Study on the Variable Weight Method for Gearbox Fuzzy State Evaluation

Huai Liang Zheng; Ri Xin Wang; Min Qiang Xu

doi:10.4028/www.scientific.net/AMM.651-653.885

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 651-653Study on the Variable Weight Method for Gearbox...

Study on the Variable Weight Method for Gearbox Fuzzy State Evaluation

Abstract:

Based on the gearbox as the research object, we discussed the problem: how to confirm every part’s weight when assess gearbox’s state by fuzzy comprehensive evaluation method. Contraposing the main problem of the weight-fixed Analytic Hierarchy Process (AHP) that ignoring every part’s fault degree in the process of evaluation, a variable weight method is proposed base on the rate of fault degree contribution. And to a state known gearbox, the weight of each part in the whole gearbox assessment is confirmed by the AHP and the variable weight method respectively. The comparison of the two assessment results shows that the result get by the variable weight method is more close to the gearbox’s real state, so this method is more accurate. What’s more this method is very simple, and can be used in real project.

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Periodical:

Applied Mechanics and Materials (Volumes 651-653)

Pages:

885-890

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.651-653.885

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Online since:

September 2014

Authors:

Huai Liang Zheng*, Ri Xin Wang, Min Qiang Xu

Keywords:

Fuzzy Comprehensive Evaluation, Gearbox, Variable Weight

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