基于GO-FLOW法的高速铁路接触网系统可靠性分析

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摘要针对高速铁路接触网系统的结构和运行特点,本文提出将一种新型可靠性评估方法——GO-FLOW法应用到高速铁路接触网系统可靠性分析中,根据高速铁路接触网系统的结构框图,建立高速铁路接触网系统的GO图与GO-FLOW图,并计算接触网系统的可靠度,对比分析考虑部件失效率与不考虑部件失效率两种情况的计算结果.研究结果表明:在对该类运行环境下的系统进行可靠性定量分析时,与GO法相比,GO-FLOW算法模型考虑了接触网部件随时间的失效率,其计算结果更接近于接触网系统实际运行情况,并且计算更为简捷,有效,是分析多时序,多状态动态系统可靠性的一种有效方法.

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	赵峰
	梁丽
	王思华

关键词 ：高速铁路, 接触网, GO-FLOW法, 可靠度计算, 可靠性评估

Abstract：According to the structure and operation characteristics of the overhead contact systems(OCS) of high speed railway, a new system reliability analysis method called the GO-FLOW (goal oriented-FLOW) methodology is applied in the reliability assessment of OCS of high speed railway. According to the structure of OCS, the GO-FLOW model of reliability of the OCS in high speed railway is built, and the reliability of OCS is calculated by analyzing the reliability model, effects of considering failure rate of parts on reliability were observed. Analysis result indicates that calculation results based on the GO-FLOW methodology are more close to the actual situation than GO (goal oriented) methodology. Because it takes into account the failure rate of components in the analysis of the reliability of the operating system. And the calculation of GO-FLOW methodology is more simple and effective. So it is an effective method of analyzing the reliability of temporal and state dynamic system.

Key words： High speed railway OCS GO-FLOW methodology reliability calculation reliability assessment

收稿日期: 2014-05-23 出版日期: 2015-09-14

PACS:	X913.4
	U225

基金资助:中国铁路总公司科技研究开发计划课题(2013j010-E)

作者简介: 赵峰男,1966年生,教授,研究方向为铁道电气化与自动化,电能质量分析及控制,高速铁路牵引供电系统可靠性与安全性.梁丽女,1988年生,硕士研究生,研究方向为高速铁路牵引供电系统可靠性与安全性.

引用本文:

赵峰,梁丽,王思华. 基于GO-FLOW法的高速铁路接触网系统可靠性分析[J]. 电工技术学报, 2015, 30(12): 351-356. Zhao Feng,Liang Li,Wang Sihua. A Reliability Evaluation of High Speed Railway Overhead Contact Systems Based on the GO-FLOW Methodology. Transactions of China Electrotechnical Society, 2015, 30(12): 351-356.

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https://dgjsxb.ces-transaction.com/CN/Y2015/V30/I12/351

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