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|Title:||Application of neural networks in forecasting engine systems reliability||Authors:||Xu, K.
Time series forecasting
|Issue Date:||2003||Citation:||Xu, K.,Xie, M.,Tang, L.C.,Ho, S.L. (2003). Application of neural networks in forecasting engine systems reliability. Applied Soft Computing Journal 2 (4) : 255-268. ScholarBank@NUS Repository. https://doi.org/10.1016/S1568-4946(02)00059-5||Abstract:||This paper presents a comparative study of the predictive performances of neural network time series models for forecasting failures and reliability in engine systems. Traditionally, failure data analysis requires specifications of parametric failure distributions and justifications of certain assumptions, which are at times difficult to validate. On the other hand, the time series modeling technique using neural networks provides a promising alternative. Neural network modeling via feed-forward multilayer perceptron (MLP) suffers from local minima problems and long computation time. The radial basis function (RBF) neural network architecture is found to be a viable alternative due to its shorter training time. Illustrative examples using reliability testing and field data showed that the proposed model results in comparable or better predictive performance than traditional MLP model and the linear benchmark based on Box-Jenkins autoregressive-integrated-moving average (ARIMA) models. The effects of input window size and hidden layer nodes are further investigated. Appropriate design topologies can be determined via sensitivity analysis. © 2002 Elsevier Science B.V. All rights reserved.||Source Title:||Applied Soft Computing Journal||URI:||http://scholarbank.nus.edu.sg/handle/10635/63029||ISSN:||15684946||DOI:||10.1016/S1568-4946(02)00059-5|
|Appears in Collections:||Staff Publications|
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