The Reliability Analysis of a Complex Electromechanical System from a Complex Network Perspective

Proceedings of the 2nd World Symposium on Software Engineering Pub Date : 2020-09-25 DOI:10.1145/3425329.3425383

Jinzhu Liu, Yan-hui Wang, Yucheng Hao

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Abstract

Due to the interdependent relationship and the serious impact of the failure propagation, assessing the reliability of a complex electromechanical system has been attracted a lot of attention. Due to this, we abstract a complex electromechanical system with the mechanical connection, the electrical connection and the information connection as an interdependent network composed of three kinds of networks. By carrying out the simulation on the urban rail transit train, attack strategies regarding the degree, the betweenness, and the random removal are compared. Additionally, we explore the effectiveness of attacking different networks. According to the simulation result, it is found that the failures of nodes in the mechanical network have a more serious impact on the reliability of the urban rail transit train. Moreover, less broken nodes in the electrical network and the information network do not significantly affect their corresponding networks. When the number of attacked nodes increases to a certain value, the reliability of electrical and information networks is reduced.

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基于复杂网络的复杂机电系统可靠性分析

由于复杂机电系统的相互依存关系和故障传播的严重影响，对复杂机电系统的可靠性评估受到了广泛的关注。因此，我们将具有机械连接、电气连接和信息连接的复杂机电系统抽象为由三种网络组成的相互依赖的网络。通过对城市轨道交通列车进行仿真，比较了攻击策略在程度、中间度和随机去除方面的优劣。此外，我们还探讨了攻击不同网络的有效性。仿真结果表明，机械网络中节点故障对城市轨道交通列车的可靠性影响较为严重。此外，电气网络和信息网络中较少的故障节点对其对应的网络没有显著影响。当被攻击节点数量增加到一定值时，会降低电气和信息网络的可靠性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Proceedings of the 2nd World Symposium on Software Engineering

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