A Signal Processing Technique for Detecting Local Defects in a Gear from the Signal Average of the Vibration-Reference-Cited by-同舟云学术

A Signal Processing Technique for Detecting Local Defects in a Gear from the Signal Average of the Vibration

Published:1985-10 Issue:4 Volume:199 Page:287-292
ISSN:0954-4062
Container-title:Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
language:en
Short-container-title:Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science

Author:

McFadden P D¹,Smith J D²

Affiliation:

1. Aeronautical Research Laboratories, Melbourne, Victoria, Australia

2. University Engineering Department, Cambridge

Abstract

An approximate digital signal processing technique is presented which can assist in the early detection of local defects such as fatigue cracks in gears by enhancing the changes which these defects produce in the signal average of the vibration of the gear. The technique is demonstrated by the identification of an early fatigue crack in a helicopter gear. The importance of phase modulation in the detection of defects is indicated.

Publisher

SAGE Publications

Subject

Mechanical Engineering

Link

http://journals.sagepub.com/doi/pdf/10.1243/PIME_PROC_1985_199_125_02

Reference3 articles.

1. A New Method of Modeling Gear Faults

2. Carlson A. B. Communication systems, 1975, pp. 181–183, 240–241 (McGraw-Hill, Maidenhead).

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