Int J Performability Eng ›› 2014, Vol. 10 ›› Issue (1): 105-114.doi: 10.23940/ijpe.14.1.p105.mag
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CHEN LIN and VILIAM MAKIS
Abstract:
Condition monitoring vibration data is widely used to assess the health condition of the gearbox. The objective of this paper is to develop a scheme for early fault detection of a gearbox under varying load condition by considering multi-sensor vibration data. Time synchronous averaging (TSA) method is used to reduce the noise and then remove the periodic signals from the data. Several vector auto-regressive (VAR) models are fitted to the historical data obtained in healthy gearbox condition considering different load levels. After testing the independence and multivariate normality of residual data, a multivariate Hotelling’s T-squared control chart is applied to detect the early fault occurrence of a gearbox.
CHEN LIN VILIAM MAKIS. Application of Vector Time Series Modeling and T-squared Control Chart to Detect Early Gearbox Deterioration [J]. Int J Performability Eng, 2014, 10(1): 105-114.
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URL: https://www.ijpe-online.com/EN/10.23940/ijpe.14.1.p105.mag
https://www.ijpe-online.com/EN/Y2014/V10/I1/105