Application of Cyclic Spectral Analysis to Gear Crack Assessment
With regards to the cyclostationarity of gear vibration,a novel indicator based on cyclic spectral analysis is proposed to assess localized gear damage. The cyclic spectral density of amplitude modulation and frequency modulation signals is deduced,and its properties in joint cyclic frequency-frequency domain are summarized. The ratio between the sum of cyclic spectral density magnitude along frequency axis at the cyclic frequencies of modulating frequency and 0 Hz indicates the amplitude modulation magnitude. In the analysis of gear crack simulation vibration signals,the ratio shows a monotonically increasing trend with the development of the gear crack level. It has potential to assess gearbox damage.
Gear Cyclostationary Cyclic spectrum
Zhipeng Feng Ming J.Zuo Rujiang Hao Fulei Chu
Iinstitute of Vehicular Engineering,University of Science and Technology Beijing,Beijing 100083,Chin Department of Mechanical Engineering,University of Alberta,Edmonton,AB T6G 2G8,Canada Department of Mechanical Engineering,Shijiazhuang Railway Institute,Shijiazhuang 050043,China Department of Precision Instruments,Tsinghua University,Beijing 100084,China
国际会议
北京
英文
1169-1173
2009-10-21（万方平台首次上网日期，不代表论文的发表时间）