New Evaluation Method on Gear Dynamics Using Continuous and Discrete Wavelet Transforms

[+] Author and Article Information
Yuji Ohue

Department of Intelligent Mechanical Systems Engineering, Kagawa University, Hayashi, Takamatsu, 761-0396, Japane-mail: ohue@eng.kagawa-u.ac.jp

Akira Yoshida

Department of Mechanical Engineering, Okayaya University, Tsushima-naka, Okayama, 700-8530, Japane-mail: akira-y@mech.okayama-n.ac.jp

J. Vib. Acoust 125(3), 274-281 (Jun 18, 2003) (8 pages) doi:10.1115/1.1547465 History: Received May 01, 2002; Revised September 01, 2002; Online June 18, 2003
Copyright © 2003 by ASME
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Shapes and dimensions of gear pair
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Tooth profile errors of gear pair
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Power circulating gear testing machine and measurement system of dynamic performance of gear pair
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Scaling and wavelet functions based on cardinal B-spline In order of m=4
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Dynamic and static tooth stresses
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Relation between dynamic load ration and n2
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Tooth root strain, WT map and FFT at n2=1800 rpm
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Two main frequencies contained in tooth root strain
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Decomposed tooth root strain
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Reconstructed tooth root strains
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Conventional and new dynamic load ratios
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Example of decomposed vibration of gear box
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Root-mean-square of vibration acceleration above and below fz
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Root-mean-square of sound pressure above and below fz




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