1546. A hybrid prognostics approach to estimate the residual useful life of a planetary gearbox with a local defect

Zhe Cheng

Science and Technology on Integrated Logistics Support Laboratory,
National University of Defense Technology, Changsha, P. R. China

E-mail: chengzhe@nudt.edu.cn

(Received 9 June 2014; received in revised form 16 July 2014; accepted 7 September 2014)

Abstract. A hybrid prognostics approach for the monioring of a planetary gearbox with the local defect is presented. This hybrid method can predict the remaining useful life (RUL) of planetary gearbox with a fatigue crack. The method consists of a dynamical model for simulation data generation, a statistical algorithm for feature selection and weighting, and a modified grey model for RUL prediction. Experimental studies are conducted to validate and demonstrate the feasibility of the proposed method for RUL prediction of a cracked sun gear in planetary gearbox. And the validation has a promising result.

Keywords: planetary gearbox, defect, dynamical model, feature selection and weighing, residual useful life, prognosis.


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Cite this article

Cheng Zhe A hybrid prognostics approach to estimate the residual useful life of a planetary gearbox with a local defect. Journal of Vibroengineering, Vol. 17, Issue 2, 2015, p. 682‑694.


© JVE International Ltd. Journal of Vibroengineering. Mar 2015, Volume 17, Issue 2. ISSN 1392-8716