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The Application of Cumulants Slices in Fault Diagnosis

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DOI: 10.4236/ijmnta.2018.73007    158 Downloads   238 Views
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ABSTRACT

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.

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Wu, W. (2018) The Application of Cumulants Slices in Fault Diagnosis. International Journal of Modern Nonlinear Theory and Application, 7, 89-96. doi: 10.4236/ijmnta.2018.73007.

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