| 样条小波在液压泵故障诊断中的应用研究 |
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| 引用本文： | 荆双喜,张英琦,方佳雨,孟惠荣.样条小波在液压泵故障诊断中的应用研究[J].煤炭学报,2000,25(1):95-99. |
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| 作者姓名： | 荆双喜 张英琦 方佳雨 孟惠荣 |
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| 作者单位： | 1. 焦作工学院,机械工程系,河南,焦作,454000
2. 中国矿业大学北京校区,北京,100083 |
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| 基金项目： | 煤炭科学基金!资助项目 (95机 1 0 81 0 ) |
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| 摘 要： | 采用具有线性相位的Ｂ样条小波，应用图形显示算法并结合小波变换快速算法将信号分解到不同的频带上，且分解结果和原信号长度保持一致，可对信号进行深层次的处理，克服了传统的信号处理方法不易提取微弱信息的不足，通过对矿用斜轴式柱塞泵振动信号的分析，分离出了配流副磨损，球铰松动，缺体及泵轴支撑轴承的故障特征，为液压泵的故障诊断提供了依据，并为信噪分离，微弱信号提取及设备的早期故障诊断提供了一条有效途径。
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| 关 键 词： | 样条小波 图形显示算法 故障诊断 液压泵 柱塞泵 |
| 文章编号： | 0253-9993(2000)01-0095-05 |
| 修稿时间： | 1999-05-15 |
Fault diagnosis of a bend axial piston pump with B-spline wavelet |
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| JING Shuang-xi,ZHANG Ying-qi,FANG Jia-yu,MENG Hui-rong.Fault diagnosis of a bend axial piston pump with B-spline wavelet[J].Journal of China Coal Society,2000,25(1):95-99. |
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| Authors: | JING Shuang-xi ZHANG Ying-qi FANG Jia-yu MENG Hui-rong |
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| Affiliation: | JING Shuang-xi,ZHANG Ying-qi;
(Jiaozuo Institute of Technology, Jiaozuo |
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| Abstract: | In order to process signal in depth and to extract the fault feature from original signal in machinery diagnosis,the graphical display algorithm that can keep the data length of wavelet transform results the same as that of original signal is used.The fault diagnosis of a bend axial piston pump via B spline wavelet that has linear phase is provided.The results of study demonstrate that the new method has excellent feature and the weak fault signal can be extracted from the strong vibration background of the pump. |
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| Keywords: | B-spline wavelet graphical display algorithm bend axial piston pump fault diagnosis |
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