Fourier Series Analysis of Epicyclic Gearbox Vibration-Reference-Cited by-同舟云学术

Fourier Series Analysis of Epicyclic Gearbox Vibration

Published:2001-06-01 Issue:1 Volume:124 Page:150-153
ISSN:1048-9002
Container-title:Journal of Vibration and Acoustics
language:en
Short-container-title:

Author:

McNames James¹

Affiliation:

1. Department of Electrical & Computer Engineering, Portland State University, Post Office Box 751, Portland, OR 97207-0751

Abstract

Synchronous averaging is difficult to use with epicyclic gear systems because the dominant frequencies are slightly skewed and asymmetrical. This Tech Brief uses Fourier series analysis to add new insight to this phenomenon. The results are illustrated on vibration data recorded from a Cobra AH-1S helicopter gearbox.

Publisher

ASME International

Subject

General Engineering

Link

http://asmedigitalcollection.asme.org/vibrationacoustics/article-pdf/124/1/150/5826214/150_1.pdf

Reference3 articles.

1. Dousis, Dimitri A., 1992, “A Vibration Monitoring Acquisition and Diagnostic System for Helicopter Drive Train Bench Tests,” 48th Annual Forum Proceedings of the American Helicopter Society, Vol. 1, pp. 355–369.

2. Ma, J., and Li, C. J., 1996, “Gear Defect Detection Through Model-Based Wideband Demodulation of Vibrations,” Mech. Syst. Signal Process., 10, No. 5, pp. 653–665.

3. McFadden, P. D., and Smith, J. D., 1985, “An Explanation for the Asymmetry of the Modulation Sidebands About the Tooth Meshing Frequency in Epicyclic Gear Vibration,” Proc. Inst. Mech. Eng., Part C: Mech. Eng. Sci., 199, No. 1, pp. 65–70.

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