Indexed by:
Abstract:
本发明公开了一种基于自适应MCKD的轴承外圈早期故障诊断方法,该方法为一种针对轴承外圈早期故障的诊断方法。本发明针对MCKD降噪效果受滤波器阶数L及位移顺序M影响的问题,研究了轴承的故障机理,提出了一种基于自适应MCKD的轴承外圈早期故障诊断方法。在不同M值情况下,分别计算Teager谱峭度均值,选取最优位移顺序M,再以Teager谱峭度为目标函数,利用迭代算法搜寻最优滤波器阶数L,通过包络谱提取微弱故障特征。对比最小熵解卷积(MED)算法,本方法显示了更高的准确度,证明了本方法对轴承外圈早期故障诊断的准确性。
Keyword:
Reprint Author's Address:
Email:
Patent Info :
Type: 发明申请
Patent No.: CN201810956206.X
Filing Date: 2018-08-21
Publication Date: 2018-12-21
Pub. No.: CN109063672A
Applicants: 北京工业大学
Legal Status: 驳回
Cited Count:
WoS CC Cited Count: 0
SCOPUS Cited Count:
ESI Highly Cited Papers on the List: 0 Unfold All
WanFang Cited Count:
Chinese Cited Count:
30 Days PV: 7
Affiliated Colleges: