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- W4387039079 abstract "This paper introduces a novel approach to fault diagnosis in high-speed train braking systems through the integration of graph neural networks and causality analysis. Specifically, a fault diagnosis model is formulated based on a graph diffusion model. Cyclic causality is extracted from the data using Function Causality Inference (FCI), leading to the construction of a causality graph. Subsequently, the adjacency matrix is transformed into a diffusion transfer matrix using the graph diffusion model, enabling the aggregation of higher-order information. A graph classification model, employing Graph Attention Networks (GAT), is then established to evaluate the effectiveness of the proposed fault diagnosis model. Through comprehensive comparative analysis, the performance enhancement of the high-speed train fault classifier achieved by this approach is verified. The results underscore that our fault diagnosis model not only enhances the interpretability and reasoning capabilities of cyclic causality, but also adeptly captures the high-dimensional structural information inherent in the graph. This amalgamation leads to a more precise and pragmatic fault diagnosis model." @default.
- W4387039079 created "2023-09-27" @default.
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- W4387039079 date "2023-01-01" @default.
- W4387039079 modified "2023-09-27" @default.
- W4387039079 title "Fault diagnosis of high-speed train braking system based on graph diffusion convolution model" @default.
- W4387039079 doi "https://doi.org/10.1049/icp.2023.1679" @default.
- W4387039079 hasPublicationYear "2023" @default.
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