The Application of Cumulants Slices in Fault Diagnosis

• 作者: Wenbing Wu
• 来源期刊: 现代非线性理论与应用(英文)
• 学科: 医学
• 关键词: THIRD-ORDER CUMULANT Slices FAULT Diagnosis SPECTRUM of Slices
• 年，卷（期）: xdfxxllyyyyw_2018,（3）
• 页码范围: 89-96
• 页数: 8页
• 分类号: R73

摘要

Complex third-order cumulant has different definition forms. Different forms have different coupling properties, and the generated complex cumulants slices contain different coupling information of signals. In experiments, using the different definitions, the same coupling method is applied to both specific fault signals and normal signals. Furthermore, complex third-order cumulant slices spectrum is defined, and it is used to analyse the coupling features of normal signals and fault signals. Experiments indicate that the detection accuracy rate on the same fault is not the same with the different coupling method, thus, it provides an alternative method to diagnose the specific fault.