Pitting damage levels estimation for planetary gear sets based on model simulation and grey relational analysis

Zhe Cheng, Niaoqing Hu, Fengshou Gu, Guojun Qin

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

The planetary gearbox is a critical mechanism in helicopter transmission systems. Tooth failures in planetary gear sets will cause great risk to helicopter operations. A gear pitting damage level estimation methodology has been devised in this paper by integrating a physical model for simulation signal generation, a three-step statistic algorithm for feature selection and damage level estimation for grey relational analysis. The proposed method was calibrated firstly with fault seeded test data and then validated with the data of other tests from a planetary gear set. The estimation results of test data coincide with the actual test records, showing the effectiveness and accuracy of the method in providing a novel way to model based methods and feature selection and weighting methods for more accurate health monitoring and condition prediction.

Original languageEnglish
Pages (from-to)403-417
Number of pages15
JournalTransactions of the Canadian Society for Mechanical Engineering
Volume35
Issue number3
Publication statusPublished - 1 Dec 2011

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Pitting
Gears
Feature extraction
Vehicle transmissions
Gear teeth
Helicopters
Health
Statistics
Monitoring

Cite this

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abstract = "The planetary gearbox is a critical mechanism in helicopter transmission systems. Tooth failures in planetary gear sets will cause great risk to helicopter operations. A gear pitting damage level estimation methodology has been devised in this paper by integrating a physical model for simulation signal generation, a three-step statistic algorithm for feature selection and damage level estimation for grey relational analysis. The proposed method was calibrated firstly with fault seeded test data and then validated with the data of other tests from a planetary gear set. The estimation results of test data coincide with the actual test records, showing the effectiveness and accuracy of the method in providing a novel way to model based methods and feature selection and weighting methods for more accurate health monitoring and condition prediction.",
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Pitting damage levels estimation for planetary gear sets based on model simulation and grey relational analysis. / Cheng, Zhe; Hu, Niaoqing; Gu, Fengshou; Qin, Guojun.

In: Transactions of the Canadian Society for Mechanical Engineering, Vol. 35, No. 3, 01.12.2011, p. 403-417.

Research output: Contribution to journalArticle

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