Condition monitoring of helicopter drive shafts using quadratic-nonlinearity metric based on cross-bispectrum

Mohammed Hassan; Joshua Tarbutton; Abdel Bayoumi; Yong June Shin

doi:10.1109/TAES.2014.130389

Condition monitoring of helicopter drive shafts using quadratic-nonlinearity metric based on cross-bispectrum

Mohammed Hassan, Joshua Tarbutton, Abdel Bayoumi, Yong June Shin

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Based on cross-bispectrum, quadratic-nonlinearity coupling between two vibration signals is proposed and used to assess health conditions of rotating shafts in an AH-64D helicopter tail rotor drive train. Vibration data are gathered from two bearings supporting the shaft in an experimental helicopter drive train simulating different shaft conditions, namely, baseline, misalignment, imbalance, and combination of misalignment and imbalance. The proposed metric shows better capabilities in distinguishing different shaft settings than the conventional linear coupling based on cross-power spectrum.

Original language	English
Article number	6978880
Pages (from-to)	2819-2829
Number of pages	11
Journal	IEEE Transactions on Aerospace and Electronic Systems
Volume	50
Issue number	4
DOIs	https://doi.org/10.1109/TAES.2014.130389
Publication status	Published - 2014 Oct 1

Bibliographical note

Publisher Copyright:
© 2014 IEEE.

All Science Journal Classification (ASJC) codes

Aerospace Engineering
Electrical and Electronic Engineering

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10.1109/TAES.2014.130389

Cite this

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abstract = "Based on cross-bispectrum, quadratic-nonlinearity coupling between two vibration signals is proposed and used to assess health conditions of rotating shafts in an AH-64D helicopter tail rotor drive train. Vibration data are gathered from two bearings supporting the shaft in an experimental helicopter drive train simulating different shaft conditions, namely, baseline, misalignment, imbalance, and combination of misalignment and imbalance. The proposed metric shows better capabilities in distinguishing different shaft settings than the conventional linear coupling based on cross-power spectrum.",

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AB - Based on cross-bispectrum, quadratic-nonlinearity coupling between two vibration signals is proposed and used to assess health conditions of rotating shafts in an AH-64D helicopter tail rotor drive train. Vibration data are gathered from two bearings supporting the shaft in an experimental helicopter drive train simulating different shaft conditions, namely, baseline, misalignment, imbalance, and combination of misalignment and imbalance. The proposed metric shows better capabilities in distinguishing different shaft settings than the conventional linear coupling based on cross-power spectrum.

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Condition monitoring of helicopter drive shafts using quadratic-nonlinearity metric based on cross-bispectrum

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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