The New Higher Order Spectral Techniques for Non-Linearity Monitoring of Structures and Machinery

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Abstract

The new higher order spectral techniques, the normalized cross-covariances of complex spectral components, are proposed for monitoring structure and machinery non-linearity and signal non-Gaussianity and estimating the harmonic phase coupling of signals from structures and machines. Normalization of the proposed techniques is also developed. It is shown by simulation that the proposed techniques provide effectiveness gain for detection of non-linearity in comparison with the HOS.

Original languageEnglish
Title of host publication12th International Conference of the Slovenian Society for Non-Destructive Testing
Subtitle of host publicationApplication of Contemporary Non-Destructive Testing in Engineering, ICNDT 2013 - Conference Proceedings
EditorsTomaz Kek, Janez Grum
Publisher The Slovenian Society for Non-Destructive Testing
Pages525-529
Number of pages5
ISBN (Print)9789619353707
Publication statusPublished - 2013
Externally publishedYes
Event12th International Conference of the Slovenian Society for Non-Destructive Testing 2013: Application of Contemporary Non-Destructive Testing in Engineering - Portoroz, Slovenia
Duration: 4 Sep 20136 Sep 2013
Conference number: 12

Conference

Conference12th International Conference of the Slovenian Society for Non-Destructive Testing 2013
Abbreviated titleICNDT 2013
CountrySlovenia
CityPortoroz
Period4/09/136/09/13

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Gelman, L. (2013). The New Higher Order Spectral Techniques for Non-Linearity Monitoring of Structures and Machinery. In T. Kek, & J. Grum (Eds.), 12th International Conference of the Slovenian Society for Non-Destructive Testing: Application of Contemporary Non-Destructive Testing in Engineering, ICNDT 2013 - Conference Proceedings (pp. 525-529). The Slovenian Society for Non-Destructive Testing.