网站蓝色,片多多免费观看高清影视,上海公司买新能源车需要什么条件,泰安聊城网站建设为了精准、稳定地提取滚动轴承故障特征#xff0c;提出了基于变分模态分解和奇异值分解的特征提取方法#xff0c;采用标准模糊C均值聚类(fuzzy C means clustering, FCM)进行故障识 别。对同一负荷下的已知故障信号进行变分模态分解#xff0c;利用 奇异值分解技术进一步提…为了精准、稳定地提取滚动轴承故障特征提出了基于变分模态分解和奇异值分解的特征提取方法采用标准模糊C均值聚类(fuzzy C means clustering, FCM)进行故障识 别。对同一负荷下的已知故障信号进行变分模态分解利用 奇异值分解技术进一步提取各模态特征通过FCM形成标准聚类中心采用海明贴近度对测试样本进行分类并通过计算分类系数和“卜均模糊嫡对分类性能进行评价将该方法 应用于滚动轴承变负荷故障诊断。通过与基于经验模态分解的特征提取方法对比该方法对标准FCM初始化条件小敏感在同负荷故障诊断中表现出更好的分类性能 变负荷故障诊断时除外圈故障特征线发生明显迁移其他测试样本故障特征线仍在原聚类中心附近整体故障识别率保持在100 因此该方法能精确、稳定提取故障特征为实际滚动轴承智能故障诊断提供参考。
文件列表
cluster_VMDFCM_casedat/EMI.m , 1218
cluster_VMDFCM_casedat/FCMClus2t.m , 5063
cluster_VMDFCM_casedat/KFCMClust.m , 6369
cluster_VMDFCM_casedat/MI.m , 791
cluster_VMDFCM_casedat/Main.fig , 15202
cluster_VMDFCM_casedat/Main.m , 29990
cluster_VMDFCM_casedat/VMD.m , 4645
cluster_VMDFCM_casedat/VMD_sin_center_f.m , 2427
cluster_VMDFCM_casedat/VMD_singular.m , 2350
cluster_VMDFCM_casedat/VMD_test.m , 3294
cluster_VMDFCM_casedat/VMD_test_original.m , 3292
cluster_VMDFCM_casedat/VMD_winddata.m , 2606
cluster_VMDFCM_casedat/cluster_SAME_con_VMD_casedata.asv , 6137
cluster_VMDFCM_casedat/cluster_SAME_con_VMD_casedata.m , 6137
cluster_VMDFCM_casedat/cluster_var1_con_VMD_casedata.asv , 6115
cluster_VMDFCM_casedat/cluster_var1_con_VMD_casedata.m , 6596
cluster_VMDFCM_casedat/cluster_var2_con_VMD_casedata.asv , 6090
cluster_VMDFCM_casedat/cluster_var2_con_VMD_casedata.m , 6598
cluster_VMDFCM_casedat/cluster_var3_con_VMD_casedata.asv , 6603
cluster_VMDFCM_casedat/cluster_var3_con_VMD_casedata.m , 6603
cluster_VMDFCM_casedat/distfcm.m , 734
cluster_VMDFCM_casedat/emd_vmd_con.asv , 7368
cluster_VMDFCM_casedat/emd_vmd_con.m , 7579
cluster_VMDFCM_casedat/fuzzydist.m , 88
cluster_VMDFCM_casedat/hua_baoluo.m , 1689
cluster_VMDFCM_casedat/hua_fft1.asv , 418
cluster_VMDFCM_casedat/hua_fft1.m , 713
cluster_VMDFCM_casedat/hua_xihua.m , 1126
cluster_VMDFCM_casedat/imssdata.mat , 185480
cluster_VMDFCM_casedat/initfcm.m , 283
cluster_VMDFCM_casedat/labview_data.m , 2700
cluster_VMDFCM_casedat/matlab.dat , 151572
cluster_VMDFCM_casedat/matlab1.dat , 151572
cluster_VMDFCM_casedat/muting.m , 2250
cluster_VMDFCM_casedat/plot_imf.m , 938
cluster_VMDFCM_casedat/stepfcm11.m , 1257
cluster_VMDFCM_casedat/stepfcm_hxm.m , 1766
cluster_VMDFCM_casedat/test.m , 3321
cluster_VMDFCM_casedat/test2.m , 4822
