引用本文： | 高明宝,傅惠南,黄辉,张东灵.AR模型功率谱估计在金刚石研磨振动信号分析中的应用[J].工具技术,2010,44(12):14-16. |
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| 作者姓名： | 高明宝 傅惠南 黄辉 张东灵 |
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| 作者单位： | 广东工业大学 |
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| 基金项目： | 国家自然科学基金资助项目(50675037) |
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| 摘 要： | 在金刚石弹性浮动研磨过程中,研磨装置源自内部和外部的振动将导致金刚石与研磨盘产生多余的相对运动从而影响研磨质量。从加工过程采集的信号中识别出相关振动因素能够为改进研磨过程提供依据。本文针对有限采集数据,为有效识别振动信号,首先对采集的数据进行小波降噪处理,其次采用AR模型进行数据处理,通过功率谱估计提高识别精度,对研磨振动信号进行模型参数估计并识别出主要振动频率。
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| 关 键 词： | 振动 AR模型 功率谱估计 小波降噪 |
Application Study of AR Power Spectrum Estimation on Processing Vibration Signal of Diamond Grinding |
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| Gao Mingbao,Fu Huinan,Huang Hui,Zhang Dongling.Application Study of AR Power Spectrum Estimation on Processing Vibration Signal of Diamond Grinding[J].Tool Engineering(The Magazine for Cutting & Measuring Engineering),2010,44(12):14-16. |
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| Authors: | Gao Mingbao Fu Huinan Huang Hui Zhang Dongling |
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| Affiliation: | Gao Mingbao,Postgraduate,Faculty of Electromechanical Engineering,Guangdong University of Technology,Guangzhou 510006,China,Fu Huinan,Huang Hui,Zhang Dongling |
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| Abstract: | During the diamond flexibility floating grinding process,the quality of grinding diamond is influenced by the surplus relative movement between diamond and grinding plate,which is caused by the grinding system's abnormal vibration.Recognizing concerning vibration factors from the signal collected in working process can provide a basis for the improvement of lapping process.Aimed at identifying the vibration signal effectively,based on finite detecting data,first the wavelet denoised method was used in detec... |
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| Keywords: | vibration AR model power spectrum estimation wavelet denoising |
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