Abnormal events processing of empirical mode decomposition and its application in rotor dynamic balancing - 文章详情页

作者：

Zhang, Shi-Hai (Zhang, Shi-Hai.) | Wu, Liang-Sheng (Wu, Liang-Sheng.) | Qu, Chong-Nian (Qu, Chong-Nian.)

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摘要：

The　Empirical　Mode　Decomposition　(EMD)　is　used　for　decomposing　nonstationary　and　nonlinear　signals　to　stationary　and　linear　ones,　and　Intrinsic　Mode　Functions　(IMFs)　can　be　gained,　they　contain　only　a　single　group　of　frequencies.　In　order　to　reduce　interference　of　abnormal　events　to　the　EMD　method,　the　correlation　analysis　was　used　to　eliminate　abnormal　events.　The　method　to　separate　rotor　imbalance　vibration　signals　accurately　was　put　forward　based　on　EMD　method　and　imbalance　vibration　theories,　it　could　be　used　to　monitor　imbalance　vibration　and　dynamic　balancing.　The　validity　of　the　proposed　method　was　verified　with　example　analysis.

关键词：

Signal processing Balancing machines Balancing Correlation methods Decomposition

作者机构：

[ 1 ] [Zhang, Shi-Hai]College of Mechanical Engineering and Applied Electronic Technology, Beijing University of Technology, Beijing 100022, China
[ 2 ] [Zhang, Shi-Hai]Tianjin Maritime Vocational Institute, Tianjin 300457, China
[ 3 ] [Wu, Liang-Sheng]College of Mechanical Engineering and Applied Electronic Technology, Beijing University of Technology, Beijing 100022, China
[ 4 ] [Qu, Chong-Nian]College of Mechanical Engineering and Applied Electronic Technology, Beijing University of Technology, Beijing 100022, China

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