System-level performance prognosis based on data augmentation for air brake systems of in-service trains
Jingxian Ding,
Jianyong Zuo
Abstract:In order to prognose the performance for air brake systems of in-service trains, a data augmentation method based on correlation analysis and improved multivariate support vector regression was proposed in this paper. By using black box theory and correlation analysis, brake cylinder pressure was extracted as the performance identification signal of air brake system, and the input and output signals were used as the auxiliary signals to construct the black box model of air brake system. Meanwhile, in order to … Show more
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