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作者:

Cui Lingli (Cui Lingli.) (学者:崔玲丽) | Gao Lixin (Gao Lixin.) | Zhang Jianyu (Zhang Jianyu.) | Ding Fang (Ding Fang.)

收录:

CPCI-S

摘要:

The early impulse fault diagnosis of the gearbox in rolling mills is often difficult and labour intensive because the gearbox of that high speed machine is multi-shafting transmission system, in which many gearsets and rolling bears work together at the same time and there are much complex frequency structure and various disturb. A new time-frequency method based on the wavelet packets technique was developed and used to extract the impact feature from signals collected from faulty data of one rolling mills gearbox. The method improves the signal to noise ration so that results obtained using this method represents features with fine resolution in both low-frequency and the high frequency bands. The results of analysis indicate the validity and the practicability of the method proposed here.

关键词:

fault diagnosis feature extraction gearbox rolling mills wavelet packets

作者机构:

  • [ 1 ] Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing, Peoples R China

通讯作者信息:

  • 崔玲丽

    [Cui Lingli]Beijing Univ Technol, Coll Mech Engn & Appl Elect Technol, Beijing, Peoples R China

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来源 :

1st International Symposium on Digital Manufacture, Vols 1-3

年份: 2006

页码: 1042-1045

语种: 英文

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