Fault Diagnosis of the Foundation Brake Rigging System Based on Fault Tree and Bayesian Network

Abstract:

Based on the analysis of the advantages and limits of the traditional fault tree and Bayesian network in fault diagnosis, the method that building the fault Bayesian network based on fault tree is proposed in this paper. The paper introduces the correspondences between elements of the fault tree and the fault Bayesian network, also describes the inference process of the junction tree algorithm in the fault Bayesian network. Then with the foundation brake rigging system of CRH380AL EMU as an example, we build up the fault tree, complete its transmission to the fault Bayesian network, proving the superiority of the fault Bayesian tree in fault analysis of the complex system at last.

• Periodical: Key Engineering Materials (Volume 693)
• Pages: 1734-1740
• DOI: https://doi.org/10.4028/www.scientific.net/KEM.693.1734
• Online since: May 2016
• Authors: Dan Wang*, Ying Tian, Wang Tai Yong, Shi Feng Ye, Qiong Liu
• Keywords: Bayesian Network, Electric Multiple Units, Fault Diagnosis, Fault Tree, Junction Tree

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