A new construction method of system reliability was proposed in this paper based on network and relevant failure. Taking the\ncomponent units as the nodes and the interaction relationships between the nodes as the side lines, a new directional network\nreliability model with certain network topology characteristics was constructed. It can indicate the complex topology relationship,\ninteraction mechanism, and the trans mission mechanism of failure affect between mechanical integration and electrical integration\nof system components. Compared with the traditional research methods, the relevant failure was considered during this process.\nThrough the application of the fault data in the bogie system of high-speed train, it was shown that a new network reliability model\nwhich considered the relevant failure can be constructed by the method proposed in this paper and the result can be more accurate,\nespecially for the complex mechanical and electrical integration systems.
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