Study and application of acoustic emission testing in fault diagnosis of low-speed heavy-duty gears.
Study and application of acoustic emission testing in fault diagnosis of low-speed heavy-duty gears.
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声发射测试在低速重载齿轮故障诊断中的研究与应用
DOI：
10.3390/s110100599
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发表时间：
2011
期刊：
影响因子：
--
通讯作者：
Liu L
中科院分区：
文献类型：
--
作者：
Gao L;Zai F;Su S;Wang H;Chen P;Liu L
目前对旋转机械声发射信号的研究大多是实验性的，现场应用较少。提出了一种基于插值细分原理的冗余第二代小波变换方法。这种方法在分解过程中不需要进行细分。由于近似信号和细节信号的长度与原始信号相同，因此数据量是原始信号的2倍，数据冗余特性也保证了该方法良好的分析效果。通过对现场低速重载齿轮故障声发射数据的分析，验证了冗余第二代小波变换在声发射信号处理和去噪中的有效性。分析表明，声发射检测技术可用于低速重载齿轮的现场故障诊断，是振动检测诊断的重要补充。
Most present studies on the acoustic emission signals of rotating machinery are experiment-oriented, while few of them involve on-spot applications. In this study, a method of redundant second generation wavelet transform based on the principle of interpolated subdivision was developed. With this method, subdivision was not needed during the decomposition. The lengths of approximation signals and detail signals were the same as those of original ones, so the data volume was twice that of original signals; besides, the data redundancy characteristic also guaranteed the excellent analysis effect of the method. The analysis of the acoustic emission data from the faults of on-spot low-speed heavy-duty gears validated the redundant second generation wavelet transform in the processing and denoising of acoustic emission signals. Furthermore, the analysis illustrated that the acoustic emission testing could be used in the fault diagnosis of on-spot low-speed heavy-duty gears and could be a significant supplement to vibration testing diagnosis.
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影响因子：
4.2
作者：
Jamaludin, N;Mba, D
通讯作者：
Mba, D
影响因子：
4.6
作者：
Li Zhen;He Zhengjia;Chen Xuefeng
通讯作者：
Chen Xuefeng
DOI：
10.1177/095440890121500401
发表时间：
2001-01-01
影响因子：
2.4
作者：
Jamaludin, N;Mba, D;Bannister, RH
通讯作者：
Bannister, RH
影响因子：
11.2
作者：
Bashir, I;Bannister, R;Probert, D
通讯作者：
Probert, D
影响因子：
4.2
作者：
Jamaludin, N;Mba, D
通讯作者：
Mba, D