Abstract
A majority of the mishaps of rotary aircraft are caused by the faults in drive train which is composed of some complex rotary mechanical systems. Planetary gear sets are common mechanical components and are widely used to transmit power and change speed and/or direction in rotary aircrafts. Planetary gear sets are epicyclical gear drive that is more complex compared to ordinary gear train, so the features of planetary gear sets is quite different from traditional features and hard to extract. This research focuses on the physical-model-based approach to extract features for planetary gear set. Physical model will be established for planetary gear set with fault. Then, the features suitable for severity estimation is selected based on the simulation signals of physical models. After that, the tests with faults seeded are carried out, and the validation has a promising result.
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Acknowledgments
This research is supported by the National Natural Sciences Foundation of China (Grant Number 51205401) and Research Fund for the Doctoral Program of Higher Education of China (Grant Number 20124307120010). Valuable comments on the paper from anonymous reviewers are very much appreciated.
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Zhe, C., Niao-Qing, H., **n-Peng, Z. (2015). Feature Selection Approach Based on Physical Model of Transmission System in Rotary Aircraft for Fault Prognosis. In: Tse, P., Mathew, J., Wong, K., Lam, R., Ko, C. (eds) Engineering Asset Management - Systems, Professional Practices and Certification. Lecture Notes in Mechanical Engineering. Springer, Cham. https://doi.org/10.1007/978-3-319-09507-3_67
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DOI: https://doi.org/10.1007/978-3-319-09507-3_67
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