Fault Diagnosis Based on Wavelet Package for Hydraulic Pump

摘要：

De-noising and extraction of the weak signature are crucial to fault diagnostics in which case features are often very weak and masked by noise.The wavelet transform has been widely used in signal de-noising due to its extraordinary time frequency representation capability.In this paper,wavelet decomposition-based de-noising method is employed for fault feature extraction of hydraulic pump.The experiment result reveals that the wavelet decomposition dc-noising method can achieve satisfactory results on weak signal detection of hydraulic pump.

关键词： Wavelet analysis hydraulic pump fault diagnosis port plate partial wear slipper and sloping cam plate wear

作者: Wenkui Hou Chuan Lu Hongmei Liu Chen Lu

作者单位: Dept.of system engineering of engineering technology Beihang University Beijing 100191,China

会议类型: 国际会议

会议名称: 2009 8th International Conference on Reliability,Maintainability and Safety(第八届中国国际可靠性、维修性、安全性会议)

会议地点: 成都

会议语种:英文

页码: 831-835

在线出版日期: 2009-08-24（万方平台首次上网日期，不代表论文的发表时间）